Molecular Structures and FT-Raman Spectroscopy of Luminescent Niobium and Tantalum Arylimido Compounds

Inorganic Chemistry

Volumn 36, Issue 24, 1997, Pages 5530-5538

  Heinselman, Kurt S ^a   Miskowski, Vincent M ^a   Geib, Steven J ^a   Wang, Louis C ^b   Hopkins, Michael D ^a  

^a UNIVERSITY OF PITTSBURGH   (United States)

^b Applied Detector Corp   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000923379     PISSN: 00201669     EISSN: None     Source Type: Journal    
DOI: 10.1021/ic970494+     Document Type: Article

References (50)

1. Heinselman, K. S.; Hopkins, M. D. J. Am. Chem. Soc. 1995, 117, 12340-12341.
2. Williams, D. S.; Thompson, D. W.; Korolev, A. V. J. Am. Chem. Soc. 1996, 118, 6526-6527.
3. Lee, Y. F.; Kirchhoff, J. R. J. Am. Chem. Soc. 1994, 116, 3599-3600.
4. (a) Pfennig, B. W.; Thompson, M. E.; Bocarsly, A. B. Organometallics 1993, 12, 649-655.
5. (b) Pfennig, B. W.; Thompson, M. E.; Bocarsly, A. B. J. Am. Chem. Soc. 1989, 111, 8947-8948.
6. Thorn, D. L.; Harlow, R. L. Inorg. Chem. 1992, 31, 3917-3923.
7. Paulson, S.; Sullivan, B. P.; Caspar, J. V. J. Am. Chem. Soc. 1992, 114, 6905-6906.
8. Bandy, J. A.; Cloke, F. G. N.; Cooper, G.; Day, J. P.; Girling, R. B.; Graham, R. G.; Green, J. C.; Grinter, R.; Perutz, R. N. J. Am. Chem. Soc. 1988, 110, 5039-5050.
9. Chao, Y.-W.; Wexler, P. A.; Wigley, D. E. Inorg. Chem. 1989, 28, 3860-3868.
10. Flack, H. D. Acta Crystallogr. 1983, A39, 876-881.
11. Churchill, M. R.; Wasserman, H. J. Inorg. Chem. 1982, 21, 223-226.
12. Angles between the least-squares plane of the six aryl-ring carbon atoms and the least-squares planes defined by {M, X(1), X(2), N(1)} and {M, X(3), E(cis), N(1)}: 1, 52.5, 39.7°; 4, 15.3, 73.7°; 6, 40.5, 50.0°; 7, 52.4, 40.1°.
13. Clark, G. R.; Nielson, A. J.; Rickard, C. E. F. J. Chem. Soc., Dalton Trans. 1995, 1907-1914.
14. Wigley, D. E. Prog. Inorg. Chem. 1994, 42, 293-483.
15. Nugent, W. A.; Mayer, J. M. Metal-Ligand Multiple Bonds; Wiley: New York, 1988; Chapter 5.
16. Lyne, P. D.; Mingos, D. M. P. J. Organomet. Chem. 1994, 478, 141-151 and references therein.
17. Emsley, J. The Elements, 2nd ed.; Oxford University Press: New York, 1991.
18. Clark, G. R.; Glenny, M. W.; Nielson, A. J.; Rickard, C. E. F. J. Chem. Soc., Dalton Trans. 1995, 1147-1152.
19. Griffith, W. P.; Nielson, A. J.; Taylor, M. J. J. Chem. Soc., Dalton Trans. 1988, 647-649.
20. Rocklage, S. M.; Schrock, R. R. J. Am. Chem. Soc. 1982, 104, 3077-3081.
21. Goeden, G. V.; Haymore, B. L. Inorg. Chem. 1983, 22, 157-167.
22. Osborne, J. H.; Trogler, W. C. Inorg. Chem. 1985, 24, 3098-3099.
23. Reference 14, Chapter 4.
24. Nakamoto, K. Infrared and Raman Spectra of Inorganic and Coordination Compounds, 4th ed.; Wiley: New York, 1986.
