Bonding interactions between three adjacent hydrogen ligands. Preparation and spectroscopic properties of the tantalum and niobium complexes [Ta(H)₃(C₅H_5–nR_n)₂](R = SiMe₃, n= 1 or 2) and [Nb(H₃)(C₅H_5–nR_n)₂](n= 1, R = Me or SiMe₃; n= 2, R = SiMe₃)

1 January 1988

journal article
research article
Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications

No. 17,p. 1210-1212
https://doi.org/10.1039/c39880001210

Abstract

The new title complexes of tantalum are true hydrides whereas the niobium complexes have bonding interactions among the three hydrogen atoms, as evidenced by short n.m.r. T₁ values and unusual couplings ¹J(H,H) which vary with temperature from less than 3 to about 100 Hz.

Keywords

BONDING INTERACTIONS
NIOBIUM
TANTALUM
SUP
HYDROGEN
ADJACENT
N.M.R

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Bonding interactions between three adjacent hydrogen ligands. Preparation and spectroscopic properties of the tantalum and niobium complexes [Ta(H)3(C5H5–nRn)2](R = SiMe3, n= 1 or 2) and [Nb(H3)(C5H5–nRn)2](n= 1, R = Me or SiMe3; n= 2, R = SiMe3)

Abstract

Keywords

Bonding interactions between three adjacent hydrogen ligands. Preparation and spectroscopic properties of the tantalum and niobium complexes [Ta(H)₃(C₅H_5–nR_n)₂](R = SiMe₃, n= 1 or 2) and [Nb(H₃)(C₅H_5–nR_n)₂](n= 1, R = Me or SiMe₃; n= 2, R = SiMe₃)