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Synthesis, crystal structure and properties of a novel inorganic-organic hybrid material Mo8O26(H2bpy)2 (bpy=4,4'-bipyridine)
Author(s): LUO XinZe, GUO HongYou, YU JingHua
Pages: 267-
270
Year: 2007
Issue:
3
Journal: JOURNAL OF BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY(NATURAL SCIENCE EDITION)
Keyword: 无机-有机杂化材料; 钼-氧簇合物; 4; 4'-联吡啶; 溶剂热合成; 晶体结构;
Abstract: 以(NH4)6[Mo7O24]·4H2O、Co(NO3)2·6H2O、4,4'-联吡啶、冰乙酸和无水乙醇为原料,在150℃下反应3d,得到粉绿色晶体Mo8O26(H2bpy)2 .通过红外光谱、元素分析和单晶X-射线衍射法表征该无机-有机杂化材料的结构.结果表明:该晶体属单斜晶系,Pī空间群;晶胞参数a=10.7200(6)(A),b=15.1819(9)(A), c=10.7464(6)(A),β=93.7930(10)°,V=1745.15(17)(A)3, Z=4;用6518个独立衍射点(R(int)=0.0185)精修结构,最终残差因子R1=0.0239, wR2=0.0261.通过UV/VIS/NIR反射光谱的研究表明,此杂化材料对太阳辐射具有选择性的吸收;同时探讨了反应条件对合成产物的影响.本晶体结构数据已收录于英国剑桥晶体学数据库,编号为:CCDC 286752.
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