metal-organic compounds
Open access
The title compound, [Mg(C5H3N2O4)2(H2O)2], consists of centrosymmetric neutral monomers in which two O,O′-bidentate imidazolinium-4,5-dicarboxylate ligands are bonded to the MgII ion. One of the carboxyl protons is transferred to the N atom of the imidazole ring. The octahedral metal-ion coordination is completed by two trans water O atoms. In the crystal, molecules are linked by N—H(O,O) and O—HO hydrogen bonds.
metal-organic compounds
Open access
The asymmetric unit of the polymeric title compound, [Mg3(C9H3O6)2(C3H7NO)4]n, contains three MgII ions bridged by carboxylate O atoms from two fully deprotonated benzene-1,3,5-tricarboxylate (BTC) trianions and four metal-coordinated dimethylformamide (DMF) molecules. One MgII ion is octahedrally coordinated by six carboxylate O atoms. The other two cations are each octahedrally coordinated by four carboxylate O atoms and two O atoms donated by two DMF molecules: in one, the DMF molecules are cis and in the other they are trans. The three MgII octahedra form clusters, which are bridged by the BTC trianions, generating a three-dimensional structure.