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[（2,2’-bipy）₂VO₂]（H₂BO₃）·3H₂O的水热合成和晶体结构

Hydrothermal Synthesis and Single-Crystal Structure of [（2,2’-bipy）₂VO₂]（H₂BO₃）·3H₂O

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【Author】 YANG Yu Lin1,2 WANG Yong Hui2 HU Chang Wen*,2 HAN Zheng Bo2 WANG En Bo2 (1Faculty of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar 161006) (2Institute of Polyoxometalate Chemistry, Faculty of Chemistry, Northeast Normal University, Changchun 130024)

【机构】齐齐哈尔大学化学化工学院,东北师范大学化学学院多酸化学研究所,东北师范大学化学学院多酸化学研究所,东北师范大学化学学院多酸化学研究所,东北师范大学化学学院多酸化学研究所齐齐哈尔161006；东北师范大学化学学院多酸化学研究所,长春130024,长春130024,长春130024,长春130024,长春130024；

【Abstract】 A hydrothermal reaction of NaVO3, Ce(NO3)3, H3BO3, 2,2′ bipyridine and water in a molar of 1∶2∶3∶2∶333 gives a yellow crystal [(C10H8N2)2VO2](H2BO3)·3H2O. It crystallizes in a triclinic with space group and unit cell parameters a=0.6643(1)nm, b=1.1794(2)nm, c=1.4822(3)nm, α=101.39(3)°, β=101.59(3)°, γ=97.15(3)°, Z=2, Dc=1.542g·cm-3, μ=0.508mm-1, F(000)=528, R1=0.0736, wR2=0.1998,Goof=1.071. X ray crystallographic study showed that the VN4O2 octahedron unit is distorted, in which the V1 atom is coordinated by two terminal O1 and O2 atoms, and N1, N2, N3 and N4 atoms from two 2,2′ bipy ligands. The hydrogen bonding are observed between 2,2′ bipy and adjacent terminal oxygen atom. It is noteworthy that π πstacking interaction between adjacent 2,2′ bipy groups plays an significant role in stabilization of the structure of crystal. CCDC: 194327.更多还原

【关键词】水热合成；晶体结构；钒氧配合物； π-π堆积；
【Key words】 hydrothermal synthesis crystal structure oxovanadium complex π πstacking interaction；

【基金】国家自然科学基金资助项目(No.20071007)。