Hydrothermal syntheses and structural characterizations of three polyoxomolybdates frameworks linked by M(HL)_2 units(M=Co,Ni,Zn;L=3-(2-pyridyl)pyrazole)  

作　　者：ZHANG XiuTang WU XiaoYuan SUN DaoFeng WEI PeiHai NI ZhongHai DOU JianMin LI DaCheng SHI CongWen HU Bo 

机构地区：[1]Advanced Material Institute of Research,Department of Chemistry and Chemical Engineering,Qilu Normal University,Jinan 250013,China [2]School of Chemistry and Chemical Engineering,Shandong University,Jinan 250100,China [3]State Key Laboratory of Structural Chemistry,Fujian Institute of Research on the Structure of Matter,Chinese Academy of Sciences,Fuzhou 350002,China [4]College of Chemistry and Chemical Engineering,Liaocheng University,Liaocheng 252059,China

出　　处：《Science China Chemistry》2010年第11期2285-2290,2407-2408,共8页中国科学(化学英文版)

基　　金：supported by the Chinese Academy of Sciences ("Hundred Talents Program");Ministry of Science and Technology of China (2007CB607606);Shandong Provincial Education Department and Qilu Normal University

摘　　要：Three polyoxomolybdate compounds,namely {[MII(HL)2]2(Mo8O26)}n(M = Co(1),Ni(2),Zn(3))(HL,3-(2-pyridyl)pyrazole),were designed and synthesized under the hydrothermal conditions and characterized by elemental analysis,IR spectroscopy,and TGA.Single-crystal X-ray diffraction analysis results reveal that compounds 1-3 own the isostructural chain structure consisting of the β-[Mo8O26]4- anions,which are linked by M(HL)22+ units via the terminal oxygen atoms.TGA curves show that the organic ligands separate from the related compounds above ca.673 K.Three polyoxomolybdate compounds,namely {[MII(HL)2]2(Mo8O26)}n(M = Co(1),Ni(2),Zn(3))(HL,3-(2-pyridyl)pyrazole),were designed and synthesized under the hydrothermal conditions and characterized by elemental analysis,IR spectroscopy,and TGA.Single-crystal X-ray diffraction analysis results reveal that compounds 1-3 own the isostructural chain structure consisting of the β-[Mo8O26]4- anions,which are linked by M(HL)22+ units via the terminal oxygen atoms.TGA curves show that the organic ligands separate from the related compounds above ca.673 K.

关 键 词：POLYOXOMOLYBDATE 3-(2-pyridyl)pyrazole COBALT nickel zinc 

分 类 号：O631.3[理学—高分子化学]