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[Ni 8 (μ 4 ‐PPh) 6 (PPh 3 ) 4 ] and [Ni 9 (μ 4 ‐PPh) 6 (PPh 3 ) 4 ]; Cluster with Coordinatively Unsaturated Ni‐Atoms
Author(s) -
Fenske Dieter,
Hachgenei Johannes,
Rogel Friedhelm
Publication year - 1984
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198409821
Subject(s) - nickel , chemistry , crystallography , ligand (biochemistry) , atom (system on chip) , cube (algebra) , stereochemistry , geometry , biochemistry , mathematics , organic chemistry , computer science , embedded system , receptor
The novel nickel‐phosphane clusters 1 and 2 have almost identical structures: In 1 the Ni atoms form a distorted cube, each face of which is roofed by a PPh ligand. The PPh 3 ligands are alternatingly bound to Ni such that a coordination gap remains at four of the Ni atoms. In 2 one of the gaps is occupied by a Ni atom.— 1 is formed from NiCl 2 , PPh 3 , and PhP(SiMe 3 ) 2 under specific conditions or by reduction of 3 with Na/Hg; 2 is obtained by the same reduction, but in the presence of NiCl 2 .