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Piperazine-1,4-diium bis-(2-carb-oxy-1H-pyrazole-4-carboxyl-ate) tetra-hydrate.

ABSTRACT: The asymmetric unit of the title compound, C(4)H(12)N(2) (2+)·2C(5)H(3)N(2)O(4) (-)·4H(2)O, comprises one-half of a piperazine-1,4-diium cation, which lies on an inversion centre, a 2-carb-oxy-1H-pyrazole-4-carboxyl-ate anion and two water mol-ecules. An extensive network of inter-molecular O-H?O, N-H?O, N-H?N and C-H?O hydrogen bonds between the cations, anions and water mol-ecules leads to a three-dimensional supra-molecular framework.

SUBMITTER: Zhou XH 

PROVIDER: S-EPMC2983173 | biostudies-other | 2010

REPOSITORIES: biostudies-other

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Piperazine-1,4-diium bis-(2-carb-oxy-1H-pyrazole-4-carboxyl-ate) tetra-hydrate.

Zhou Xin-Hui XH  

Acta crystallographica. Section E, Structure reports online 20100918 Pt 10

The asymmetric unit of the title compound, C(4)H(12)N(2) (2+)·2C(5)H(3)N(2)O(4) (-)·4H(2)O, comprises one-half of a piperazine-1,4-diium cation, which lies on an inversion centre, a 2-carb-oxy-1H-pyrazole-4-carboxyl-ate anion and two water mol-ecules. An extensive network of inter-molecular O-H⋯O, N-H⋯O, N-H⋯N and C-H⋯O hydrogen bonds between the cations, anions and water mol-ecules leads to a three-dimensional supra-molecular framework. ...[more]

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