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Synthesis and Structure of Fe(III) Complex Derived from An Octadentate Schiff Base Ligand
Corresponding Author(s) : Guang-Qi Jiang
Asian Journal of Chemistry,
Vol. 25 No. 9 (2013): Vol 25 Issue 9
Abstract
A new Fe(III) complex, [Fe(C26H26O3N4)]NO3.H2O, was obtained by the reaction of Schiff base ligand H4L {H4L = 1,1,1,1-tetrakis[(salicylaldimino)methyl]methane} with Fe(NO3)3.9H2O at 1:2 mol ratio and was structurally determined by elemental analyses, IR, EI-MS and single crystal X-ray diffraction analysis. The complex crystallized in the monoclinic system, space group P 21/n with unit cell parameters: a = 12.486(5) Å, b = 15.769(5) Å, c = 12.989(5) Å, b = 95.764(5)°, V = 2544.5(16) Å3, Z = 4, Mr = 578.38, Dc = 1.510 g/cm3, μ = 0.650 mm-1, F(000) = 1204, R = 0.0400, wR = 0.1109 for 3701 reflections with I >2s (I). It is of interest to note that one of the pendant arms of H4L ligand was hydrolyzed when H4L coordinated with Fe(III) ions, simultaneously, the resulting amino group was protonated to maintain the charge balance of the system.
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- Z.D. Liu, R. Kayyali, R.C. Hider, J.B. Porter and A.E. Theobald, J. Med. Chem., 45, 631 (2002).
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References
Z.D. Liu, R. Kayyali, R.C. Hider, J.B. Porter and A.E. Theobald, J. Med. Chem., 45, 631 (2002).
L.H. Li, J.M. Becker, L.E.N. Allan, G.J. Clarkson, S.S. Turner and P. Scott, Inorg. Chem., 50, 5925 (2011).
M. Ferbinteanu, T. Kajiwara, K.Y. Choi, H. Nojiri,A. Nakamoto, N. Kojima, F. Cimpoesu, Y. Fujimura, S. Takaishi and M. Yamashita, J. Am. Chem. Soc., 128, 9008 (2006).
M.C. Cheng, M.C.W. Chan, S.M. Peng, K.K. Cheung and C.M. Che, J. Chem. Soc. Dalton Trans., 3479 (1997).
K.K. Bania, D. Bharali, B. Viswanathan and R.C. Deka, Inorg. Chem., 51, 1675 (2012).
B.L. Small, R. Rios, E.R. Fernandez and M.J. Carney, Organometallics, 26, 1744 (2007).
G.Q. Jiang, J. Cai, Y.Q. Zhang and Q.J. Zhang, Chinese J. Appl. Chem., 26, 329 (2009).
G.Q. Jiang, J. Cai, Y.Q. Zhang and Q.J. Zhang, Acta Cryst., E64, o1455 (2008)