DIMERS AND CHAINS IN PRASEODYMIUM(III)ACETATE-SESQUIHYDRATE, PR(CH3COO)3.1.5H2O

被引：18

作者：

LOSSIN, A ^{[1
]}

MEYER, G ^{[1
]}

机构：

[1] UNIV HANNOVER,INST ANORGAN CHEM,CALLINSTR 9,W-3000 HANNOVER 1,GERMANY

来源：

ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 1992年 / 47卷 / 11期

关键词：

PRASEODYMIUM ACETATE; SESQUIHYDRATE; SYNTHESIS; CRYSTAL STRUCTURE; THERMAL BEHAVIOR;

D O I：

10.1515/znb-1992-1114

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Pr(CH3COO)3 . 1.5 H2O crystallizes with the triclinic system, P1BAR (no. 2), Z = 4, a = 844.2(4), b = 1009.8(5), c = 1340.1(7) pm, alpha = 87.10(5), beta = 76.25(6), gamma = 75.65(2)-degrees, V(m) = 161.9(1) cm3/mol, R = 0.049, R(w) = 0.035. The crystal structure contains centrosymmetric dimers {[Pr(CH3COO)4(H2O)]-}2 and one-dimensional chains 1/infinity[Pr(CH3COO)2(H2O)]+ along the [100] direction. Both units are built up by bridging acetate groups. The chains are linked by the dimers to layers parallel (101) sharing oxygen atoms. Crystal water molecules between these planes form hydrogen bonds to neighbouring layers.

引用

页码：1602 / 1608

页数：7

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