Table of Contents
Journal of Crystallography
Volume 2014 (2014), Article ID 481572, 6 pages
Research Article

Synthesis, Characterization, and Crystal Structure of [Co4(CH3CO2)2L4]2[BPh4]40.5H2O, Where HL = 4-(Salicylaldiminato)antipyrine

1Chemistry Department, Tripoli University, Tripoli, Libya
2Department of General and Inorganic Chemistry, Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia

Received 15 April 2014; Accepted 21 June 2014; Published 27 August 2014

Academic Editor: Yan Xu

Copyright © 2014 Ramadan M. El-mehdawi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The title complex was isolated as a red solid from the reaction of 4-(salicylaldiminato)antipyrine, HL, and cobalt (II) acetate in ethanol. The complex has been characterized by elemental analysis, FTIR, UV-Vis, and X-ray single crystal diffraction. Two crystallographically different cationic units, A and B, of the title complex are found. Both units are essentially isostructural; nevertheless, small differences exist between them. Both units contain four cobalt atoms arranged at the corners of distorted cubane-like core alternatively with phenoxy oxygen of the Schiff base. In both cases, one cobalt binds to three coordinated sites from the corresponding tridentate Schiff base ligand, and the fourth one was bonded by the acetate oxygen, and the fifth and the sixth donor sites come from the phenolate oxygen of another Schiff base ligand.