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Dibromidobis(pyrazine-2-carboxylic acid-?N)mercury(II) dihydrate.


ABSTRACT: The asymmetric unit of the title compound, [HgBr(2)(C(5)H(4)N(2)O(2))(2)]·2H(2)O, contains one half-mol-ecule and one water mol-ecule. The Hg(II) ion, lying on a twofold rotation axis, is four-coordinated by two N atoms of pyrazine-2-carboxylic acid ligands and two bromide ions, forming a highly distorted tetrahedral geometry. In the crystal structure, inter-molecular O-H?O and O-H?N hydrogen bonds link the mol-ecules.

SUBMITTER: Wang GW 

PROVIDER: S-EPMC2914906 | biostudies-literature | 2007

REPOSITORIES: biostudies-literature

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Dibromidobis(pyrazine-2-carboxylic acid-κN)mercury(II) dihydrate.

Wang Guo-Wei GW   Wu Wen-Yuan WY   Zhuang Ling-Hua LH   Wang Jin-Tang JT  

Acta crystallographica. Section E, Structure reports online 20071206 Pt 1


The asymmetric unit of the title compound, [HgBr(2)(C(5)H(4)N(2)O(2))(2)]·2H(2)O, contains one half-mol-ecule and one water mol-ecule. The Hg(II) ion, lying on a twofold rotation axis, is four-coordinated by two N atoms of pyrazine-2-carboxylic acid ligands and two bromide ions, forming a highly distorted tetrahedral geometry. In the crystal structure, inter-molecular O-H⋯O and O-H⋯N hydrogen bonds link the mol-ecules. ...[more]

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