Received 22 October 2013
aDepartment of Chemistry, North-Eastern Hill University, NEHU Permanent Campus, Umshing, Shillong 793 022, India,bDepartment of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia, and cChemistry Department, Faculty of Science, King Abdulaziz University, PO Box 80203 Jeddah, Saudi Arabia
Correspondence e-mail: Edward.Tiekink@gmail.com
The complete binuclear molecule of the title compound, [Cd2I4(C14H12N2O2)2], is generated by the application of a centre of inversion. The Cd-I bond lengths of the central core are close and uniformly longer than the exocyclic Cd-I bond. The coordination sphere of the CdII atom is completed by two N atoms of a chelating methyl 4-[(pyridin-2-ylmethylidene)amino]benzoate ligand, and is based on a square pyramid with the terminal I atom in the apical position. The three-dimensional crystal packing is stabilized by C-HO and C-H interactions, each involving the pyridine ring.
For spectroscopic, biological and structural studies of zinc triad elements with (E)-N-(pyridin-2-ylmethylidene)arylamine ligands, see: Basu Baul, Kundu, Höpfl et al. (2013); Basu Baul, Kundu, Linden et al. (2013); Basu Baul, Kundu, Mitra et al. (2013). For additional structural analysis, see: Addison et al. (1984).
Data collection: CrysAlis PRO (Agilent, 2013); cell refinement: CrysAlis PRO; data reduction: CrysAlis PRO; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012) and DIAMOND (Brandenburg, 2006); software used to prepare material for publication: publCIF (Westrip, 2010).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: HG5357 ).
The financial support of the University Grants Commission, New Delhi, India, to TSBB [F. No. 42-396/2013 (SR)] is gratefully acknowledged. The authors also thank the Ministry of Higher Education (Malaysia) and the University of Malaya for funding structural studies through the High-Impact Research scheme (UM.C/HIR-MOHE/SC/03).
Addison, A. W., Rao, T. N., Reedijk, J., van Rijn, J. & Verschoor, G. C. (1984). J. Chem. Soc. Dalton Trans. pp. 1349-1356.
Agilent (2013). CrysAlis PRO. Agilent Technologies Inc., Santa Clara, CA, USA.
Basu Baul, T. S., Kundu, S., Höpfl, H., Tiekink, E. R. T. & Linden, A. (2013). Polyhedron, 55, 270-282.
Basu Baul, T. S., Kundu, S., Linden, A., Raviprakash, N., Manna, S. & Guedes da Silva, F. (2013). Dalton Trans. doi:10.1039/c3dt52062e.
Basu Baul, T. S., Kundu, S., Mitra, S., Höpfl, H., Tiekink, E. R. T. & Linden, A. (2013). Dalton Trans. 42, 1905-1920.
Brandenburg, K. (2006). DIAMOND. Crystal Impact GbR, Bonn, Germany.
Farrugia, L. J. (2012). J. Appl. Cryst. 45, 849-854.
Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.
Westrip, S. P. (2010). J. Appl. Cryst. 43, 920-925.