聚[[μ-水-四水双(μ-2-羟基-4-氧代环丁-1-烯-1,3-二醇根)锶]半水合物]
Poly[[μ-aqua-tetraaquabis(μ-2-hydroxy-4-oxocyclobut-1-ene-1,3-diolato)strontium] hemihydrate].
作者信息
Bouhali Amira, Trifa Chahrazed, Bouacida Sofiane, Boudaren Chaouki, Bataille Thierry
出版信息
Acta Crystallogr Sect E Struct Rep Online. 2011 Aug 1;67(Pt 8):m1130-1. doi: 10.1107/S1600536811028704. Epub 2011 Jul 23.
In the title coordination polymer, {[Sr(C(4)HO(4))(2)(H(2)O)(5)]·0.5H(2)O}(n), the Sr(2+) ion is coordinated by three monodentate hydrogensquarate (hsq) anions and six aqua ligands in a distorted SrO(9) monocapped square-anti-prismatic geometry. The hsq anions and water mol-ecules bridge the metal ions into infinite sheets lying parallel to (100). The O atom of the uncoordinated water mol-ecule lies on a crystallographic twofold axis. The packing is stabilized by numerous O-H⋯O hydrogen bonds.
在标题配位聚合物{[Sr(C₄HO₄)₂(H₂O)₅]·0.5H₂O}ₙ中，Sr²⁺离子由三个单齿的丁炔二酸根（hsq）阴离子和六个水配体配位，形成扭曲的SrO₉单帽四方反棱柱几何构型。hsq阴离子和水分子将金属离子桥连形成平行于(100)的无限层。未配位水分子的O原子位于晶体学二重轴上。堆积通过大量的O—H⋯O氢键得以稳定。
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