Structure, spectral properties and interconversions of bis-niobocenes and their dianions. The crystal and molecular structure of [(η5-C5 H4 SiMe2 OSiMe2 -η5 : η1-C5H3)2Nb2H2] [Na(OEt2 )2 ]2
Publication type: Journal Article
Publication date: 1980-11-01
scimago Q3
wos Q2
SJR: 0.385
CiteScore: 4.1
Impact factor: 2.4
ISSN: 0022328X, 18728561
Materials Chemistry
Organic Chemistry
Biochemistry
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
Abstract Electron-acceptor properties of bis-niobocenes (η5-C5H4Y)(H) Nb(η 5 : η 1 -C 5 H 3 X) 2 N b(H)(η5-C5H4Y) with X Y H and XY SiMe2OSiMe2have been investigated. Bis-niobocenes are shown to readily add two electrons forming stable salts of the corresponding dianions [(η5-C5H4Y)(H)Nb(η5 : η1- C5H3X)2Nb(H)(η5-C5H4Y)]2-. The surplus electrons can be removed to give quantitative regeneration of initial neutral bis-niobocenes. The crystal and molecular structure of the title compound has been determined; R 0.044, interatomic distance are Nb…Nb 3.93, NbH 1.62, average NbC(π) 2.36, NbC(σ) 2.31 A, other distances correspond to the usually observed values. Unlike the neutral bis-niobocenes, there is no direct metalmetal bond in the dianionic structures. This conclusion is supported by electronic spectra of neutral and dianionic species.
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Lemenovskii D. A. et al. Structure, spectral properties and interconversions of bis-niobocenes and their dianions. The crystal and molecular structure of [(η5-C5H4SiMe2OSiMe2-η5 : η1-C5H3)2Nb2H2] [Na(OEt2)2]2 // Journal of Organometallic Chemistry. 1980. Vol. 201. No. 1. pp. 257-268.
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Lemenovskii D. A., Fedin V. P., ALEKSANDROV A., Slovohotov Yu. L., Struchkov Y. T. Structure, spectral properties and interconversions of bis-niobocenes and their dianions. The crystal and molecular structure of [(η5-C5H4SiMe2OSiMe2-η5 : η1-C5H3)2Nb2H2] [Na(OEt2)2]2 // Journal of Organometallic Chemistry. 1980. Vol. 201. No. 1. pp. 257-268.
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TY - JOUR
DO - 10.1016/S0022-328X(00)92581-6
UR - https://linkinghub.elsevier.com/retrieve/pii/S0022328X00925816
TI - Structure, spectral properties and interconversions of bis-niobocenes and their dianions. The crystal and molecular structure of [(η5-C5H4SiMe2OSiMe2-η5 : η1-C5H3)2Nb2H2] [Na(OEt2)2]2
T2 - Journal of Organometallic Chemistry
AU - Lemenovskii, D A
AU - Fedin, Vladimir P.
AU - ALEKSANDROV, A.V.
AU - Slovohotov, Yu L
AU - Struchkov, Yu. T.
PY - 1980
DA - 1980/11/01
PB - Elsevier
SP - 257-268
IS - 1
VL - 201
SN - 0022-328X
SN - 1872-8561
ER -
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@article{1980_Lemenovskii,
author = {D A Lemenovskii and Vladimir P. Fedin and A.V. ALEKSANDROV and Yu L Slovohotov and Yu. T. Struchkov},
title = {Structure, spectral properties and interconversions of bis-niobocenes and their dianions. The crystal and molecular structure of [(η5-C5H4SiMe2OSiMe2-η5 : η1-C5H3)2Nb2H2] [Na(OEt2)2]2},
journal = {Journal of Organometallic Chemistry},
year = {1980},
volume = {201},
publisher = {Elsevier},
month = {nov},
url = {https://linkinghub.elsevier.com/retrieve/pii/S0022328X00925816},
number = {1},
pages = {257--268},
doi = {10.1016/S0022-328X(00)92581-6}
}
Cite this
MLA
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Lemenovskii, D. A., et al. “Structure, spectral properties and interconversions of bis-niobocenes and their dianions. The crystal and molecular structure of [(η5-C5H4SiMe2OSiMe2-η5 : η1-C5H3)2Nb2H2] [Na(OEt2)2]2.” Journal of Organometallic Chemistry, vol. 201, no. 1, Nov. 1980, pp. 257-268. https://linkinghub.elsevier.com/retrieve/pii/S0022328X00925816.