Abstract
The title compound, (C4H8N3O)(H3O)[Co(C7H3NO4)2]·3H2O, contains a protonated creatininium cation, a hydroxonium (H3O)+ cation, a [Co(pydc)2]2− (pydcH2 = pyridine-2,6-dicarboxylic acid) complex anion, and three uncoordinated water molecules. The CoII atom is coordinated by four O and two N atoms from two pydc ligands in a distorted octahedral environment. The structure also contains three uncoordinated water molecules. Extensive intermolecular O—H⋯O, N—H⋯O and C—H⋯O hydrogen bonds, π–π stacking interactions [centroid–centroid distances = 3.565 (14) and 3.425 (14) Å] and O⋯π interactions [O⋯centroid distance = 3.480 (2) Å] connect the various components in the crystal structure.
Highlights
The title compound, (C4H8N3O)(H3O)[Co(C7H3NO4)2]3H2O, contains a protonated creatininium cation, a hydroxonium (H3O)+ cation, a [Co(pydc)2]2 complex anion, and three uncoordinated water molecules
The CoII atom is coordinated by four O and two N atoms from two pydc ligands in a distorted octahedral environment
Graphite monochromator φ and ω scansSecondary atom site location: difference Fourier map Hydrogen site location: mixed. Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2)
Summary
Gharamalekic and Mohammad Yousefid a Faculty of Chemistry, Islamic Azad University, North Tehran Branch, Tehran, Iran, Department of Chemistry, Faculty of Science, Islamic Azad University, Khorramabad Branch, Khorramabad, Iran, cYoung Researchers Club, Islamic Azad. University, North Tehran Branch, Tehran, Iran, and dDepartment of Chemistry, Islamic Azad University, Shahr-e-Rey Branch, Tehran, Iran. R factor = 0.045; wR factor = 0.097; data-to-parameter ratio = 16.4. The title compound, (C4H8N3O)(H3O)[Co(C7H3NO4)2]3H2O, contains a protonated creatininium cation, a hydroxonium (H3O)+ cation, a [Co(pydc)2]2 (pydcH2 = pyridine-2,6dicarboxylic acid) complex anion, and three uncoordinated water molecules. The CoII atom is coordinated by four O and two N atoms from two pydc ligands in a distorted octahedral environment. The structure contains three uncoordinated water molecules. = 3.480 (2) Å] connect the various components in the crystal structure
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