catena-Poly[[diaqua-strontium]-bis-(μ-2-bromo-benzoato)-κO,O':O';κO:O,O'].

Acta Crystallogr Sect E Struct Rep Online

College of Material Science and Chemical Engineering, Jinhua College of Profession and Technology, Jinhua, Zhejiang 321017, People's Republic of China.

Published: November 2009

AI Article Synopsis

  • The hydro-thermal reaction between SrCO(3) and 2-bromo-benzoic acid in a methanol-water mixture produced a polymeric complex, [Sr(C(7)H(4)BrO(2))(2)(H(2)O)(2)](n).
  • The Sr(II) ion, which lies on a twofold symmetry axis, is coordinated by eight oxygen atoms from water molecules and carboxylate groups, creating an irregular geometry.
  • The structure features chain formations connected by hydrogen bonds, resulting in a three-dimensional supra-molecular network.

Article Abstract

The hydro-thermal reaction of SrCO(3) and 2-bromo-benzoic acid in CH(3)OH-H(2)O afforded the Sr(II) title polymeric complex, [Sr(C(7)H(4)BrO(2))(2)(H(2)O)(2)](n). Within the coordination sphere, the Sr(II) ion is located on a crystallographic twofold axis, and is coordinated by eight O atoms from two water mol-ecules and four carboxyl-ate groups of 2-bromo-benzoate ligands in an irregular coordination geometry. Two μ(3)-carboxyl-ate groups of the 2-bromo-benzoate anions bridge two symmetry-related Sr(II) atoms, giving rise to a chain structure extending along [001]. The polymeric chains are connected via O-H⋯O and O-H⋯Br hydrogen bonds inter-actions into a three-dimensional supra-molecular network.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2972083PMC
http://dx.doi.org/10.1107/S1600536809045395DOI Listing

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