Electronic Resource
Weinheim
:
Wiley-Blackwell
Angewandte Chemie International Edition in English
11 (1972), S. 596-606
ISSN:
0570-0833
Keywords:
Bond theory
;
Alkenes
;
Alkynes
;
Alkene ligands
;
Alkyne ligands
;
Chemistry
;
General Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Notes:
The molecular orbital (MO) and valence bond (VB) descriptions of the bonding in metalolefin and -acetylene complexes are examined in relation to their ability to explain the known properties of these complexes. It is concluded that whereas there are difficulties with the valence bond description, the molecular orbital description can satisfactorily explain all the known properties of these complexes and has the necessary versatility to enable it to be readily applied to any series of metal-olefin or -acetylene complexes. It is further shown that olefin and acetylene complexes can be usefully divided into two main classes: those that resemble the platinum(II)-complexes (class S), and are either square-planar or octahedral with essentially free rotation about the metal-olefin bond; and those that resemble platinum(0)-complexes (class T) and are either trigonal planar or trigonal bipyramidal and in which there is no rotation about the metal-olefin or -acetylene bond.
Additional Material:
4 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/anie.197205961
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