Two additive-induced isomeric aluminoborates templated by methylamine

被引:48
作者
Cao, Gao-Juan [1 ]
Lin, Jian [3 ]
Wang, Jin-Yun [1 ]
Zheng, Shou-Tian [1 ]
Fang, Wei-Hui [1 ]
Yang, Guo-Yu [1 ,2 ]
机构
[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
[2] Beijing Inst Technol, Dept Chem, Beijing 100081, Peoples R China
[3] Xiamen Univ, Xiamen 361005, Fujian, Peoples R China
关键词
NONLINEAR-OPTICAL PROPERTIES; OPEN-FRAMEWORK; CRYSTAL-STRUCTURE; HELICAL CHANNELS; 1ST EXAMPLES; BOROGERMANATE; BORATE; BOROPHOSPHATE; TOPOLOGY; ZEOLITE;
D O I
10.1039/c0dt00303d
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Two additive-induced isomeric aluminoborates, (CH3NH3)(2)(H2O)(2)[Al(B5O10)] (1) and (CH3NH3)(H2O)[Al(B5O10)] (2), have been obtained by using small methylamine molecules as structure directing agents (SDA) under solvothermal conditions and characterized by elemental analysis, IR, TGA, powder X-ray diffraction, single-crystal X-ray diffraction, NLO determination, UV-vis spectral investigation, electronic structure calculation and ion exchange. Different arrangements of B5O10 units and AlO4 tetrahedra results in two different structures with two pairs of helical channels along [100] and [010] directions, respectively. Interestingly, the two frameworks with noncentrosymmetric and chiral space groups separately exhibit the same diamond topologies and display good second harmonic generation efficiencies of about 2.0 times the value of KDP.
引用
收藏
页码:8631 / 8636
页数:6
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