Binuclear tantalum hydride complexes

Cyclopentadienyltantalum olefin or dineopentyl complexes react with molecular hydrogen to give binuclear hydride complexes, (Ta(eta/sup 5/-C/sub 5/Me/sub 4/R)Cl/sub 2/H)/sub 2/(R = Me or Et). The dimeric hydride complexes react with alkylating agents to give monoalkyl derivatives (alkyl = Me, Et, CH...

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Veröffentlicht in:	J. Am. Chem. Soc.; (United States) 1982-06, Vol.104 (11), p.3082-3089
Hauptverfasser:	Belmonte, Patricia A, Schrock, Richard R, Day, Cynthia S
Format:	Artikel
Sprache:	eng
Schlagworte:	08 HYDROGEN 400201 > Chemical & Physicochemical Properties BOND ANGLE BOND LENGTHS CHEMICAL REACTIONS COMPLEXES COORDINATES DATA DIMENSIONS ELEMENTS EXPERIMENTAL DATA HYDRIDES HYDROGEN HYDROGEN COMPOUNDS INFORMATION INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY LEAST SQUARE FIT LENGTH MAXIMUM-LIKELIHOOD FIT MEDIUM TEMPERATURE MOLECULAR STRUCTURE NMR SPECTRA NONMETALS NUMERICAL DATA NUMERICAL SOLUTION SPECTRA TANTALUM COMPLEXES TRANSITION ELEMENT COMPLEXES 080201 > Hydrogen-- Chemisorption Storage
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Beschreibung
Zusammenfassung:	Cyclopentadienyltantalum olefin or dineopentyl complexes react with molecular hydrogen to give binuclear hydride complexes, (Ta(eta/sup 5/-C/sub 5/Me/sub 4/R)Cl/sub 2/H)/sub 2/(R = Me or Et). The dimeric hydride complexes react with alkylating agents to give monoalkyl derivatives (alkyl = Me, Et, CH/sub 2/CMe/sub 3/, or CH/sub 2/SiMe/sub 3/). Ta/sub 2/(eta/sup 5/-CMe/sub 4/Et)/sub 2/Cl/sub 3/H/sub 2/(Me) crystallizes in the monoclinic space group P2/sub 1//c with a = 20.084 (6) angstrom, b = 16.972 (4) angstrom, c = 15.869 (4) angstrom, and ..beta.. = 96.86 (2)/sup 0/. The structure was solved by full-matrix least-squares techniques to R values of R/sub 1/ = 5.6% and R/sub 2/ = 7.0% for 6542 absorption-corrected reflections having /sup 2/THETA/sub MoK..cap alpha../ 3sigma(I). There are two independent molecules per asymmetric unit.
ISSN:	0002-7863 1520-5126
DOI:	10.1021/ja00375a023