Poly[[chlorido(1,10-phenanthroline-κ2N,N')copper(II)]-μ3-1,1,3,3-tetracyano-2-ethoxypropenido-κ3N:N':N'']: coordination polymer sheets linked into bilayers by hydrogen bonds.

The authors acknowledge the Algerian DG–RSDT (Direction Generale de la Recherche Scientifique et du Developpement Technologique) and the Algerian ATRST (Agence Thematique de Recherche en Sciences et Technologie; PNR project) for financial support. ZS thanks Sandra Lebaroud for her help in preparing the manuscript and the Unit of Support for Technical and Scientific Research (UATRS, CNRST) for the X-ray measurements.