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首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Crystal structure of catena-poly[[tri­methyl­tin(IV)]-μ-2-(2-nitro­phen­yl)acetato-κ2O:O′]
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Crystal structure of catena-poly[[tri­methyl­tin(IV)]-μ-2-(2-nitro­phen­yl)acetato-κ2O:O′]

机译:链状聚[[三甲基锡(IV)]-μ-2-(2-硝基苯基)乙酰-κ2O:O']的晶体结构

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In the title one-dimensional coordination polymer, [Sn(CH3)3(C8H6NO4)]n, the SnIV atom is coordinated by three methyl C atoms and two carboxyl­ate O atoms (one symmetry generated), resulting in an almost regular SnC3O2 trigonal pyramid. The C atoms occupy the equatorial sites and the O atoms occupy the axial sites. In the ligand, the dihedral angles between the benzene ring and the pendant acetate and nitro groups are 57.7 (1) and 36.9 (3)°, respectively. The bridging ligand leads to [010] chains in the crystal, with adjacent metal atoms related by a 21 screw axis. A weak π–π inter­action exists between the centroids of symmetry-related benzene rings at a distance of 3.9131 (19) Å.
机译:在标题一维配位聚合物[Sn(CH3)3(C8H6NO4)] n中,SnIV原子由三个甲基C原子和两个羧基O原子配位(产生一个对称性),从而形成了几乎规则的SnC3O2三棱锥。 C原子占据赤道位点,O原子占据轴向位点。在该配体中,苯环与乙酸酯侧基和硝基之间的二面角分别为57.7°(1)和36.9°(3)°。桥连的配体导致晶体中的[010]链,相邻的金属原子由21个螺旋轴关联。对称相关苯环的重心之间存在弱的π-π相互作用,距离为3.9131(19)Å。

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