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A novel one-dimensional Co(II) coordination polymer: catena-poly[[hexaaquacobalt(II)] [[diaquabis(sulfato-κO)cobalt(II)]-μ-4,4'-bipyridine-κ(2)N:N'] [[triaqua(sulfato-κO)cobalt(II)]-μ-4,4'-bipyridine-κ(2)N:N']].
MedLine Citation:
PMID:  22935495     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The title compound, {[Co(H(2)O)(6)][Co(SO(4))(C(10)H(8)N(2))(H(2)O)(3)][Co(SO(4))(2)(C(10)H(8)N(2))(H(2)O)(2)]}(n), contains three crystallographically unique Co(II) centres, all of which are in six-coordinated environments. One Co(II) centre is coordinated by two bridging 4,4'-bipyridine (4,4'-bipy) ligands, one sulfate ion and three aqua ligands. The second Co(II) centre is surrounded by two N atoms of two 4,4'-bipy ligands and four O atoms, i.e. two O atoms from two monodentate sulfate ions and two from water molecules. The third Co(II) centre forms part of a hexaaquacobalt(II) ion. In the crystal structure, there are two different one-dimensional chains, one being anionic and the other neutral, and adjacent chains are arranged in a cross-like fashion around the mid-point of the 4,4'-bipy ligands. The structure features O-H...O hydrogen-bonding interactions between sulfate anions and water molecules, resulting in a three-dimensional supramolecular network.
Authors:
Kai Long Zhong; Ming Yi Qian
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Publication Detail:
Type:  Journal Article     Date:  2012-08-18
Journal Detail:
Title:  Acta crystallographica. Section C, Crystal structure communications     Volume:  68     ISSN:  1600-5759     ISO Abbreviation:  Acta Crystallogr C     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-08-31     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8305826     Medline TA:  Acta Crystallogr C     Country:  United States    
Other Details:
Languages:  eng     Pagination:  m265-8     Citation Subset:  IM    
Affiliation:
Department of Applied Chemistry, Nanjing College of Chemical Technology, Nanjing 210048, People's Republic of China.
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