The lone-pair cation I5+ in a hexagonal tungsten oxide-like framework:: Synthesis, structure, and second-harmonic generating properties of Cs2I4O11

被引：167
作者：
Ok, KM [1 ]
Halasyamani, PS [1 ]
机构：
[1] Univ Houston, Dept Chem, Houston, TX 77204 USA
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2004年 / 43卷 / 41期
关键词：
hydrothermal synthesis; iodine; layered compounds; nonlinear optics; oxides;
D O I：
10.1002/anie.200460367
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The layered iodate Cs2I4O11 has been synthesized and characterized. Its hexagonal tungsten oxide-like framework consists of six-membered rings of corner-sharing IO5 polyhedra with three lone pairs pointing inward and three lone pairs pointing outward (depicted for central ring). Capping of the layer by asymmetric IO3 polyhedra on one side results in a noncentrosymmetric material with highly efficient second-harmonic generating properties.
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页码：5489 / 5491
页数：3
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