Stabilization of unsolvated europium and ytterbium pentafluorophenyls by π-bonding encapsulation through a sterically crowded triazenido ligand

Inorganic Chemistry

Volumn 44, Issue 24, 2005, Pages 8644-8646

  Hauber, Sven Oliver ^a   Niemeyer, Mark ^a  

^a UNIVERSITY OF STUTTGART   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 28844496732     PISSN: 00201669     EISSN: None     Source Type: Journal    
DOI: 10.1021/ic0514602     Document Type: Article

References (25)

1. Gibson, V. C.; Spitzmesser, S. K. Chem. Rev. 2003, 103, 283.
2. Bourget-Merle, L.; Lappert, M. F.; Severn, J. R. Chem. Rev. 2002, 102, 3031.
3. Barker, J.; Kilner, M. Coord. Chem. Rev. 1994, 133, 219.
4. (a) Moore, D. D.; Robinson, S. D. Adv. Inorg. Chem. Radiochem. 1986, 30, 1.
5. (b) Vrieze, K.; van Koten, G. In Comprehensive Coordination Chemistry; Wilkinson, G., Ed.; Pergamon Press: Oxford, U.K., 1987; Vol. 2, p 189.
6. Gantzel, P.; Walsh, P. J. Inorg. Chem. 1998, 37, 3450.
7. Hauber, S.-O.; Lissner, F.; Deacon, G. B.; Niemeyer, M. Angew. Chem., Int. Ed. 2005, 44, 5871.
8. Deacon, G. B.; Forsyth, C. M.; Nickel, S. J. Organomet. Chem. 2002, 647, 50.
9. 3: C, 62.82; H, 5.38; N, 4.31. Found: C, 62.21; H, 5.43; N 4.39.
10. A solvated phenyl-substituted tris(triazenide) complex is known for Er: Pfeiffer, D.; Guzei, I. A.; Liable-Sands, L. M.; Heeg, M. J.; Rheingold, A. L.; Winter, C. H. J. Organomet. Chem. 1999, 588, 167.
11. (a) Deacon, G. B.; Forsyth, C. M. Organometallics 2003, 22, 1349.
12. (b) Forsyth, C. M.; Deacon, G. B. Organometallics 2000, 19, 1205.
13. (c) Deacon, G. B.; Forsyth, C. M. Chem. - Eur. J. 2004, 10, 1798.
14. int = 0.042) collected and 9552 unique reflections, 599 parameters, absorption correction by Ψ scans, R1 = 0.051 for 7365 reflections with I > 2σ-(I), wR2 = 0.103 (all data), GOF = 1.136. Crystallographic data (excluding structure factors) for the structures reported in this paper have been deposited with the Cambridge Crystallographic Data Centre as supplementary publication nos. CCDC-268133 (2) and -268132 (3). Copies of the data can be obtained free of charge upon application to CCDC, 12 Union Road, Cambridge CB21EZ, U.K. (fax +(44)-1223-336-033; e-mail deposit@ccdc.cam.ac.uk).
15. Shannon, R. D. Acta Crystallogr. 1976, A32, 751.
16. Wedler, M.; Noltemeyer, M.; Pieper, U.; Schmidt, H.-G.; Stalke, D.; Edelmann, F. T. Angew. Chem., Int. Ed. Engl. 1990, 29, 894.
17. Edelmann, F. T.; Freckmann, D. M. M.; Schumann, H. Chem. Rev. 2002, 102, 1851.
18. (a) Heckmann, G.; Niemeyer, M. J. Am. Chem. Soc. 2000, 122, 4227.
19. (b) Niemeyer, M. Acta Crystallogr. 2001, E57, m578.
20. For a review of π-arene interactions with lanthanide ions, see: Bochkarev, M. N. Chem. Rev. 2002, 102, 2089.
21. Niemeyer, M. Eur. J. Inorg. Chem. 2001, 1969.
22. 2, from solvated complexes, which normally requires repeated sublimation at elevated temperatures.
23. The assignment of the hapticity of the metal-π-arene interactions in compounds 2 and 3 is based on the evaluation of the M-C distances and the angle between the M-centroid vector and the normal of the arene plane (see Figure S3 of the Supporting Information).
24. 2), which shows a very strong Ce⋯F interaction of 2.682 Å in the solid state: Maron, L.; Werkema, E. L.; Perrin, L.; Eisenstein, O.; Andersen, R. A. J. Am. Chem. Soc. 2005, 127, 279.
25. Castillo, I.; Tilley, T. D. J. Am. Chem. Soc. 2001, 123, 10526.