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Crystals 2012, 2(4), 1366-1373; doi:10.3390/cryst2041366
Short Note

A One-Dimensional Coordination Polymer Constructed from Cadmium(II) Cations and Sparfloxacinate Anions

1 School of Chemistry and Life Science, Guangdong University of Petrochemical Technology, Maoming 525000, China 2 Department of Pharmacy, Mudanjiang Medical University, Heilongjiang 157011, China 3 Department of Chemistry, University of Aberdeen, Meston Walk, Aberdeen AB24 3UE, UK
* Author to whom correspondence should be addressed.
Received: 28 June 2012 / Revised: 22 August 2012 / Accepted: 1 September 2012 / Published: 28 September 2012
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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.
Keywords: one-dimensional coordination polymer; sparfloxacin; cadmium one-dimensional coordination polymer; sparfloxacin; cadmium
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An, Z.; Gao, J.; Harrison, W.T.A. A One-Dimensional Coordination Polymer Constructed from Cadmium(II) Cations and Sparfloxacinate Anions. Crystals 2012, 2, 1366-1373.

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