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Cu(SO3)(4)(7-): A readily accessible building block for new coordination polymers

机译:Cu(SO3)(4)(7-):一种易于获得的新型配位聚合物构建基块

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摘要

The combination of Cu(II) with excess sodium sulfite or a mixture of sodium sulfite and sodium hydrogensulfite produces a colorless solution consistent with the reduction of Cu(II) to Cu(I). The addition of divalent metal ions such as Mn2+, Co2+, Ni2+ and Zn2+ to such solutions, leads to the generation of coordination networks in which the divalent metal ions link together anions of formula Cu(SO3)(4)(7-). This symmetrical anion consists of a tetrahedrally coordinated Cu(I) center bound to the sulfur atoms of four sulfite anionic Ligands. Isostructural 1D coordination polymers of composition Na-3{[Cu-I(SO3)(4)][Zn-II(H2O)(2)](2)}center dot H2O and Na-3{[Cu-I(SO3)(4)][Co-II(H2O)(2)](2)}center dot H2O, isostructural 2D coordination polymers of composition [Na-4(H2O)(17)][Ni(H2O)(6)](2){[Cu(SO3)(4)](2)-[Ni(H2O)(2)](3)} and [Na-4(H2O)(17)][Co(H2O)(6)](2){[Cu(SO3)(4)](2)[Co(H2O)(2)](3)}, and a 3D coordination polymer of composition Na(H2O)(6)-{[Cu-I(SO3)(4)][Mn-II(H2O)(2)](3)} are reported.
机译:Cu(II)与过量的亚硫酸钠或亚硫酸钠和亚硫酸氢钠的混合物的组合产生无色溶液,与Cu(II)还原为Cu(I)一致。向此类溶液中添加二价金属离子(例如Mn2 +,Co2 +,Ni2 +和Zn2 +)会导致生成配位网络,其中二价金属离子将式Cu(SO3)(4)(7-)的阴离子连接在一起。该对称阴离子由与四个亚硫酸根阴离子配体的硫原子结合的四面体配位的Cu(I)中心组成。组成为Na-3 {[Cu-I(SO3)(4)] [Zn-II(H2O)(2)](2)}中心点H2O和Na-3 {[Cu-I(SO3 )(4)] [Co-II(H2O)(2)](2)}中心点H2O,组成为[Na-4(H2O)(17)] [Ni(H2O)(6)]的同构2D配位聚合物(2){[Cu(SO3)(4)](2)-[Ni(H2O)(2)](3)}和[Na-4(H2O)(17)] [Co(H2O)(6) ](2){[Cu(SO3)(4)](2)[Co(H2O)(2)](3)},以及组成为Na(H2O)(6)-{[Cu-报告了I(SO 3)(4)] [Mn-II(H 2 O)(2)](3)}。

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