Diaquabis(dimethyl sulfoxide-κO)bis(saccharinato-κN)cobalt(II)

Diaquabis(dimethyl sulfoxide-κO)bis(saccharinato-κN)cobalt(II)

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The title complex, [Co(C7H4NO3S)2(C2H6OS)2(H2O)2], contains a Co2+ cation in an octahedral coordination environment.The metal atom is surrounded by two different neutral ligands, namely dimethylsulfoxide (DMSO) and water, each coordinating through the O atom.The anionic saccharinate (sac; 1,1,3-trioxo-2,3-dihydro-1λ6,2-benzothiazol-2-ide) ligand coordinates through the N atom.

Each of the three similar trucf ligand pairs is in a trans configuration with respect to each other.The Co atom lies on a crystallographic center of symmetry and the octahedral geometry is not significantly distorted.A short O—H.

O hydrogen bond is present between a water H atom and the old fashioned drink ornament ketone O atom; two longer hydrogen bonds (intra- and intermolecular) are also present between a water H and a sulfonic O atom, forming a supramolecular assembly through head-to-tail aggregation between adjacent complexes.