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Formation and Crystal Structure of Stable Five‐coordinate Diorgano Cobalt(III) Complexes
Author(s) -
Li Xiaoyan,
Sun Hongjian,
Klein HansFriedrich,
Flörke Ulrich
Publication year - 2005
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.200500182
Subject(s) - cobalt , octahedron , trimethylphosphine , chemistry , crystallography , crystal structure , square pyramidal molecular geometry , diamagnetism , medicinal chemistry , stereochemistry , inorganic chemistry , physics , quantum mechanics , magnetic field
The mer ‐octahedral complexes(2‐carbonyl)(4‐Me)(6‐ t Bu)phenolato[ C,O ]hydridotris(trimethylphosphine)cobalt(III) ( 1 ) or ‐(1‐carbonyl)(2‐oxo)(1,2‐diphenylethene)[ C,O ]hydridotris(trimethylphosphine)cobalt(III) ( 2 ) via formal insertion of propynoic acid ethyl ester into Co‐H functions afford pentacoordinate vinylcobalt(III) 3 and 4 , respectively, that are diamagnetic and attain a square pyramidal structure as exemplified by an X‐ray diffraction analysis of 3 .
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