The Mn(II) atom in the title compound, [Mn(C(5)H(4)N(3)O(2))(2)(H(2)O)(2)], exhibits an octa-hedral geometry comprising the two O atoms and two N atoms from two 3-amino-pyrazine-2-carboxyl-ate ligands, which act as chelating ligands, and two water mol-ecules. An intra-molecular N-H⋯O hydrogen bond occurs. In the crystal, N-H⋯O, O-H⋯N and O-H⋯O hydrogen bonds link adjacent mol-ecules into a three-dimensional network. The mol-ecule lies on a twofold rotation axis.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2983285 | PMC |
| http://dx.doi.org/10.1107/S1600536810034835 | DOI Listing |
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