Hydrothermal syntheses and crystal structures of three zinc succinates: Zn(C4H4O4)-a, Zn(C4H4O4)-b and K2Zn(C4H4O4)2

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Abstract

Three zinc succinate coordination polymers have been synthesised hydrothermally. Two polymorphs of Zn(C4H4O4) adopt three-dimensional structures consisting of tetrahedral Zn atoms isolated from each other via bis-bidentate succinate moieties. The polymorphs differ in the conformation of the succinate group, the alpha form (I) having syn-periplanar geometry whereas the beta form (II) has anti-periplanar geometry. K2Zn(C4H4O4)(2) (III) has a layered structure also composed of isolated tetrahedral Zn units. In this case the two crystallographically distinct succinate groups, one of each conformer, have bis-monodentate coordination, acting as both inter- and intra-layer bridges between neighbouring Zn-containing layers. The 'double' zinc succinate layers are separated along the b-axis by interlayer potassium ions.

Original languageEnglish
Pages (from-to)936-939
Number of pages4
JournalDalton Transactions
Issue number5
DOIs
Publication statusPublished - 2003

Keywords

  • COBALT(II) CARBOXYLATE
  • HYBRID MATERIAL

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