Abstract
The structure of the title compound has been determined by three-dimensional X-ray crystal structure analysis. The crystals are orthorhombic with unit cell dimensions a= 17.150(10), b= 19.703(11), c= 11.655(7)A, Z = 4, space group Pcab. Full-matrix least-squares refinement using 1 221 reflections reached R= 0.061. The centrosymmetric molecule comprises two cobalt ions bridged by four benzoate anions with the two oxygen atoms of each benzoate group bonded to different cobalt ions. Square-pyramidal five-co-ordination of cobalt is completed by a quinoline molecule, but steric effects cause significant deviations from regularity with N–Co–O angles from 92 to 104°, Co–O distances from 2.017 to 2.072 A, Co–O–C angles from 119.1 to 130.3°, and an included Co–Co–N angle of 168.3°. The Co–Co separation is 2.832 A.
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