Peroxo-complexes: triperoxovanadates(V) complexes

J. Sala-Pala, J. Guerchais
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引用次数: 4

Abstract

Triperoxovanadates of the type MI[V(O–O)3(AA)],nH2O and MI3[V(O–O)3(AA)′],H2O [M1= NH4, K or Na;(AA)= phen or bipy; (AA)′= C2O4(phen = 1,10-phenanthroline, bipy = 2,2′-bipyridyl)] have been prepared by reaction of the ligands with solutions of metavanadates in hydrogen peroxide. The molar conductivities of these salts in aqueous solution show the presence of 1 : 1 and 3 : 1 electrolytes. The existence, splitting, and shift of some i.r. bands including, in the 550–650 cm–1 region, bands assigned to the [graphic omitted] group show that the peroxophen, bipy and oxalato-groups are co-ordinated as bidentate ligands. U.v. spectra, magnetic susceptibilities, and an X-ray analysis are also reported. These complexes, in which the vanadium is probably eight-co-ordinate, are compared with the corresponding niobium and tantalum derivatives.
过氧配合物:三过氧钒酸盐(V)配合物
MI[V(O-O)3(AA)]、nH2O和MI3[V(O-O)3(AA) ']、H2O [M1= NH4、K或Na;(AA)= phen或bipy;(AA)′= C2O4(phen = 1,10-菲罗啉,bipy = 2,2′-联吡啶)]与偏胍酸盐溶液在过氧化氢中反应制备。这些盐在水溶液中的摩尔电导率表明存在1:1和3:1电解质。在550-650 cm-1的区域,一些红外波段的存在、分裂和移位,包括[图中省略的]基团的波段,表明过氧酚、bipy和草酸盐基团作为双齿配体进行配位。紫外光谱、磁化率和x射线分析也被报道。这些配合物,其中的钒可能是八坐标,与相应的铌和钽衍生物进行比较。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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