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Crystal structure and DFT calculations of Cp 2 NbH(SiIMe 2 )(SiFMe 2 ): an asymmetric bis(silyl) niobocene hydride complex
An asymmetric bis(silyl) niobocene hydride complex, namely, bis(η -cyclopentadienyl)(fluorodimethylsilyl)hydrido(iododimethylsilyl)niobium, [Nb(C H ) (C H FSi)(C H ISi)H] or Cp NbH(SiIMe )(SiFMe ), has been studied to determine the effect of the silyl ligand on the position of the hydride attached t...
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Published in: | Acta crystallographica. Section C, Structural chemistry Structural chemistry, 2023-04, Vol.79 (Pt 4), p.158-163 |
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Main Authors: | , , , , , , |
Format: | Article |
Language: | English |
Citations: | Items that this one cites |
Online Access: | Get full text |
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Summary: | An asymmetric bis(silyl) niobocene hydride complex, namely, bis(η
-cyclopentadienyl)(fluorodimethylsilyl)hydrido(iododimethylsilyl)niobium, [Nb(C
H
)
(C
H
FSi)(C
H
ISi)H] or Cp
NbH(SiIMe
)(SiFMe
), has been studied to determine the effect of the silyl ligand on the position of the hydride attached to the Nb atom. It has been shown that when a Group 17 atom is substituted onto one of the silyl ligands, there is a greater interaction between the hydride and this ligand, as demonstrated by a shorter Si...H distance. In the present work, we have investigated the effect when the silyl ligands are substituted by different Group 17 atoms. We present here the structure and DFT calculations of Cp
NbH(SiIMe
)(SiFMe
), showing that the position of the hydride is located between the two silyl ligands. The results from our investigation show that the hydride is closer to the silyl ligand that is substituted by fluorine. |
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ISSN: | 2053-2296 2053-2296 |
DOI: | 10.1107/S2053229623002395 |