25. Horner, S. M.; Clark, R. J. H.; Crociani, B.; Copley, D. B.; Horner, W. W.; Collier, F. N.; Tyree, S. Y., Jr. Inorg. Chem. 1968, 7, 1859-1863.
26. Brown, D.; Jones, P. J. J. Chem. Soc. A 1967, 247-251.
27. Brown, T. L.; McDugle, W. G., Jr.; Kent, L. G. J. Am. Chem. Soc. 1970, 92, 3645-3653.
28. Reference 14, p 123.
29. Varsányi, G. Vibrational Spectra of Benzene Derivatives; Academic Press: New York. 1969.
30. Dehnicke, K.; Strähle, J. Angew. Chem., Int. Ed. Engl. 1981, 20, 413-426.
31. Dehnicke, K.; Strähle, J. Chem. Rev. 1993, 93, 981-994.
32. 15N isotopic shift.
33. sym(W≡N-C) character.
34. Varsányi, G. Assignments for Vibrational Spectra of Seven Hundred Benzene Derivatives; Wiley: New York, 1974.
35. ip. Modes 1, 6a, and 13 correspond to Whiffen's X-sensitive modes r, t, and q, respectively (Whiffen, D. H. J. Chem. Soc. 1956, 1350-1356).
36. ip. Modes 1, 6a, and 13 correspond to Whiffen's X-sensitive modes r, t, and q, respectively (Whiffen, D. H. J. Chem. Soc. 1956, 1350-1356).
37. ip. Modes 1, 6a, and 13 correspond to Whiffen's X-sensitive modes r, t, and q, respectively (Whiffen, D. H. J. Chem. Soc. 1956, 1350-1356).
38. Wilson, E. B., Jr.; Decius, J. C.; Cross, R. G. Molecular Vibrations; McGraw-Hill: New York. 1955.
39. 13C isotopomers) to allow refinement of a full force field for the present compounds.
40. -1: Fijima, K.; Shibata, S. Bull. Chem. Soc. Jpn. 1975, 48, 666-668. Fijima, K.; Shibata, S. Bull. Chem. Soc. Jpn. 1974, 47, 1393-1395).
41. -1: Fijima, K.; Shibata, S. Bull. Chem. Soc. Jpn. 1975, 48, 666-668. Fijima, K.; Shibata, S. Bull. Chem. Soc. Jpn. 1974, 47, 1393-1395).
42. -1: Fijima, K.; Shibata, S. Bull. Chem. Soc. Jpn. 1975, 48, 666-668. Fijima, K.; Shibata, S. Bull. Chem. Soc. Jpn. 1974, 47, 1393-1395).
43. -1: Fijima, K.; Shibata, S. Bull. Chem. Soc. Jpn. 1975, 48, 666-668. Fijima, K.; Shibata, S. Bull. Chem. Soc. Jpn. 1974, 47, 1393-1395).
44. -1: Fijima, K.; Shibata, S. Bull. Chem. Soc. Jpn. 1975, 48, 666-668. Fijima, K.; Shibata, S. Bull. Chem. Soc. Jpn. 1974, 47, 1393-1395).
45. Ohno, K.; Matsuura, H. J. Mol. Struct. 1991, 242, 303-314.
46. 3(dme) (M = Nb, Ta; Ar = Ph, Ar*) as the "(mainly) N-C mode" is at odds with our assignment of the strong Raman band in this region to the aryl-localized mode 8a. The modes with appreciable N-C character will lie at much lower frequency, as described in the text.
47. 4 were nonetheless evident in the spectra (Dallinger, R. F. Unpublished results).
48. Myers, A. B. In Laser Techniques in Chemistry; Myers, A. B., Rizzo, T. R., Ed.; Wiley: New York, 1995; pp 325-384.
49. Miskowski, V. M.; Smith, T. P.; Loehr, T. M.; Gray, H. B. J. Am. Chem. Soc. 1985, 107, 7925-7934.
50. Quicksall, C. O.; Spiro, T. G. Inorg. Chem. 1970, 9, 1045-1049.