Bis[4-amino-N-(pyrimidin-2-yl)benzenesulfonamido]diamminecopper(II): aqua or ammine ligands?

Diffraction results obtained at 100 and 291 K, the former at high resolution, are reported for the title compound, [Cu(C10H9N4O2S)2(NH3)2] or [Cu(sulfa)2(NH3)2] [Hsulfa is 4‐amino‐N‐(pyrimidin‐2‐yl)benzenesulfonamide]. The CuII cation is coordinated by two N‐atom donors from a bidentate sulfa ligand...

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