Ethylene Ligand Structures of Os(CO)4(C2H4) and Os2(CO)8(C2H4) Determined by 1H NMR in Liquid Crystal Solvents

Inorganic Chemistry

Volumn 37, Issue 8, 1998, Pages 1720-1728

  Bender, Brace R ^a,c   Hembre, Robert T ^a,d   Norton, Jack R ^a,e   Burnell, E Elliott ^b  

^a Department of Environmental and Radiological Health Sciences   (United States)

^b UNIVERSITY OF BRITISH COLUMBIA   (Canada)

^c SCRIPPS RESEARCH INSTITUTE   (United States)

^d EASTMAN CHEMICAL COMPANY   (United States)

^e Och Spine at New York Presbyterian Hospitals   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000511453     PISSN: 00201669     EISSN: None     Source Type: Journal    
DOI: 10.1021/ic971637v     Document Type: Article

References (74)

1. (a) Hembre, R. T.; Scott, C. P.; Norton, J. R. J. Am. Chem. Soc. 1987, 109, 3468.
2. (b) Hembre, R. T.; Ramage, D. L.; Scott, C. P.; Norton, J. R. Organometallics, 1994, 13, 2995.
3. Sheppard, N. Annu. Rev. Phys. Chem. 1988, 39, 589.
4. Anson, C. H.; Johnson, B. F. G.; Lewis, J.; Powell, D. B.; Sheppard, N.; Bhattacharyya, A. K.; Bender, B. R.; Bullock, R. M.; Hembre, R. T.; Norton, J. R. J. Chem. Soc., Chem. Commun. 1989, 703.
5. Anson, C. E.; Sheppard, N.; Powell, D. B.; Bender, B. R.; Norton, J. R. J. Chem. Soc., Faraday Trans. 1994, 90, 1449.
6. Motyl, K. M.; Norton, J. R.; Schauer, C. K.; Anderson, O. P. J. Am. Chem. Soc. 1982, 104, 7325.
7. Anderson. O. P.; Bender, B. R.; Norton, J. R.; Larson, A. P.; Vergamini, P. J. Organometallics 1991, 10, 3145.
8. Bender, B. R.; Norton, J. R.; Miller, M. M.; Anderson, O. P.; Rappé, A. K. Organometallics 1992, 11, 3427.
9. (a) Diehl, P.; Jukisaari, J. In Methods in Sterechemical Analysis; Takeuchi, Y., Marchand, A. P., Eds.; VCH: Deerfield Beach, FL, 1986; Vol. 6, Chapter 2.
10. (b) Diehl, P. In Nuclear Magnetic Resonance of Liquid Crystals; Emsley, J. W., Ed.; D. Reidel: Dordrecht, 1985; Chapter 7, pp 147-180.
11. (c) Emsley, J. W.; Lindon, J. C. NMR Spectroscopy Using Liquid Crystal Solvents; Pergamon: Oxford, 1975.
12. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
13. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
14. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
15. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
16. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
17. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
18. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
19. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
20. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
21. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
22. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
23. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
24. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
25. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
26. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
27. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
28. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
29. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
30. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
31. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
32. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
33. Previous applications of liquid crystal NMR to organometallic complexes include the following: (a) Yannoni, C. S.; Caeser, G. P.; Dailey, B. P. J. Am. Chem. Soc. 1967, 89, 2833. (b) McIvor, M. C. J. Organomet. Chem. 1971, 27, C59. (c) Khetrapal, C. L.; Kunwar, A. C.; Kanekar, C. R.; Diehl, P. Mol. Cryst. Liq. Cryst. 1971, 12, 179. (d) Kehetrapal, C. L.; Saupe, A.; Kunwar, A. C.; Kanekar, C. R. Mol. Phys. 1971, 22, 1119. (e) Buckingham, A. D.; Yesinowski, J. P.; Canty, A. J.; Rest, A. J. J. Am. Chem. Soc. 1973, 95, 2732. (f) Bailey, D.; Buckingham, A. D.; McIvor, M. C.; Rest, A. J. J. Organomet. Chem. 1973, 61, 311. (g) Bailey, D.; Buckingham, A. D.; Rest, A. J. Mol. Phys. 1973, 26, 233. (h) Emsley, J. W.; Lindon, J. C. Mol. Phys. 1974, 28, 1373. (i) Cole, K. C.; Gilson, D. F. R. J. Chem. Phys. 1974, 60. 1191. (j) McMillin, D. R.; Drugo, R. S. Inorg. Chem. 1974, 13, 546. (k) Diehl, P.; Kunwar, A. C.; Zimmermann, H. J. Organomet. Chem. 1977, 135, 205. (l) Emsley, J. W.; Evans, J. J. Chem. Soc., Dalton Trans. 1978, 1355. (m) Jokisaari, J.; Raisanen, K.; Kuonunoja, J.; Pyykko, P.; Lajunen, L. Mol. Phys. 1980, 39, 715. (n) Aydin, R.; Guenther, H.; Runsink, J.; Schmickler, H.; Seel, H. Org. Magn. Reson. 1980, 13, 210. (o) Jokisaari, J.; Diehl, P. Org. Magn. Reson. 1980, 13, 359. (p) Diehl, P.; Moia, F.; Boesiaer, H.; Wirz, J. J. Mol. Struct. 1983, 98, 297. (q) Gilson, D. F. R.; Fitzpatrick, P. R.; Butler, I. S. Organometallics 1984, 3, 387. (r) Arumugam, S.; Kunwar, A. C.; Khetrapal, C. L. J. Organomet. Chem. 1984, 265, 73. (s) Gilson, D. F. R. J. Mol. Struct. 1985, 127, 121. (t) Fujiwara, H.; Sasaki, Y. J. Phys. Chew. 1987, 91, 481. (u) Reference 1a. (v) Caldarelli, S.; Catalano, D.; Di Bari, L.; Pasquali, M.; Veracini, C.; Leoni, P. Gazz. Chim. Ital. 1990, 120, 211.
34. 2 see ref 1b.
35. A computer program known as Parameter Adjustment in NMR by Iteration Calculation (PANIC) was used for simulation of spectra and refinement of parameters on an Aspect 2000 computer.
36. 2 (ref 7).
37. (a) Saupe, A.; Englert, G. Phys. Rev. Lett. 1963, 11, 462.
38. (b) Saupe, A.; Englert, G. Z. Naturforsch. 1964, 19a, 172.
39. 3, ref 8a, p 59.
40. (a) Drago, R. S. Physical Methods for Chemists, 2nd ed.; Saunders: Fort Worth, 1992; pp 342-347.
41. (b) Ebsworth, E. A. V.; Rankin, D. W. H.; Cradock, S. Structural Methods in Inorganic Chemistry; Blackwell Scientific Publications: Oxford, 1987; pp 78-81.
42. Diehl, P.; Henrichs, P. M.; Niederberger, W. Mol. Phys. 1971, 20, 139.
