Three-dimensional framework structures: isomorphous bis(2,6-diamino-3,5-dibromopyridinium) tetrabromidometallate(II) salts with CdII and MnII
Abstract
In the structural motifs of two isomorphous triclinic salts, (C5H6Br2N3)2MBr4 (M = CdII and MnII), each MBr42- anion interacts with eight surrounding 2,6-diamino-3,5-dibromopyridinium cations through intermolecular C/N-HBr and BrBr interactions, leading to a three-dimensional framework structure. The cations show a minor degree of - stacking, adding extra stability to the three-dimensional architecture.