metal-organic compounds
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In the title complex, [Cu(NO3)2(C17H18FN3O3)2], the CuII ion is located on an inversion center. It exhibits a distorted octahedral geometry, being coordinated by six O atoms, four from two ciprofloxacin ligand molecules (L), which act as bidentate ligands, and two from two nitrate anions. In the ligand, the piperazine ring has a chair conformation and the quinoline system is essentially planar [maximum deviation = 0.097 (2) Å]. One of the nitrate O atoms is disordered over two positions [occupancy ratio = 0.51 (6):0.49 (6)]. There is a C—HF interaction in the complex. In the crystal, molecules are linked via N—HO hydrogen bonds generating a two-dimensional network lying parallel to (111). The presence of C—HO interactions leads to the formation of a three-dimensional structure. The title complex was prepared by hydrothermal synthesis, and the hexahydrate form of this complex, synthesized by conventional methods, has been reported previously [Hernandez-Gil et al. (2009). Polyhedron, 28, 138–144].
metal-organic compounds
Open access
In the title compound, [Mn(C10H7N6)2(H2O)4]·2H2O, the complex unit comprises an Mn2+ ion, coordinated by two imidazole N atoms from cis-related monodentate 5-[4-(imidazol-1-yl)phenyl]tetrazolide ligands and four water molecules, together with two water molecules of solvation. The Mn2+ ion lies on a twofold rotation axis and has a slightly distorted octahedral geometry. The molecules are connected by O—HN and O—HO hydrogen bonds involving both coordinated and solvent water molecules, generating a three-dimensional structure. Two C atoms of the imidazole ring of the ligand are each disordered over two sites with occupancy factors of 0.75 and 0.25.