In the title compound, [CuCl2(C12H8N2)], the CuII atom adopts a distorted tetrahedral coordination formed by two N atoms from one 1,10‐phenanthroline ligand and two Cl atoms. In the crystal structure, molecules form intermolecular C—H...Cl contacts and π–π stacking interactions [centroid‐to‐centroid distances = 3.803 and 3.671 Å]. The shortest intermolecular Cu...Cl contacts are 4.306 (3) Å.
The Co(II) ion in the title compound, [CoCl(phen)2(H2O)]Cl·C(NH2)2S [phen = 1,10‐phenanthroline, (C12H8N2)], has a distorted octahedral coordination formed by one Cl atom, one water molecule, and four N atoms of two phen ligands. Ions and molecules are linked into a three‐dimensional framework by N—H⋯S, N—H⋯Cl and O—H⋯Cl hydrogen bonds. The supramolecular network structure is consolidated by π–π stacking interactions and hydrogen bonds.
In the title complex, [Co(C18H12N4O2)], the CoII ion is coordinated by four N atoms from one o‐phenylenebis(picolinamide) ligand in a square‐planar coordination geometry. Weak C—H...O hydrogen bonding exists in the crystal structure.
In the mononuclear title complex, [Ni(C7H2N2O7)(C4H8N2O2)(H2O)], the nickel(II) ion is five‐coordinated in a distorted square‐pyramidal geometry by two N atoms from a dimethylglyoxime molecule, two O atoms from a 2‐oxido‐3,5‐dinitrobenzoate anion and one O atom from a water molecule. Strong hydrogen bonds connect discrete adjacent molecules, forming a ribbon parallel to the b axis.
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