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由联咪唑与K6P2W18O62·nH2O合成了基于Dawson型杂多化合物[(C6H4N4)2·P2W18O62·11(H2O)],并通过元素分析、X-射线单晶衍射仪、红外光谱等确定了该化合物的晶体结构.单晶结构解析结果表明晶体属单斜晶系,空间群为C2/C,晶胞参数:a=2.26349(13),b=1.43798(8),c=2.19657(12),β=97.4400(10),Z=4,V=7.0893(7)nm3,R1=0.0545,ωR2=0.1540.化合物分子由一个P2W18O62阴离子、两个联咪唑和11个水分子组成.
Dawson-type heteropoly compound [(C6H4N4) 2 · P2W18O62 · 11 (H2O)] was synthesized from biimidazole and K6P2W18O62 · nH2O and characterized by elemental analysis, X-ray single crystal diffractometry and infrared spectroscopy The crystal structure of the crystal structure is analyzed.The results show that the crystal belongs to the monoclinic system with C2 / C space group, the unit cell parameters are a = 2.26349 (13), b = 1.43798 (8), c = 2.19657 97.4400 (10), Z = 4, V = 7.0893 (7) nm3, R1 = 0.0545, ωR2 = 0.1540. The compound molecule consists of one P2W18O62 anion, two biimidazoles and 11 water molecules.