首页> 中文期刊>高等学校化学学报 >含氮螯合配体过渡金属配合物修饰的缺位型Keggin多酸盐

含氮螯合配体过渡金属配合物修饰的缺位型Keggin多酸盐

     

摘要

在常温条件下合成了铜-邻菲啰啉修饰的结构独特的多酸衍生物H_4[Cu(phen)(H_2O)][Cu(phen)]·[α-SiW_(11)O_(39)]·3H_2O(1). 该化合物分子中2个独立的非二聚体的铜-邻菲啰啉平行地与缺位多酸空穴外的氧配位键合, 通过元素分析、红外光谱、热重分析和X射线单晶衍射对其结构进行了表征. 结果表明, 该化合物属三斜晶系, P1空间群, 晶胞参数a=1.3624(2) nm, b=1.4133(2) nm, c=2.0470(3) nm, α=97.840(3)°, β=95.117(3)°, γ=112.483(3)°.%A new monovacant polyoxometalates-based complex H_4 [Cu(phen )(H_2O)][Cu( phen ) ]·[α-SiW_(11)O_(39)]·3H_2O was synthesized under conventional conditions. In compound 1, two independent other than dimerized copper-phenanthroline graups are fused to the oxggen atoms in the vacant site of the mono-lacu-nary polyanton in parallel. It crystallizes in the triclinic space group P(1) with a = 1.3624(2) nm, b = 1.4133 (2) nm, c=2.0470(3) nm, α=97.840(3)°,β=95.117(3)°,γ= 112.483(3)°, V=3.5645 (10) nm~3, D_c =3.006 g /cm~3, Z = 2. Structure of compound 1 was characterized via elemental analysis, IR, single crystal XRD and cyclic voltammetry methods.

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