Exchange coupling in di-μ-hydroxo-bridged chromium(III) dimers
✍ Scribed by Raymond P. Scaringe; Derek J. Hodgson; William E. Hatfield
- Publisher
- Springer
- Year
- 1981
- Tongue
- English
- Weight
- 592 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0340-4285
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HigIl-resolution absorption, iuminesccnce, Zeeman and MCD experiments were performed cm sir& crystals of the title compound. The singlet-tripiet and trip&t-quintet exchange splittings in the ground state are 138 and 267 cm-'. respectively. The corresponding exchange parameters are 2J= -128 cm-' andj
Quantum chemical ab initio calculations have been performed for the magnetic exchange coupling in three linear oxo-bridged heterobinuclear transition-metal Ž . Ž . complexes of the form L M III -O-M III L with M , M s Ti, V, Cr. In order to 5 1 2 5 1 2 simplify the calculations, the terminal ligands