Crystal structure of the R2PbSe4 (R = Er and Yb) compounds

被引：2

作者：

Gulay, L. D.

Daszkiewicz, M.

Stepien-Damm, J.

Pietraszko, A.

机构：

[1] Volyn State Univ, Dept Gen & Inorgan Chem, UA-43009 Lutsk, Ukraine

[2] Polish Acad Sci, W Trzebiatowski Inst Low Temp & Struct Res, PL-50950 Wroclaw, Poland

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2007年 / 429卷 / 1-2期

关键词：

chalcogenides; rare-earth compounds; Pb compounds; Se compounds; crystal structure; X-ray single crystal diffraction;

D O I：

10.1016/j.jallcom.2006.03.087

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The crystal structure of the R2PbSe4 (R = Er and Yb) compounds (space group Pnma, Pearson symbol oP28, a = 1.2541(3) nm, b = 0.40810(8) nm, c = 1.4865(3) nm, R1 = 0.0547 for Er2PbSe4 and a = 1.2501(2) nm, b = 0.40380(8) nm, c = 1.4707(3) nm, R1 = 0.0469 for Yb2PbSe4) was determined by means of X-ray single crystal diffraction. Octahedral surrounding exists for the R atoms. The Pb atoms are surrounded by trigonal prisms with one additional atom. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：111 / 115

页数：5

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