A linear bridging angle in the pyrovanadate group within the crystal structure of Hg2V2Te2O11

Matthias Weil

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A linear bridging angle in the pyrovanadate group within the crystal structure of Hg2V2Te2O11

机译：HG2V2T2O11晶体结构内的Pyrovanadate组中的线性桥接角度

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The title compound, dimercury(II) divanadium(V) ditellurium(IV) undeca-oxide, Hg2V2Te2O11, is a new representative within the family of divalent oxovanadato(V)tellurates(IV). The anionic framework is made up of disphen-oidal [TeO4] polyhedra that are linked by corner-sharing to two neighbouring pyrovanadate units, resulting in chains of six-membered rings propagating parallel to [110]. The bridging O atom of the pyrovanadate unit is located on an inversion centre, leading to a staggered conformation and a linear V—O—V angle between the two [VO4] tetrahedra. The anionic chains are connected by interjacent six-coordinate Hg2+ cations into a three-dimensional framework. The 5s2 lone electron pair of the TeIV atom is stereochemically active and protrudes into the free space of the chain links.

机译：标题化合物，DiMercury（ii）二砷化铵（V）二核（IV）Undeca-oxide，HG2V2T2O11是二价氧化酯（V）碲化物（IV）的新代表。阴离子框架由Disphen-oidal [Teo4]多面体组成，该多面体由角落共用连接到两个相邻的杂种物单位，导致六元环的链平行于[110]。 PyrovanaTe单位的桥接O原子位于反转中心，导致两个[VO4]四面体之间的交错构象和线性V-O-V角。阴离子链通过间隔的六坐标HG2 +阳离子连接到三维框架中。 TEIV原子的5S2孤电子对立体化学活性并突出到链节的自由空间中。

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《Acta crystallographica. Section C, Structural chemistry.》 |2015年第8期|共5页
作者
Matthias Weil;
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Institute for Chemical Technologies and Analytics Division of Structural Chemistry TU Wien;

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正文语种 eng
中图分类晶体学;
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A linear bridging angle in the pyrovanadate group within the crystal structure of Hg2V2Te2O11

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