The reaction of cobalt(II) with fumaric acid (Hfum) and isonicotinamide in a basic solution produces the title salt, [Co(CHNO)(HO)](CHO). In the complex cation, the Co atom, located on an inversion centre, is coordinated by two isonicotinamide and four water mol-ecules in a distorted NO octa-hedral geometry. The fumarate anion is located on another inversion centre and is linked to neighbouring complex cations O-H⋯O and N-H⋯O hydrogen bonds and weak C-H⋯O hydrogen bonds. In the crystal, the complex cations are further linked by O-H⋯O, N-H⋯O and weak C-H⋯O hydrogen bonds, forming a three-dimensional supra-molecular architectecture. Hirshfeld surface analyses ( surfaces and two-dimensional fingerprint plots) for the title compound are presented and discussed.
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| http://dx.doi.org/10.1107/S205698901800107X | DOI Listing |
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