Synthesis and characterization of non-centrosymmetric TeSeO4

被引：52
|
作者：
Porter, Y [1 ]
Bhuvanesh, NSP [1 ]
Halasyamani, PS [1 ]
机构：
[1] Univ Houston, Dept Chem, Houston, TX 77204 USA
来源：
INORGANIC CHEMISTRY | 2001年 / 40卷 / 06期
关键词：
D O I：
10.1021/ic000994u
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The synthesis, crystal structure, and characterization of a non-centrosymmetric oxide, TeSeO4, are reported. The material was synthesized by combining TeO2 and SeO2 in a quartz tube and heating at 370 degreesC. TeSeO4 has a three-dimensional structure containing [SeO3/2](+) cations linked to [TeO5/2](-) anions. Both the Se4+ and the Te4+ atoms are in asymmetric environments owing to their nonbonded electron pair. The material is SHG active, with a SHG intensity of 400 times SiO2. Crystal data: monoclinic, space group la (No. 9, cell choice 3), with a = 4.3568(8) Angstrom, b = 12.465(3) Angstrom, c = 6.7176(15) Angstrom, beta = 90.825(4)degrees, and Z = 4.
引用
收藏
页码：1172 / 1175
页数：4
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