PREPARATION AND CRYSTAL-STRUCTURE OF CSBO2

被引：24
|
作者：
SCHLAGER, M
HOPPE, R
机构：
[1] UNIV GIESSEN,INST ANORGAN & ANALYT CHEM,HEINRICH BUFF RING 58,D-35392 GIESSEN,GERMANY
[2] UNIV GIESSEN,INST ANORGAN & ANALYT CHEM,D-35392 GIESSEN,GERMANY
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1994年 / 620卷 / 11期
关键词：
CESIUM METABORATE; CSBO2; CRYSTAL STRUCTURE; CALCULATION OF ECON; MEFIR; MAPLE; CHARDI;
D O I：
10.1002/zaac.19946201106
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Colourless single crystals of CsBO2 have been prepared from intimate mixtures of CsO0.57 and B2O3 (Cs:B = 3.2:1.0; 600 degrees C, 38 d). The structure determination from four-circle diffractometer data (MoK<(alpha)over bar>, 443 I-o (h k l), R = 3.1%, R(w) = 2.0%) confirms the isotypy with NaBO2 and KBO2: space group R (3) over bar c; a = 1363.7(2) pm, c = 836.5(2) pm; Z = 18. A characteristic structure unit is the planar cyclic anion [B3O6](3-). Effective Coordination Numbers (ECoN), Mean Fictive Ionic Radii (MEFIR), the Madelung Part of Lattice Energy (MAPLE) and the Charge Distribution (CHARDI) are calculated and discussed.
引用
收藏
页码：1867 / 1871
页数：5
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