Nonoctahedral Structures
- 1 February 2003
- journal article
- Published by American Chemical Society (ACS) in Accounts of Chemical Research
- Vol. 36 (2) , 147-153
- https://doi.org/10.1021/ar020052o
Abstract
There is always a special reason when six-coordinate molecules or complexes are nonoctahedral. The Jahn−Teller distortion is the longest known example. Also well understood now is the steric activity or nonactivity of a nonbonding electron pair, for example XeF6. In the past few years, it became obvious that six-coordinate d0 and d 1 complexes with σ only ligands such as Mo(CH3)6 are far from octahedral; rather, they are trigonal prismatic or even C3v distorted trigonal prismatic. This phenomenon can be explained with simple molecular orbital or valence bond models.Keywords
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