Synthesis of [Li(THF)4]2[Th(η5-C2B 9H11)2X2] (X = Cl, Br, I): The First Dicarbollide Complexes of Thorium

Inorganic Chemistry

Volumn 36, Issue 19, 1997, Pages 4216-4217

  Rabinovich, Daniel ^a,b   Chamberlin, Rebecca M ^a   Scott, Brian L ^a   Nielsen, Jon B ^a   Abney, Kent D ^a  

^a LOS ALAMOS NATIONAL LABORATORY   (United States)

^b UNIVERSITY OF NORTH CAROLINA AT CHARLOTTE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000961779     PISSN: 00201669     EISSN: None     Source Type: Journal    
DOI: 10.1021/ic970198x     Document Type: Article

References (26)

1. Rabinovich, D.; Haswell, C. M.; Scott, B. L.; Miller, R. L.; Nielsen, J. B.; Abney, K. D. Inorg. Chem, 1996, 35, 1425-1426.
2. For a review of d-and f-block metallacarborane complexes, see: Saxena, A. K.; Hosmane, N. S. Chem. Rev. 1993, 93, 1081-1124.
3. Fronczek, F. R.; Halstead, G. W.; Raymond, K. N. J. Am. Chem. Soc. 1977, 99, 1769-1775.
4. Edwards, P. G.; Weydert, M.; Petrie, M. A.; Andersen, R. A. J. Alloys Compd. 1994, 213/214, 11-14.
5. Uhrhammer, R.; Crowther, D. J.; Olson, J. D.; Swenson, D. C.; Jordan, R. F. Organometallics 1992, 11, 3098-3104.
6. 8Th: C, 37.3; H, 7.5. Found: C, 37.2; H, 7.4.
7. All new compounds have been characterized spectroscopically and analytically (see Supporting Information).
8. Clark, D. L.; Frankcom, T. M.; Miller, M. M.; Watkin, J. G. Inorg. Chem. 1992, 31, 1628-1633.
9. Walsh, R. Acc. Chem. Res. 1981, 14, 246-252.
10. (a) Olah, G. A.; Narang, S. C. Tetrahedron 1982, 38, 2225-2277.
11. (b) Schmidt, A. H. Aldrichimica Acta 1981, 14, 31-38.
12. (a) Gusev, D. G.; Kuhlman, R.; Rambo, J. R.; Berke, H.; Eisenstein, O.; Caulton, K. G. J. Am. Chem. Soc. 1995, 117, 281-292.
13. (b) Rothfuss, H.; Gusev, D. G.; Caulton, K. G. Inorg. Chem. 1995, 34, 2894-2901.
14. A similar approach has been used to prepare mono(cydooctatetraenyl) complexes of thorium. See: (a) Le Vanda, C.; Solar, J. P.; Streitwieser, A., Jr. J. Am. Chem. Soc. 1980, 102, 2128-2129. (b) Gilbert, T. M.; Ryan, R. R.; Sattelberger, A. P. Organometallics 1988, 7, 2514-2518.
15. A similar approach has been used to prepare mono(cydooctatetraenyl) complexes of thorium. See: (a) Le Vanda, C.; Solar, J. P.; Streitwieser, A., Jr. J. Am. Chem. Soc. 1980, 102, 2128-2129. (b) Gilbert, T. M.; Ryan, R. R.; Sattelberger, A. P. Organometallics 1988, 7, 2514-2518.
16. w = 0.0766.
17. (a) Manning, M. J.; Knobler, C. B.; Khattar, R.; Hawthorne, M. F. Inorg. Chem. 1991, 30, 2009-2017.
18. (b) Uhrhammer, R.; Su, Y.-X.; Swenson, D. C.; Jordan, R. F. Inorg. Chem. 1994, 33, 4398-4402.
19. Rabinovich, D.; Schimek, G. L.; Pennington, W. T.; Nielsen, J. B.; Abney, K. D. Acta Crystallogr., in press.
20. In contrast, cone angle values of 136° and 138° have been estimated for the dicarbollide and pentamethylcylopentadienyl ligands, respectively. See: Hanusa, T. P. Polyhedron 1982, 1, 663-665.
21. Metal-centroid distances to dicarbollide ligands are typically 0.08-0.16 Å shorter than the corresponding values found in Cp* analogues. See ref 2 and the following: (a) Forward, J. M.; Mingos, D. M. P.; Powell, A. V. J. Organomet. Chem. 1994, 465, 251-258. (b) Bazan, G. C.; Schaefer, W. P.; Bercaw, J. E. Organometallics 1993, 12, 2126-2130. (c) Kreuder, C.; Jordan, R. F.; Zhang, H. Organometallics 1995, 14, 2993-3001. (d) Crowther, D. J.; Swenson, D. C.; Jordan, R. F. J. Am. Chem. Soc. 1995, 117, 10403-10404.
22. Metal-centroid distances to dicarbollide ligands are typically 0.08-0.16 Å shorter than the corresponding values found in Cp* analogues. See ref 2 and the following: (a) Forward, J. M.; Mingos, D. M. P.; Powell, A. V. J. Organomet. Chem. 1994, 465, 251-258. (b) Bazan, G. C.; Schaefer, W. P.; Bercaw, J. E. Organometallics 1993, 12, 2126-2130. (c) Kreuder, C.; Jordan, R. F.; Zhang, H. Organometallics 1995, 14, 2993-3001. (d) Crowther, D. J.; Swenson, D. C.; Jordan, R. F. J. Am. Chem. Soc. 1995, 117, 10403-10404.
23. Metal-centroid distances to dicarbollide ligands are typically 0.08-0.16 Å shorter than the corresponding values found in Cp* analogues. See ref 2 and the following: (a) Forward, J. M.; Mingos, D. M. P.; Powell, A. V. J. Organomet. Chem. 1994, 465, 251-258. (b) Bazan, G. C.; Schaefer, W. P.; Bercaw, J. E. Organometallics 1993, 12, 2126-2130. (c) Kreuder, C.; Jordan, R. F.; Zhang, H. Organometallics 1995, 14, 2993-3001. (d) Crowther, D. J.; Swenson, D. C.; Jordan, R. F. J. Am. Chem. Soc. 1995, 117, 10403-10404.
24. Metal-centroid distances to dicarbollide ligands are typically 0.08-0.16 Å shorter than the corresponding values found in Cp* analogues. See ref 2 and the following: (a) Forward, J. M.; Mingos, D. M. P.; Powell, A. V. J. Organomet. Chem. 1994, 465, 251-258. (b) Bazan, G. C.; Schaefer, W. P.; Bercaw, J. E. Organometallics 1993, 12, 2126-2130. (c) Kreuder, C.; Jordan, R. F.; Zhang, H. Organometallics 1995, 14, 2993-3001. (d) Crowther, D. J.; Swenson, D. C.; Jordan, R. F. J. Am. Chem. Soc. 1995, 117, 10403-10404.
25. (a) Al-Daher, A. G. M.; Bagnall, K. W.; Benetollo, F.; Polo, A.; Bombieri G. J. Less-Common Met. 1986, 122, 167-173.
26. (b) Edelman, M. A.; Hitchcock, P. B.; Hu, J.; Lappert, M. F. New J. Chem. 1995, 19, 481-489.