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Hydrothermal Synthesis, Structural Characterization and Properties of Mixed Valent Decavanadium Oxide [Co_2Cl_8V_(10) O_(18)(H_2O)]Cl_2·6H_2O with Novel Three-dimensional Framework

查看全文 作　　者：WU Ping song, XU Lin, WANG En bo ** and HU Chang wen Faculty of Chemistry, Northeast Normal University, Changchun 130024, P. R. China 高影响力作者 出　　处：《Chemical Research in Chinese Universities》索引2003年第19卷第2期,共5页高影响力期刊 基　　金：Supported by the National Natural Science Foundation of China(No.2 0 1710 10 ) . 摘　　要：Decavanadium oxide [Co 2Cl 8V 10 O 18 (H 2O)]Cl 2·6H 2O was synthesized hydrothermally with NH 4VO 3, Na 2MoO 4·2H 2O, H 3PO 4(85%), CoCl 2·6H 2O and hexamethylenetetraamine. The X ray diffraction analysis showed that [Co 2Cl 8V 10 O 18 (H 2O)]Cl 2·6H 2O crystallized in a monoclinic crystal system, the space group was C2/m with cell parameters a =1 6065(3) nm, b =2 2699(5) nm, c =1 3897(3) nm, β = 125.29(3)°, V =4 1363(14) nm 3, Z =2 and the final R =0 06, wR =0 1926. Its crystal structure is a 3 D open framework constructed by VO x polyhedra and CoCl 4 tetrahedra with channels along the crystallographic axes a, b, and c . 关 键 词：水热合成 结构表征 [Co2Cl8V10O18(H2O)]Cl2·6H2O 钴 钒 复合氧化物 三维空间结构
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