cis-Bis(butyl­amine-κN)bis­[sulfa­diazine(1−)-κ(2) N,N′]copper(II) penta­hydrate

In the title compound {systematic name: cis-bis­[4-amino-N-(pyrimidin-2-yl)benzene­sulfonamidato-κ(2) N,N′]bis­(butyl­amine-κN)copper(II) penta­hydrate}, [Cu(C(10)H(9)N(4)O(2)S)(2)(C(4)H(11)N)(2)]·5H(2)O or [Cu(sdz)(2)(ba)(2)]·5H(2)O [ba is butyl­amine and sdz = sulfadiazine(1−)], the copper(II) cation is six-coordinated by four N atoms of two sulfadiazine ligands and two N atoms of butyl­amine ligands. The copper(II) ion and one of the water mol­ecules lie on twofold rotation axes. One of the butyl groups is disordered over two sites, with occupancies of 0.395 (8) and 0.605 (8). The geometry around the S atom is distorted tetra­hedral. The crystal structure involves inter­molecular N—H⋯N and N—H⋯O hydrogen bonds. N—H⋯N hydrogen bonds between sdz ligands lead to a sheet structure parallel to the ab plane.