Binuclear tantalum hydride complexes
Journal Article
·
· J. Am. Chem. Soc.; (United States)
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../ <55/sup 0/ and I > 3sigma(I). There are two independent molecules per asymmetric unit.
- Research Organization:
- Massachusetts Inst. of Tech., Cambridge
- DOE Contract Number:
- AC02-78ER04949
- OSTI ID:
- 6611616
- Journal Information:
- J. Am. Chem. Soc.; (United States), Journal Name: J. Am. Chem. Soc.; (United States) Vol. 104:11; ISSN JACSA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
08 HYDROGEN
080201* -- Hydrogen-- Chemisorption Storage
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201 -- Chemical & Physicochemical Properties
BOND ANGLE
BOND LENGTHS
CHEMICAL REACTIONS
COMPLEXES
COORDINATES
DATA
DIMENSIONS
ELEMENTS
EXPERIMENTAL DATA
HYDRIDES
HYDROGEN
HYDROGEN COMPOUNDS
INFORMATION
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
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201 -- Chemical & Physicochemical Properties
BOND ANGLE
BOND LENGTHS
CHEMICAL REACTIONS
COMPLEXES
COORDINATES
DATA
DIMENSIONS
ELEMENTS
EXPERIMENTAL DATA
HYDRIDES
HYDROGEN
HYDROGEN COMPOUNDS
INFORMATION
LEAST SQUARE FIT
LENGTH
MAXIMUM-LIKELIHOOD FIT
MEDIUM TEMPERATURE
MOLECULAR STRUCTURE
NMR SPECTRA
NONMETALS
NUMERICAL DATA
NUMERICAL SOLUTION
SPECTRA
TANTALUM COMPLEXES
TRANSITION ELEMENT COMPLEXES