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Diaqua-bis(1,3-propane-diamine)nickel(II) squarate tetrahydrate.

ABSTRACT: The asymmetric unit of the title compound, [Ni(C(3)H(10)N(2))(2)(H(2)O)(2)](C(4)O(4))·4H(2)O, contains one-half of the diaqua-bis(1,3-propane-diamine)nickel(II) cation, one-half of the centrosymmetric squarate anion and two uncoordinated water mol-ecules. In the cation, the Ni(II) atom is located on a crystallographic inversion centre and has a slightly distorted octa-hedral coordination geometry. The six-membered chelate ring adopts a chair conformation. O-H?O hydrogen bonds link the cation and anion through the water mol-ecule, while N-H?O hydrogen bonds link the cation and anion and cation and water mol-ecules. In the crystal structure, inter-molecular O-H?O and N-H?O hydrogen bonds link the mol-ecules into a three-dimensional network structure.

SUBMITTER: Temel E

PROVIDER: S-EPMC2969320 | biostudies-literature | 2009 Jun

REPOSITORIES: biostudies-literature

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Diaqua-bis(1,3-propane-diamine)nickel(II) squarate tetrahydrate.

Temel Ersin E Erer Hakan H Yeşilel Okan Zafer OZ Büyükgüngör Orhan O

Acta crystallographica. Section E, Structure reports online 20090606 Pt 7

The asymmetric unit of the title compound, [Ni(C(3)H(10)N(2))(2)(H(2)O)(2)](C(4)O(4))·4H(2)O, contains one-half of the diaqua-bis(1,3-propane-diamine)nickel(II) cation, one-half of the centrosymmetric squarate anion and two uncoordinated water mol-ecules. In the cation, the Ni(II) atom is located on a crystallographic inversion centre and has a slightly distorted octa-hedral coordination geometry. The six-membered chelate ring adopts a chair conformation. O-H⋯O hydrogen bonds link the cation and ...[more]

PMID: 21582677

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