Abstract
The dinuclear complex, [Cd2(C7H4BrO2)4(C13H14N2)2], lies on a twofold rotation axis crossing midway between the two metal atoms. The CdII cation is seven-coordinated with a geometry that can be considered as distorted pentagonal bipyramidal, with the N atom of the N-heterocyclic units occupying the apical sites and the O atoms of the 4-bromobenzoate units in the equatorial plane. The middle methylene group of the 1,3-bis(4-pyridyl)propane ligands is located outside of the twofold rotation axis and consequently is disordered over two sites around this symmetry element with fixed occupancies factors of 0.5.
Highlights
The dinuclear complex, [Cd2(C7H4BrO2)4(C13H14N2)2], lies on a twofold rotation axis crossing midway between the two metal atoms
The CdII cation is seven-coordinated with a geometry that can be considered as distorted pentagonal bipyramidal, with the N atom of the N-heterocyclic units occupying the apical sites and the O atoms of the 4bromobenzoate units in the equatorial plane
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: LR2033)
Summary
The dinuclear complex, [Cd2(C7H4BrO2)4(C13H14N2)2], lies on a twofold rotation axis crossing midway between the two metal atoms. The middle methylene group of the 1,3-bis(4-pyridyl)propane ligands is located outside of the twofold rotation axis and is disordered over two sites around this symmetry element with fixed occupancies factors of 0.5. Related literature For related structures, see: Liu et al (2011). For another complex with a dinuclear seven-coordinate Cd(II) atom, see: Ranjbar et al (2002); Wang et al (2006). Crystal data [Cd2(C7H4BrO2)4(C13H14N2)2] Mr = 1421.35 Tetragonal, P43212 a = 13.7829 (10) Ac = 27.8235 (17) A V = 5285.6 (5) A 3
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