Received 8 April 2008
aSchool of Chemical Science, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia,bDepartment of Chemistry, Faculty of Science, Prince of Songkla University, Hat-Yai, Songkhla 90112, Thailand, and cX-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
Correspondence e-mail: firstname.lastname@example.org
In the title complex, [Mn(C22H18N2O4)Cl], the MnIII centre is in a distorted square-pyramidal configuration, with the basal plane formed by the N2O2 donors of the tetradentate Schiff base dianion; the two phenolate O atoms and the two imine N atoms are each mutually cis. The chloride ion occupies the apical position. The dihedral angle between the two outer phenolate rings of the tetradentate Schiff base ligand is 16.44 (9)°. The central benzene ring makes dihedral angles of 10.64 (9) and 25.17 (10)° with the two outer phenolate rings. In the crystal structure, weak C-HO and C-HCl interactions link the molecules into wave-like face-to-face double layers along the c direction. A - interaction involving the two outer phenolate rings is observed, the centroid-centroid distance being 3.743 (11) Å.
For values of bond lengths, see: Allen et al. (1987). For details of ring conformations, see: Cremer & Pople (1975). For related structures, see, for example: Eltayeb et al. (2008a,b); Habibi et al. (2007); Mitra et al. (2006). For the background to applications of manganese complexes, see, for example: Dixit & Srinivasan (1988); Glatzel et al. (2004); Lu et al. (2006).
Data collection: APEX2 (Bruker, 2005); cell refinement: APEX2; data reduction: SAINT (Bruker, 2005); program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL and PLATON (Spek, 2003).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: IS2286 ).
The authors thank the Malaysian Government, Ministry of Science, Technology and Innovation (MOSTI), and the Universiti Sains Malaysia for the E-Science Fund, RU research grant (Nos. PKIMIA/613308, PKIMIA/815002, 203/PKIMIA/671083) and facilities. The International University of Africa (Sudan) is acknowledged for providing study leave to NEE. The authors also thank Universiti Sains Malaysia for the Fundamental Research Grant Scheme (FRGS) (grant No. 203/PFIZIK/671064).
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