Structures of [M2(dimen)4] (Y)2 (M = Rh, Ir; dimen = 1,8·Diisocyanomenthane; Y = PF6, Tetrakis[3,5-bis(trifluoromethyl)phenyl]borate, B(C6H5)4) Crystals Featuring an Exceptionally Wide Range of Metal-Metal Distances and Dihedral Twist Angles

Inorganic Chemistry

Volumn 35, Issue 3, 1996, Pages 549-550

  Exstrom, Christopher L ^a   Britton, Doyle ^a   Mann, Kent R ^a   Hill, Michael G ^b,d   Miskowski, Vincent M ^b   Schaefer, William P ^b   Gray, Harry B ^b   Lamanna, William M ^c  

^a UNIVERSITY OF MINNESOTA   (United States)

^b CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

^c 3M COMPANY   (United States)

^d OCCIDENTAL COLLEGE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001145901     PISSN: 00201669     EISSN: None     Source Type: Journal    
DOI: 10.1021/ic9508637     Document Type: Article

References (32)

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3. (c) Song, J.;Hall, M. B. Inorg. Chem. 1991, 30, 4433.
4. (d) Parkin, G. Chem. Rev. 1993, 93, 887.
5. Additional references are supplied in Supporting Information.
6. Gutlich, P.;Goodwin, H. A.;Hendrickson, D. N. Angew. Chem., Int. Ed. Engl. 1994, 33, 425.
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8. (b) Moskovits, M.;Limm, W.;Mejean, T. J. Chem. Phys. 1985, 82, 4875.
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12. (b) Sykes, A. G.;Mann, K. R. J. Am. Chem. Soc. 1988, 770, 3252.
13. (c) Sykes, A. G.;Mann, K. R. J. Am. Chem. Soc. 1990, 112, 7247.
14. 2 has been previously reported: Mann, K. R. Cryst. Struct. Commun. 1981, 20, 1921.
15. Nishida, H.;Takada, N.;Yoshimura, M.;Sonoda, T.;Kobayashi, H. Bull. Chem. Soc. Jpn. 1984, 57, 2600.
16. 2: Hill, M. G. Ph.D. Dissertation, University of Minnesota, 1992.
17. 2: Smith, T. P. Ph.D. Dissertation, California Institute of Technology, 1982.
18. 3CN solutions.
19. 2 was solved from a Patterson map using the CRYM software system. Full-matrix least-squares refinements were carried out with reflections for which I > 2 σ (I).
20. 4) are included in the supporting material.
21. 13b (a) Dallinger, R. F.;Miskowski, V. M.;Gray, H. B.;Woodruff, W. H. J. Am. Chem. Soc. 1981, 103, 1595. (b) Smith, D. C.;Ph.D. Dissertation, California Institute of Technology, 1989.
22. 13b (a) Dallinger, R. F.;Miskowski, V. M.;Gray, H. B.;Woodruff, W. H. J. Am. Chem. Soc. 1981, 103, 1595. (b) Smith, D. C.;Ph.D. Dissertation, California Institute of Technology, 1989.
23. Mann, K. R.;Thich, J. A.;Bell, R. A.;Coyle, C. L., Gray, H. B. Inorg. Chem. 1980, 79, 2462.
24. (a) Rice, S. F.;Miskowski, V. M.;Gray, H. B. Inorg. Chem. 1988, 27, 4704,
25. (b) Smith, D. C.;Miskowski, V. M.;Mason, W. R.;Gray, H. B. J Am. Chem. Soc. 1990, 112, 3759.
26. (c) Miskowski, V. M.;Rice, S. F.;Gray, H. B.;Milder, S. J. J. Phys. Chem. 1993, 97, 4277.
27. Miskowski V. M.;Rice, S. F.;Gray, H. B.;Dallinger, R. F.;Milder, S. J.;Hill, M. G.;Exstrom, C. L.;Mann, K. R. Inorg. Chem. 1994, 33, 2799.
28. 13b,14 (see Figure 1). MM2 calculations show that twisting dimen to ω = 17° at d(M-M) = 3.6 Å gives δE = 5 kcal/mol.
29. See. for example: Ferretti, V.;Dubler-Steudle, K. C.;Bürgi, H.-B. Chapter 17 In Accurate Molecular Structures; Domenicano, A., Hargittai, I., Eds.;Oxford University Press: Oxford, England, 1992. Bürgi, H.-B.;Dunitz, J. D. Acc. Chem. Res. 1983, 16, 153.
30. See. for example: Ferretti, V.;Dubler-Steudle, K. C.;Bürgi, H.-B. Chapter 17 In Accurate Molecular Structures; Domenicano, A., Hargittai, I., Eds.;Oxford University Press: Oxford, England, 1992. Bürgi, H.-B.;Dunitz, J. D. Acc. Chem. Res. 1983, 16, 153.
31. 2 (short), we calculate ΔH° = -0.8 kcal/mol and ΔS° = 1.44 cal/(mol K).
32. Villahermosa, R.;Hill, M G.;Miskowski, V. M. Unpublished results.