A 2:1 cocrystal of the cis and trans isomers of bis[1,1,1,5,5,5-hexafluoropentane-2,4-dionato(1-)-kappa O-2,O ']bis(4-phenylpyridine N-oxide-kappa O)copper(II)
authors Fernandes, JA; Ramos, AI; Braga, SS; Paz, FAA
nationality International
journal ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE
keywords INCLUSION-COMPOUNDS; N-OXIDES; COMPLEXES; CYCLODEXTRINS; CRYSTAL; ADDUCTS
abstract The title compound is a co-crystal of the cis and trans isomers, namely cis-bis[1,1,1,5,5,5-hexafluoropentane-2,4-dionato(1-)-kappa O-2,O']bis(4-phenylpyridine N-oxide-kappa O)copper(II)-trans-bis[1,1,1,5,5,5-hexafluoropentane-2,4-dionato(1-)-kappa O-2,O']bis( 4-phenylpyridine N-oxide-kappa O)copper(II) (2/1), [Cu(C5HF6O2)(2)(C11H9NO)(2)]. In both isomers, the coordination geometry of the Cu2+ atom is octahedral, exhibiting typical Jahn-Teller distortion. The metal atom of the trans isomer is located on an inversion centre. In the cis isomer, the phenyl ring in one 4-phenylpyridine N-oxide ligand is disordered over two orientations in a 1:1 ratio. In the crystal, weak intermolecular C-H center dot center dot center dot F and C-H center dot center dot center dot O contacts establish connections between the cis and trans isomers.
publisher WILEY-BLACKWELL
issn 1600-5368
year published 2010
volume 66
beginning page M1689
ending page U1855
digital object identifier (doi) 10.1107/S1600536810049196
web of science category Crystallography
subject category Crystallography
unique article identifier WOS:000284831000143
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