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Diaqua-bis-(5-carb-oxy-2-ethyl-1H-imidazole-4-carboxyl-ato-?(2)N(3),O(4))cobalt(II) trihydrate.


ABSTRACT: In the title compound, [Co(C(7)H(7)N(2)O(4))(2)(H(2)O)(2)]·3H(2)O, the Co(II) cation, located on an inversion center, is N,O-chelated by two 5-carboxy-2-ethyl-1H-imidazole-4-carboxylate anions and further coordinated by two water mol-ecules in a distorted octa-hedral geometry. Only one carboxy group of the anion is deprotonated, and the two carboxyl groups of the same anion are linked via an intra-molecular O-H?O hydrogen bond. One of the lattice water mol-ecules is located on an inversion center, its H atom equally disordered over two positions. One of H atoms of another lattice water mol-ecules is also equally disordered over two sites. Water H atoms and the amino H atom all are involved in an inter-molecular hydrogen-bonded network in the crystal.

SUBMITTER: Miao DL 

PROVIDER: S-EPMC3343793 | BioStudies | 2012-01-01T00:00:00Z

REPOSITORIES: biostudies

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