CRYSTAL-STRUCTURE INVESTIGATION OF THE STRONTIUM VANADYL-VANADATE - SR-2(VO)V2O8

被引：25

作者：

FELDMANN, J ^{[1
]}

MULLERBUSCHBAUM, H ^{[1
]}

机构：

[1] CHRISTIAN ALBRECHTS UNIV KIEL, INST ANORGAN CHEM, D-24098 KIEL, GERMANY

来源：

ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 1995年 / 50卷 / 01期

关键词：

STRONTIUM; VANADIUM OXIDE; CRYSTAL STRUCTURE;

D O I：

10.1515/znb-1995-0108

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Single crystals of Sr-2(VO)V2O8 have been prepared by quenching melts from higher temperatures. This compound represents a new structure type and crystallizes with monoclinic symmetry, space group C-2h(6)-I2/a = 6.929, b = 16.246, c = 7.260 Angstrom, beta = 115.82 degrees, Z = 4. The point positions occupied by V5+ show tetrahedral coordination. The refinement of the V4+ position led to split positions with acentric orientations of V4+ in the octahedral O2- surrounding. It results in a square pyramidal coordination with one short V-O distance typically for vanadyl groups.

引用

页码：43 / 46

页数：4

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