(CH3NH3)2[Ge(B4O9)]: An organically-templated chiral borogermanate with second-order nonlinear and ferroelectric properties

被引：32
作者：
Cao, Gao-Juan [1 ]
Fang, Wei-Hui [1 ]
Zheng, Shou-Tian [1 ]
Yang, Guo-Yu [1 ]
机构：
[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2010年 / 13卷 / 09期
关键词：
Borogermanate; Solvothermal synthesized; SHG; Ferroelectric property; OPTICAL MATERIALS; 12-RING CHANNELS; 24-RING CHANNELS; 1ST EXAMPLES; FRAMEWORK; ZEOLITE; UNITS; PHOSPHATE; CLUSTER; TETRAHEDRA;
D O I：
10.1016/j.inoche.2010.06.007
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
An organically-templated chiral borogermanate (CH3NH3)(2)[Ge(B4O9)] (1), has been solvothermally synthesized and characterized by elemental analysis, IR, PXRD, TGA, single-crystal X-ray diffraction and UV-vis spectrum. It crystallized in the monoclinic space group C2 (No. 5) with a=10.249(1) angstrom, b=9.449(1) angstrom, c=6.956(2)angstrom, beta=131.76(2)degrees, V=502.43(19)angstrom(3), Z=2. The structure is constructed by alternate linkage of GeO4 tetrahedra and B4O9 clusters to form a zeotype framework with diamond topology. Four intersecting channels with different sizes are observed. Large circular 10-ring channels are clearly extended along the [001] direction, 9-ring channels are running along the [101], [110], and [112] directions, respectively. Additionally, two pairs of the right- and left-handed channels couple together along the [100] and [010] directions, respectively. The preliminary investigations show that compound 1 exhibits second-harmonic generation (SHG) response and ferroelectric properties. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：1047 / 1049
页数：3
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