Structure of trans-aqua-bis(pyridine)dibenzoatocopper(II) |
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| Authors: | William M. Willingham John R. J. Sorenson Faith Yarberry Wally Cordes |
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| Affiliation: | (1) Department of Chemistry, University of Arkansas at Pine Bluff, 71601 Pine Bluff, Arkansas;(2) Department of Biopharmaceutical Sciences, University of Arkansas Medical Sciences, 72205 Little Rock, Arkansas;(3) Department of Chemistry and Biochemistry, University of Arkansas, 72701 Fayetteville, Arkansas |
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| Abstract: | Crystals oftrans-aqua-bis(pyridine)dibenzoatocopper(II), Cu(NC5H5)2(C7H5O2)2(H2O), are monoclinic,P21/n, witha=5.9847(10),b=18.874(5),c=19.728(10)A, =92.97(4)°,Z=4, andV=2225.5(13)A3. The full-matrix least-squares refinement used 3030 reflections withI> 2.5 (I) and converged toR=0.067. The benzoate ions bond as monodentate ligands in this five-coordinate complex. The copper ion is in a square pyrimidal environment with trans pyridine groups and benzoate ions in a slightly distorted square planar arrangement and a water ligand in the axial position. The Cu-O distance to the water molecule is significantly longer (2.273(4) Å) than the distances to the O atoms of the carboxyl groups (1.934(3) and 1.930(4)Å). |
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