Synthesis and structure of the phosphinophosphide niobocene complex Cp2Nb(PPh2)(PHPh2)

Authors
Nikonov, GI Lemenovskii, DA Dorogov, KY Churakov, AV
Citation
Gi. Nikonov et al., Synthesis and structure of the phosphinophosphide niobocene complex Cp2Nb(PPh2)(PHPh2), POLYHEDRON, 18(8-9), 1999, pp. 1159-1162
Citations number
50
Categorie Soggetti
Inorganic & Nuclear Chemistry
Journal title
POLYHEDRON
ISSN journal
02775387 → ACNP
Volume
18
Issue
8-9
Year of publication
1999
Pages
1159 - 1162
Database
ISI
SICI code
0277-5387(1999)18:8-9<1159:SASOTP>2.0.ZU;2-L
Abstract
The phosphinophosphido niobocene complex Cp2Nb(PHPh2)(PPh2) (2) was prepare d by deprotonation of the cationic diphosphino complex [Cp2Nb(PHPh2)(2)]Cl (3). Complex 2 is thermally unstable and readily dissociates phosphine to g ive the ortho-metallated complex Cp2Nb(PHPhC6H4-). Crystal structure determ ination of 2 supported its formulation as the phosphinophosphido compound. The Nb-P(1) (phosphino) bond length is 2.524(2) Angstrom and Nb-P(2) (phosp hido) bond length is 2.610(2) Angstrom. (C) 1999 Elsevier Science Ltd. All rights reserved.