Citation: Zhi Jian WU, Si Yuan ZHANG. Chemical Bond Parameters in Sr₃MRhO₆ (M=Rare earth)[J]. Chinese Chemical Letters, ;2000, 11(8): 747-748. shu

Chemical Bond Parameters in Sr₃MRhO₆ (M=Rare earth)

Laboratory of rare earth chemistry and physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Received Date: 25 October 1999
Revised Date: 19 June 2000

Fund Project: Authors thank the financial support of the National Natural Science Foundation of China (Grant No.29871029).

Chemical bond parameters, that is, bond covalency, bond valence, macroscopic linear susceptibility, and oxidation states of elements in Sr₃MRhO₆ (M=Sm, Eu, Tb, Dy, Ho, Er, Yb) have been calculated. The results indicate that the bond covalency of M-O decreases sharply with the decrease of ionic radius of M³⁺ from Sm to Yb, while no obvious trend has been found for Rh-O and Sr-O bonds. The global instability index indicates that the crystal structures of Sr₃MrhO₆ (M=Sm, Eu, Tb, Dy, Ho) have strained bonds.
- Chemical bond parameters,
- Sr₃MRhO₆
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