A one-dimensional coordination polymer constructed from cadmium(II) cations and sparfloxacinate anions

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Abstract

The synthesis and crystal structure of the one-dimensional coordination polymer, [Cd(spar)2]n•n(H2O), are described, where spar- is the sparfloxacinate anion, C19H21N4O3F2 -. The Cd2+ ion is bonded to four spar- ligands: Two O,O-chelate with their β-keto carboxylate groupings and two are monodentate-bound through a carboxylate O atom, to result in a distorted CdO6 octahedral coordination geometry. The bridging ligands lead to [100] polymeric chains in the crystal and N-H⋯O hydrogen bonds and possible weak aromatic p-p stacking interactions help to consolidate the structure. Crystal data: C38H44CdF4N8O7, Mr = 913.21, triclinic, (No. 2), Z = 2, a = 9.2256(4) Å, b = 12.8767(5) Å, c = 17.4297(7) Å, α = 89.505(2)°, β = 85.062(2)°, g = 70.757(2)°, V = 1947.20(14) Å3, R(F) = 0.036, wR(F2) = 0.082.

Original languageEnglish
Pages (from-to)1366-1373
Number of pages8
JournalLiquid Crystals
Volume2
Issue number4
Early online date28 Sep 2012
DOIs
Publication statusPublished - 28 Sep 2012

Keywords

  • Cadmium
  • One-dimensional coordination polymer
  • Sparfloxacin

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