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Synthesis and Crystal Structure of Bis[2-((E)-(benzylimino)methyl)-6-bromo-4-chlorophenol]nickel(II)
Corresponding Author(s) : H.G. Zhang
Asian Journal of Chemistry,
Vol. 25 No. 11 (2013): Vol 25 Issue 11
Abstract
A new nickel(II) complex, NiL2 with the Schiff base ligand HL = 2-((E)-(benzylimino)methyl)-6-bromo-4-chlorophenol, has been synthesized and characterized on the basis of elemental analyses and single crystal X-ray diffraction. The complex crystallizes in the monoclinic space group P2(1)/c with the cell parameters a = 10.6405(8) Å , b = 6.01904(3) Å, c = 20.5986 (18) Å, b = 102.3620(10)º, V = 1288.65(17) Å3, Z = 2, Dc = 1.819 g/cm3, μ (MoKa) = 7.024 mm-1, F(000) = 700, S = 1.036, the final R = 0.0590 and wR = 0.1368 for 2269 unique reflections (Rint = 0.0428) with 5879 observed ones (I > 2s(I)). The central nickel(II) is four coordinate and bonds to two nitrogen atoms and two oxygen atoms from two Schiff base ligands and the geometry around nickel(II) is a fairly square planar. The packing figure shows that there are no obvious interactions in the units of the complex.
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References
M. Yamashita, Y. Nonaka, S. Kida, Y. Hamaue and R. Aoki, Inorg. Chim. Acta, 52, 43 (1981).
G.G. Mohamed and Z.H. Abd El-Wahab, J. Thermal Anal. Calorim., 73, 347 (2003).
G.F. Qi, Z.Y. Yang and B.D. Wang, Transition Met. Chem., 32, 233 (2007).
N. Mondal, S. Mitra, V. Gramlich, S.O. Ghodsi and K.M.A. Malik, Polyhedron, 20, 135 (2001).
M. Amirnasr, K.J. Schenk, S. Meghdadi and M. Morshedi, Polyhedron, 25, 671 (2006).
G.M. Sheldrick, Acta Crystallogr., A46, 467 (1990).
G.M. Sheldrick, SHELXTL 97, University of Göttingen, Germany (1997).
Z.X. Li, X.L. Zhang and X.H. Pu, Acta Cryst., E64, m202 (2008).
S. Basak, S. Sen, S. Mitra, C. Marschner and W.S. Sheldrick, Struct. Chem., 19, 115 (2008).