Abstract
In the title polymer, [Cd(C2N3)2(C16H16N2O2)]n, the CdII ion is coordinated by two N atoms from one 2,9-diethoxy-1,10-phenanthroline molecule and four N atoms from four symmetry-related dicyanamide ions in a distorted octahedral geometry. In the 2,9-diethoxy-1,10-phenanthroline ligand, the O and C atoms of the ethoxy groups are located almost in the plane defined by the phenanthroline ring system. Two dicyanamide ions bridge two CdII ions, which are located on a twofold axis, forming a one-dimensional zigzag chain along the [001] direction. The 2,9-diethoxy-1,10-phenanthroline molecules act as bidentate terminal ligands. There are π–π interactions between polymeric chains, characterized by a centroid–centroid distance of 3.7624 (2) Å between the phenanthroline rings of two neighbouring chains.
Highlights
In the title polymer, [Cd(C2N3)2(C16H16N2O2)]n, the CdII ion is coordinated by two N atoms from one 2,9-diethoxy-1,10phenanthroline molecule and four N atoms from four symmetry-related dicyanamide ions in a distorted octahedral geometry
In the 2,9-diethoxy-1,10-phenanthroline ligand, the O and C atoms of the ethoxy groups are located almost in the plane defined by the phenanthroline ring system
Two dicyanamide ions bridge two CdII ions, which are located on a twofold axis, forming a one-dimensional zigzag chain along the [001] direction
Summary
Key indicators: single-crystal X-ray study; T = 173 K; mean (C–C) = 0.002 A; R factor = 0.020; wR factor = 0.052; data-to-parameter ratio = 18.4. In the title polymer, [Cd(C2N3)2(C16H16N2O2)]n, the CdII ion is coordinated by two N atoms from one 2,9-diethoxy-1,10phenanthroline molecule and four N atoms from four symmetry-related dicyanamide ions in a distorted octahedral geometry. In the 2,9-diethoxy-1,10-phenanthroline ligand, the O and C atoms of the ethoxy groups are located almost in the plane defined by the phenanthroline ring system. Two dicyanamide ions bridge two CdII ions, which are located on a twofold axis, forming a one-dimensional zigzag chain along the [001] direction. The 2,9-diethoxy-1,10-phenanthroline molecules act as bidentate terminal ligands. Crystal data [Cd(C2N3)2(C16H16N2O2)] Mr = 512.81 Monoclinic, C2=c a = 14.3605 (9) Ab = 12.4386 (8) Ac = 11.7582 (7) A = 106.676 (1)
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