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Hexa­aqua­cobalt(II) and hexa­aqua­nickel(II) bis­­(μ-pyridine-2,6-di­carboxyl­ato)bis­­[(pyridine-2,6-di­carboxyl­ato)bis­muthate(III)] dihydrate
Acta Crystallographica Section C: Structural Chemistry (2011)
  • Vitalie Stavila, Rice University
  • Ion Bulimestru, State University of Moldova
  • Aurelian Gulea, State University of Moldova
  • Adam C. Colson, Rice University
  • Kenton H. Whitmire, Rice University
Abstract
The title complexes, hexa­aqua­cobalt(II) bis­(μ-pyridine-2,6-dicarboxyl­ato)bis­[(pyridine-2,6-dicarboxyl­ato)bismuthate(III)] dihydrate, [Co(H2O)6][Bi2(C7H4NO4)4]·2H2O, (I), and hexa­aqua­nickel(II) bis­(μ-pyridine-2,6-dicarboxyl­ato)bis[(pyridine-2,6-dicarboxyl­ato)bismuthate(III)] dihydrate, [Ni(H2O)6][Bi2(C7H4NO4)4]·2H2O, (II), are isomorphous and crystallize in the triclinic space group P. The transition metal ions are located on the inversion centre and adopt slightly distorted MO6 (M = Co or Ni) octa­hedral geometries. Two [Bi(pydc)2] units (pydc is pyridine-2,6-dicarboxyl­ate) are linked via bridging carboxyl­ate groups into centrosymmetric [Bi2(pydc)4]2− dianions. The crystal packing reveals that the [M(H2O)6]2+ cations, [Bi2(pydc)4]2− anions and solvent water mol­ecules form multiple hydrogen bonds to generate a supra­molecular three-dimensional network. The formation of secondary Bi⋯O bonds between adjacent [Bi2(pydc)4]2− dimers provides an additional supra­molecular synthon that directs and facilitates the crystal packing of both (I)and (II).
Disciplines
Publication Date
March, 2011
DOI
10.1107/S0108270110053497
Citation Information
Vitalie Stavila, Ion Bulimestru, Aurelian Gulea, Adam C. Colson, et al.. "Hexa­aqua­cobalt(II) and hexa­aqua­nickel(II) bis­­(μ-pyridine-2,6-di­carboxyl­ato)bis­­[(pyridine-2,6-di­carboxyl­ato)bis­muthate(III)] dihydrate" Acta Crystallographica Section C: Structural Chemistry Vol. 67 Iss. Part 3 (2011) p. m65 - m68 ISSN: 2053-2296
Available at: http://works.bepress.com/adam-colson/3/