crystal structure of poly[[μ2-diaqua-diaqua-μ2-l-proline-κ2o:o′-strontium] dibromide]

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ID: 211147
2015
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Abstract
In the title coordination polymer, {[Sr(C5H9NO2)(H2O)4]Br2}n, the proline molecule exists in a zwitterionic form with one of the ring C atoms disordered over two sites [site-occupancy factors = 0.57 (6):0.43 (6)]. The SrII ion is nine-coordinated by six water O atoms, two monodentate and two μ2-bridging, and three carboxylate O atoms of the proline ligands, with two bridging [Sr—O range = 2.524 (4)–2.800 (5) Å]. In the crystal, there is no direct interaction between the proline molecules. However, the proline and water molecules associate with the bromide counter-anions through a number of intermolecular O—H...Br and N—H...Br hydrogen-bonding interactions, giving a three-dimensional supramolecular structure.
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sathiskumar2015actacrystal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Selladurai Sathiskumar, Thangavelu Balakrishnan, Kandasamy Ramamurthi, Subbiah Thamotharan
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Journal Disability and rehabilitation
Year 2015
DOI
10.1107/S2056989015017302
URL
http://scripts.iucr.org/cgi-bin/paper?S2056989015017302
Keywords
crystal structure proline amino acid

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