Abstract
In the title compound, [Cu(C2N3)2(C12H6Cl2N2)2], the CuII atom is coordinated by two chelating 4,7-dichloro-1,10-phenanthroline (4,7-Cl-phen) ligands and two dicyanamide (dca) ligands in a cis arrangement, forming a distorted octahedral geometry. The equatorial plane is occupied by three N atoms from two 4,7-Cl-phen ligands and one N atom from a dca ligand at shorter Cu—N distances. Due to the Jahn–Teller effect, the axial positions are occupied by a 4,7-Cl-phen N atom and a dca N atom at longer Cu—N distances. The dca ligands are nearly planar, with a maximum deviations of 0.006 (1) Å. The crystal structure is stabilized by weak C—H⋯N hydrogen bonds, with cyanide N atoms as acceptors, and π–π interactions between adjacent phenyl rings [centroid–centroid distance = 3.725 (3) Å].
Highlights
In the title compound, [Cu(C2N3)2(C12H6Cl2N2)2], the Cu atom is coordinated by two chelating 4,7-dichloro-1,10phenanthroline (4,7-Cl-phen) ligands and two dicyanamide ligands in a cis arrangement, forming a distorted octahedral geometry
The equatorial plane is occupied by three N atoms from two 4,7-Cl-phen ligands and one N atom from a dca ligand at shorter Cu—N distances
Jahn–Teller effect, the axial positions are occupied by a 4,7-Clphen N atom and a dca N atom at longer Cu—N distances
Summary
Trávnıčekb a Department of Inorganic Chemistry, Faculty of Science, P.J. Šafárik University, Moyzesova 11, SK-041 54 Košice, Slovakia, and bDepartment of Inorganic. R factor = 0.031; wR factor = 0.082; data-to-parameter ratio = 13.9
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