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首次合成了一个新的多金属簇化合物,通过元素分析、IR光谱、UV-VIS-NIR反射光谱、ESR谱以及单晶X-射线衍射对其进行了表征,晶体学参数为:三斜晶系,P-1空间群,a=11.5499(17),b=12.9776(16),c=20.3895(25),α=90.72(1)°,β=91.35(1)°,γ=111.43(1)°,V=2843.40(1237)3,化学组成为(C10H10N3)3PMo12O40。Keggin型聚阴离子[PMo12O40]3-与质子化的2,2’-二吡啶胺之间形成一个三维超分子网状结构。部分质子化的2,2’-二吡啶胺间因π-π作用诱导按Z型链规则排列。将(C10H10N3)3PMo12O40应用于电极修饰,在ClO-3的电催化还原反应中表现出优良的性能。
A novel polymetal cluster compound was synthesized for the first time and characterized by elemental analysis, IR spectroscopy, UV-VIS-NIR reflectance spectroscopy, ESR spectroscopy and single crystal X-ray diffraction. The crystallographic parameters are: triclinic A = 11.5499 (17) , b = 12.9776 (16) , c = 20.3895 (25) , α = 90.72 (1) °, β = 91.35 (1) °, γ = 111.43 (1) °, V = 2843.40 (1237) 3, chemical composition: (C10H10N3) 3PMo12O40. Keggin type polyanion [PMo12O40] 3- and protonated 2,2’-dipyridyl amine form a three-dimensional supramolecular network structure. Some of the protonated 2,2’-bipyridyl amines induced by π-π interaction are arranged by Z-chain rules. The application of (C10H10N3) 3PMo12O40 to electrode modification showed excellent performance in the electrocatalytic reduction of ClO-3.