Article

The crystal structure of bis(1,3‐Diphenyl‐1,3‐Propanedionato)copper (II)

Laboratory of Organic Chemistry, University of Leiden
Recueil des Travaux Chimiques des Pays-Bas 09/2010; 85(6):557 - 566. DOI: 10.1002/recl.19660850604

ABSTRACT The crystal structure of bis(1,3-diphenyl-1,3-propanedionato)copper(II), Cu(C6H5CO.CH · COC6H5)2, has been determined with the aid of three-dimensional X-ray diffraction data. The dimensions of the monoclinic cell are a = 26.18, b = 6.07, c = 16.64 Å, β = 115.3°, Z = 4, and the space group is C2/c.The copper ion has the square configuration with Cu-O = 1.91 Å and with valency angles close to 90°. The chelate ring is entirely planar, the phenyl rings make small angles (9.3° and 4.6°) to this plane.There is no indication of extensive conjugation between the phenyl groups and the chelate ring system.

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