[{[Pt(en)_2][PtX_2(en)_2]}_3][{(MX_5)X_3}_2]centre not12H_2O:Quasi-One-Dimensional Halogen-Bridged Pt~(II) Pt~(IV) Mixed-Valence Compounds with Magnetic Counteranions

摘要

Quasi-one-dimensional,halogen-bridged mixed-valence compounds (MX chains) have recently attracted much attention because they show very interesting physical properties,such as intense and dichroic intervalence charge-transfer bands,overtone progression of resonance-Raman spectra.