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首页> 外文期刊>Crystal growth & design >Enantiomorphic helical coordination polymers of {[M(pyrimidine)(OH2)(4)][SiF6]center dot H2O}(infinity) (M = Co2+, Cu2+, Zn2+)
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Enantiomorphic helical coordination polymers of {[M(pyrimidine)(OH2)(4)][SiF6]center dot H2O}(infinity) (M = Co2+, Cu2+, Zn2+)

机译:{[M(嘧啶)(OH2)(4)] [SiF6]中心点H2O}(无穷大)的对映体螺旋配位聚合物(M = Co2 +,Cu2 +,Zn2 +)

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摘要

Helical coordination complexes, {[M(pyrimidine)(OH2)(4)][SiF6]-H2O}(infinity); (M = CO, 1; Cu, 2; Zn, 3), were inadvertently but reproducibly isolated when corresponding metal tetrafluoroborates were reacted with pyrimidine in glass vials in 1:1 molar ratios. The crystal structures of complexes 1-3 revealed spontaneously resolved helical coordination polymers in enantiomorphic space groups P4(3)2(1)2 (1) and P4(1)2(1)2 (2 and 3) despite the high molecular symmetry associated with the constituent building blocks. The individual helical polymer chains were linked together by hydrogen bonding involving the H2O solvent and SiF62- anions to form a topologically complex three-dimensional network.
机译:螺旋配位络合物,{[M(嘧啶)(OH2)(4)] [SiF6] -H2O}(无穷大);当相应的四氟硼酸金属盐与嘧啶在玻璃小瓶中以1:1的摩尔比反应时,(M = CO,1; Cu,2; Zn,3)被无意间分离但可重现地分离。配合物1-3的晶体结构显示自发解析的螺旋配位聚合物在对映空间组P4(3)2(1)2(1)和P4(1)2(1)2(2和3)中尽管具有高分子对称性与组成构建块相关联。单个的螺旋聚合物链通过涉及H2O溶剂和SiF62-阴离子的氢键连接在一起,形成拓扑复杂的三维网络。

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