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A One-Dimensional Coordination Polymer Constructed from Cadmium(II) Cations and Sparfloxacinate Anions
School of Chemistry and Life Science, Guangdong University of Petrochemical Technology, Maoming 525000, China
Department of Pharmacy, Mudanjiang Medical University, Heilongjiang 157011, China
Department of Chemistry, University of Aberdeen, Meston Walk, Aberdeen AB24 3UE, UK
* Author to whom correspondence should be addressed.
Received: 28 June 2012; in revised form: 22 August 2012 / Accepted: 1 September 2012 / Published: 28 September 2012
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  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
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MDPI and ACS Style
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.
An Z, Gao J, Harrison WTA. A One-Dimensional Coordination Polymer Constructed from Cadmium(II) Cations and Sparfloxacinate Anions. Crystals. 2012; 2(4):1366-1373.
An, Zhe; Gao, Jing; Harrison, William T. A. 2012. "A One-Dimensional Coordination Polymer Constructed from Cadmium(II) Cations and Sparfloxacinate Anions." Crystals 2, no. 4: 1366-1373.