Abstract
The title compound, [Cd2Br4(C24H16N2)2], consists of a centrosymmetric dimeric unit in which two Br atoms bridge two CdII atoms, forming a four-membered ring. A terminal Br atom and a bidentate chelating 4,7-diphenyl-1,10-phenanthroline ligand complete a square-pyramidal geometry for the CdII atom. In the crystal, C—H⋯Br hydrogen bonds and π–π contacts between the pyridine and phenyl rings [centroid–centroid distances = 3.704 (4) and 3.715 (4) Å] lead to a three-dimensional supramolecular structure.
Highlights
The title compound, [Cd2Br4(C24H16N2)2], consists of a centrosymmetric dimeric unit in which two Br atoms bridge two CdII atoms, forming a four-membered ring
The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry
The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2
Summary
Khazali,a Manouchehr Aghajeria and Ali Borsalanib a Department of Chemistry, Omidieh Branch, Islamic Azad University, Omidieh, Iran, and bDepartment of Petroleum Engineering, Omidieh Branch, Islamic Azad. R factor = 0.052; wR factor = 0.129; data-to-parameter ratio = 16.0. The title compound, [Cd2Br4(C24H16N2)2], consists of a centrosymmetric dimeric unit in which two Br atoms bridge two CdII atoms, forming a four-membered ring. A terminal Br atom and a bidentate chelating 4,7-diphenyl-1,10-phenanthroline ligand complete a square-pyramidal geometry for the CdII atom. C—H Br hydrogen bonds and – contacts between the pyridine and phenyl rings [centroid–. Centroid distances = 3.704 (4) and 3.715 (4) Å] lead to a threedimensional supramolecular structure
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