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

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 P1 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, D_c=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-π stacking interaction between adjacent 2,2′-bipy groups plays an significant role in stabilization of the structure of crystal. CCDC: 194327.