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Copyright (c) 2014 C.X. Zhao1, Y.J. Ding2, T.T. Yuan1, D.Y. Wanyan1, Y.J. Guo1, Z.Z. Hu1, X. Li1
This work is licensed under a Creative Commons Attribution 4.0 International License.
Syntheses and Crystal Structure of Ce(IV) Complex Containing 4-Heterocyclic Acylpyrazolone
Corresponding Author(s) : C.X. Zhao1
Asian Journal of Chemistry,
Vol. 26 No. 24 (2014)
Abstract
A novel Ce complex of 4-acylpyrazolones of formula [Ce(CPTP)4] (C6H5CH3)3 (HCPTP = 1-(4-chlorophenyl)-3-phenyl-4-thenoyl-1H-pyrazol-5-ol) has been synthesized and characterized. It crystallizes in the triclinic space group P-1 with a = 12.9770(12) Å, b = 16.7877(15) Å, c = 21.8362(19) Å; a = 105.5250(10)º, b = 93.389(2)º, g = 99.209(2)º, V = 4498.4(7) Å3, C101H72N8O8S4CeCl4, Mr = 1935.87, Z = 2, Dc = 1.429 g/cm3, m = 0.781 mm-1, F(000) = 1976, R = 0.0312 and wR = 0.0696 for 16643 observed reflections with I > 2s(I). The complex is mononuclear. In air and solution stable compounds containing an eight-coordinated Ce(IV) center in a distorted dodecahedral configuration, the average Ce-O bond length is 2.3351(14) Å.
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- S. Yamazaki, M. Hanada, Y. Yanase, C. Fukumori, K. Ogura, T. Saeki and S. Umetani, J. Chem. Soc. Perkin Trans. I, 693 (1999).
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- Y.J. Ding and C.X. Zhao, Asian J. Chem., 26, 3036 (2014).
- G.M. Sheldrick, SHELXS 97, Program for the Solution of Crystal Structures, University of Gottingen, Germany (1997).
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References
S. Yamazaki, M. Hanada, Y. Yanase, C. Fukumori, K. Ogura, T. Saeki and S. Umetani, J. Chem. Soc. Perkin Trans. I, 693 (1999).
C. Pettinari, F. Marchetti, and A. Drozdov, Comprehensive Coordination Chemistry II, Elsevier, Camerino (2003).
G.X. Zheng, Q.F. Wang and S.G. Luo, J. Radioanal. Nucl. Chem., 258, 693 (2003).
Y.J. Ding, C.X. Zhao, C.Y. Pei and G.X. Wen, Z. Naturforsch., 67b, 204 (2012).
Y.J. Ding and C.X. Zhao, Asian J. Chem., 26, 3036 (2014).
G.M. Sheldrick, SHELXS 97, Program for the Solution of Crystal Structures, University of Gottingen, Germany (1997).
G.M. Sheldrick, SHELXL 97, Program for the Refinement of Crystal Structures, University of Gottingen, Germany (1997).
R.M. Wood and G.J. Palenik, Inorg. Chem., 37, 4149 (1998).
S.Y. Mao, Y.X. Huang, Z.B. Wei, J.X. Mi, Z.L. Huang and J.T. Zhao, J. Solid State Chem., 149, 292 (2000).
A.L. Spek, PLATON-97, Molecular Geometry and Plotting Program, University of Utrecht, Netherlands (1997).
E.C. Okafor, Spectrochim. Acta A, 37, 945 (1981).