A new mixed alkali metal borate: LiCs[B5O8(OH)]•H2O

被引：9
作者：
Chen, Chong-An [1 ]
Wei, Qi [1 ]
Yang, Guo-Yu [1 ]
机构：
[1] Beijing Inst Technol, MOE Key Lab Cluster Sci, Sch Chem & Chem Engn, Beijing 100081, Peoples R China
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2017年 / 86卷
关键词：
Mixed alkali metal borate; Solvothermal synthesis; Crystal structure; Oxoboron cluster; NONLINEAR-OPTICAL CRYSTAL; BOND-VALENCE PARAMETERS; 2ND-HARMONIC GENERATION; FRAMEWORK; NONMETAL;
D O I：
10.1016/j.inoche.2017.09.006
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A new mixed alkali metal borate LiCs[B5O8(OH)]center dot H2O (1) has been made under solvothermal conditions and characterized by single-crystal X-ray diffraction, IR spectroscopy, diffuse-reflectance spectroscopy, powder Xray diffraction and thermogravimetric analysis, respectively. 1 crystallizes in the monoclinic space group P2(1)/c, a = 10.1523(9) angstrom, b = 8.4516(6) angstrom, c = 122178(17)angstrom, beta = 122.522(8)degrees, V = 883.93(14) angstrom(3) and Z = 4.1 exhibits a novel fluctuant anionic [beta O-5(8)(OH)(n)(2n-) layers based on the unusual beta O-5(10)(OH) oxoboron clusters, showing a four-connected spl topology net with the Schlafli symbol of {4(4).6(2)}. The layers are further linked via the Li-O-Cs chains and H-bonds to form a new 3-D structure. The cutoff edge of 1 is below 190 nm and it has a band gap of 5.82 eV. (C) 2017 Elsevier B.V. All rights reserved.
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页码：18 / 21
页数：4
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