Bis(2,9-dimethyl-1,10-phenanthroline)copper(I) pentacyanidonitrosoferrate(II)

Abstract

The asymmetric unit of the title complex [Cu(C14H12N2)2]2[Fe(CN)5(NO)], consists of a [Cu(dmp)2]+cation (dmp is 2,9-dimethyl-1,10-phenanthroline) and half an [Fe(CN)5(NO)]2−anion. The anion is disordered across an inversion center with the FeIIion slightly offset (ca0.205Å) from the inversion center in the direction of the disorderedtrans-coordinating CN/NO ligands. The anion has a distorted octahedral coordination geometry. The CuIion is coordinated by two phenanthroline ligands in a distorted tetrahedral geometry. The dihedral angle between the phenanthroline ligands is 77.16 (4) Å. In the crystal, the cations are connected to the anions by weak C—H...N hydrogen bonds. In addition, weak π–π stacking interactions are observed, with centroid–centroid distances in the range 3.512 (3)–3.859 (3) Å.