Synthesis and Crystal Structure of KSmLaF6

Chinese Journal of Applied Chemistry ›› 1997, Vol. 0 ›› Issue (4): 74-76.

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Synthesis and Crystal Structure of KSmLaF₆

Xu Li¹, Wu Guoqing²

1. Department of Chemistry, Zhejiang University, Hangzhou 310027;
2. Department of Chemistry, Beijing Normal University, Beijing

Received:1996-11-30 Revised:1997-06-03 Published:1997-08-10 Online:1997-08-10

Abstract

Abstract: KSmLaF₆ was synthesized by reducing Sm_0.5La_0.5F₃ with potassium vapor at 300℃ or 420℃. The new compound has two phases: the low-temperature phase is trigonal crystal system with lattice parameters a =0.6493(2) nm, c =0.3777(1) nm, c/a =0.582, Z =1, sapce group P3; and the high temperature phase is cubic crystal system with lattice parameters a =0.5873(3) nm, Z =4/3, space group F_m3_m.

Key words: samarium(Ⅱ), fluoride, synthesis, crystal structure

Xu Li, Wu Guoqing. Synthesis and Crystal Structure of KSmLaF₆[J]. Chinese Journal of Applied Chemistry, 1997, 0(4): 74-76.

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Synthesis and Crystal Structure of KSmLaF₆

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