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Poly[[diaquadi-?-dicyanamido-nickel(II)] bis-(pyridinium-4-olate)].


ABSTRACT: The title compound, {[Ni(C(2)N(3))(2)(H(2)O)(2)]·2C(5)H(5)NO}(n), is a centrosymmetric two-dimensional coordination polymer with a layer (4,4) network structure. The asymmetric unit is compossed of an Ni(II) atom, which sits on an inversion center, a ?-1,5-bridging dicyanamide anion, a water mol-ecule, and a free 4-hydroxy-pyridine mol-ecule present in the zwitterionic pyridinium-4-olate form. The Ni(II) atom is coordinated in a slightly distorted N(4)O(2) octa-hedral geometry by four bridging dicyanamide ligands and two trans water mol-ecules. In the crystal, the two-dimensional networks are linked via N-H?O and O-H?O hydrogen bonds, forming a three-dimensional network.

SUBMITTER: Zheng LL 

PROVIDER: S-EPMC2972168 | biostudies-literature | 2009 Nov

REPOSITORIES: biostudies-literature

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Poly[[diaquadi-μ-dicyanamido-nickel(II)] bis-(pyridinium-4-olate)].

Zheng Ling-Ling LL  

Acta crystallographica. Section E, Structure reports online 20091121 Pt 12


The title compound, {[Ni(C(2)N(3))(2)(H(2)O)(2)]·2C(5)H(5)NO}(n), is a centrosymmetric two-dimensional coordination polymer with a layer (4,4) network structure. The asymmetric unit is compossed of an Ni(II) atom, which sits on an inversion center, a μ-1,5-bridging dicyanamide anion, a water mol-ecule, and a free 4-hydroxy-pyridine mol-ecule present in the zwitterionic pyridinium-4-olate form. The Ni(II) atom is coordinated in a slightly distorted N(4)O(2) octa-hedral geometry by four bridging d  ...[more]

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