43. Dennis, J. E.;Gay, D. M.; Welsch, R. E. An Adaptive Nonlinear Least-Squares Algorithm, ACM Trans. Math. Software 1981, 7.
44. Anson, C. E.; Grinter, R.; Sheppard, N. Manuscript in preparation.
45. Ittel, S. D.; Ibers, J. A. Adv. Organomet. Chem. 1976, 14, 33.
46. Stalick, J. K.; Ibers, J. A. J. Am. Chem. Soc. 1970, 92, 5333.
47. Sykora, S.; Vogt, J.; Boesiger, H.; Diehl, P. J. Magn. Reson. 1979, 36, 53.
48. Niederberger, W.; Diehl, P. Mol. Phys. 1973, 26, 571.
49. Bender, B. R.; Bertoncello, R.; Burke, M. R.; Casarin, M.; Granozzi, G.; Norton, J. R.; Takats, J. Organometallics 1989, 8, 1777.
50. Rappé, A. K.; Castonguay, L. A. Pure Appl. Chem. 1991, 63, 867.
51. (a) Diehl, P.; Henrichs. P. M: Niederberger, W. Org. Magn. Reson. 1971, 3, 243.
52. (h) Burnell, E. E.; De Lange, C. A. J. Magn, Reson. 1980, 39, 461,
53. (c) Emsley, J. W.; Luckhurst, G. R. Mol. Phys. 1980, 41, 19.
54. (d) Burnell, H. E.; de Lange, C. A. Chem. Phys. Lett. 1980, 76, 268.
55. (e) Burnell, H. E.; de Lange, C. A.; Mouritsen, O. G. J. Magn. Reson. 1982, 50 188.
56. (f) Palke, W. E.; Catalano, D.; Celebre, G.; Emsley, J. W. J. Chem. Phys. 1996. 105, 7026.
57. (g) Catalano, D.; Emsley, J. W.; Lapenna, G.; Veracini, C. A. J. Chem. Phys. 1996, 105, 10595,
58. (h) Chandrakumar, T.; Burnell, E. E. Mol. Phys. 1997, 90, 303,
59. (i) Rendell, J. C. T.; Burnell, E. E. Mol. Phys. 1997, 90, 541.
60. Wong, T. C; Burnell, E. E. J. Magn. Reson. 1976, 22, 227.
61. Love, R. A.; Koetzle, T. F.; Williams, G. J. B.; Andrews, L. C.; Bau, R. Inorg. Chem. 1975, 14, 2653.
62. Cohen, S. A.; Auburn. P. R.; Bercaw, J. E. J. Am. Chem. Soc. 1983. 105, 1136. Gund, A.; Keppler, B. K.; Nuber, B. Inorg. Chem. 1995. 34, 2788.
63. Cohen, S. A.; Auburn. P. R.; Bercaw, J. E. J. Am. Chem. Soc. 1983. 105, 1136. Gund, A.; Keppler, B. K.; Nuber, B. Inorg. Chem. 1995. 34, 2788.
64. Schultz, A. J.; Brown, R. K.; Williams, J. M.; Schrock, R. R. J. Am. Chem. Soc. 1981, 103, 169.
65. Alt, H. G.; Denner, C. E.; Thesvalt, U.; Rausch, M. D,. J. Organomet. Chem. 1988, 356, C83.
66. Binger, P.; Müller, P.; Benn, R.; Rufinska, A.; Gabor, B.; Krüger, C.; Betz, P. Chem. Ber. 1989, 122, 1035.
67. Tolman, C. A.; English, A. D.; Manzer, L. E. Inorg. Chem. 1975, 14, 2353.
68. Li. J.; Schreckenbach, G.; Ziegler, T. Inorg. Chem. 1995, 34, 3245.
69. Kuchitsu. K. J. Chem. Phys. 1966, 44, 906.
70. Howard, J. A. K.; Spencer, J. L.; Mason, S. A. Proc. R. Soc. London, Ser. A 1983. 386, 145.
71. Gervasio, G.; Mason, S. A.; Maresca, L.; Natile, G. Inorg Chem. 1986, 25, 2207.
72. Alvarex, R.; Curmona, E.; Galindo, A.; Gutlérrez, E.; Marin, J.; Monge, A.; Poveda, M. L.; Ruiz, C.; Savariault, J. M. Organometallics 1989, 8, 2430.
73. Okiye, K.; Hirose, C.; Lister, D. G.; Sheridan, J. Chem. Phys. Lett. 1974, 24, 111.
74. Yamamoto, S.; Nakuta, M,: Fukuyama, T.; Kuchitsu, K. J. Phys. Chem. 1985, 89, 3298.