Synthesis,Crystal Structure,Vibrational Spectroscopy,and Thermal Behavior of Y[B_2O_3(OH)]_3  

作　　者：孙化雨 周燕 黄雅熙 孙炜 宓锦校 

机构地区：[1]Department of Materials Science and Engineering,College of Materials,Xiamen University

出　　处：《Chinese Journal of Structural Chemistry》2010年第9期1387-1393,共7页结构化学（英文）

基　　金：Supported by the National Natural Science Foundation of China (No.40972035)

摘　　要：The hydroxy yttrium hexaborate,Y[B2O3（OH）]3,has been synthesized under mild hydrothermal conditions at 458 K.The crystal structure was solved and refined from single-crystal X-ray diffraction.It adopts a trigonal space group R3c（No.161） with a = 8.3942（4）,c = 20.6484（12） ,V = 1260.03（12） 3,YB6H3O12,Mr = 348.79,Z = 6,Dc = 2.758 g/cm3,F（000） = 1008,μ = 7.015 mm-1,R = 0.0321 and wR = 0.0772.Its crystal structure is made up of six-membered rings,alternating three-connected [BO3（OH）] tetrahedra and planar [BO3] trigonal groups,which are interconnected with each other by sharing their common oxygen corners to form a three-dimensional framework structure with six-membered ring channels that are occupied by the yttrium atoms and run along the c axis.FT-IR,Raman,and TG-DTA results are also presented.The hydroxy yttrium hexaborate,Y[B2O3（OH）]3,has been synthesized under mild hydrothermal conditions at 458 K.The crystal structure was solved and refined from single-crystal X-ray diffraction.It adopts a trigonal space group R3c（No.161） with a = 8.3942（4）,c = 20.6484（12） ,V = 1260.03（12） 3,YB6H3O12,Mr = 348.79,Z = 6,Dc = 2.758 g/cm3,F（000） = 1008,μ = 7.015 mm-1,R = 0.0321 and wR = 0.0772.Its crystal structure is made up of six-membered rings,alternating three-connected [BO3（OH）] tetrahedra and planar [BO3] trigonal groups,which are interconnected with each other by sharing their common oxygen corners to form a three-dimensional framework structure with six-membered ring channels that are occupied by the yttrium atoms and run along the c axis.FT-IR,Raman,and TG-DTA results are also presented.

关 键 词：hydroxy yttrium borate crystal structure vibrational spectroscopy thermal analysis 

分 类 号：O614.322[理学—无机化学]