A pseudo-Jahn-Teller effect, coupled with the E(X) epsilon Jahn-Teller effect
- 20 May 1987
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 20 (14) , 2089-2096
- https://doi.org/10.1088/0022-3719/20/14/010
Abstract
The authors show under what conditions a pseudo-Jahn-Teller effect, for which odd distortion modes are active, can couple with the E(X) epsilon Jahn-Teller effect, which arises for certain transition-metal ions in octahedral and tetrahedral arrangements of ligands. The geometries of CuCl6 octahedra as found in CsCuCl3 and (CH3)4NCuCl3 at room temperature, which show this pseudo-Jahn-Teller effect, are discussed.Keywords
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