Abstract
In the title hydrated mixed-cation salt, (C5H8N3)2[Co(H2O)6](SO4)2·2H2O, the complete octahedral hexaaqua complex cation is generated by crystallographic inversion symmetry. In the crystal, the components are linked by O—H⋯O and N—H⋯O hydrogen bonds, the latter, involving pyrimidinium cations and sulfate anions, generating R 2 2(8) loops. These, together with π–π interactions between centrosymmetrically related pyrimidinium cations [centroid–centroid separation = 3.5460 (8) Å], lead to the formation of a three-dimensional network.
Highlights
In the title hydrated mixed-cation salt, (C5H8N3)2[Co(H2O)6](SO4)22H2O, the complete octahedral hexaaqua complex cation is generated by crystallographic inversion symmetry
The components are linked by O—
Symmetry codes: (ii) x+1, y, z; (iii) x, y+1, z; (iv) −x+2, −y, −z+1; (v) −x+1, −y, −z+1; (vi) −x+1, −y+1, −z
Summary
R factor = 0.026; wR factor = 0.073; data-to-parameter ratio = 19.2. In the title hydrated mixed-cation salt, (C5H8N3)2[Co(H2O)6](SO4)22H2O, the complete octahedral hexaaqua complex cation is generated by crystallographic inversion symmetry. H O and N—H O hydrogen bonds, the latter, involving pyrimidinium cations and sulfate anions, generating R22(8). These, together with – interactions between centrosymmetrically related pyrimidinium cations [centroid–. Centroid separation = 3.5460 (8) Å], lead to the formation of a three-dimensional network
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