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Lanthanum(III) complex of uracil-1-acetic acid, a new 2D coordination polymer [La(Phen)(UA)3]n · nH2O (Phen = 1,10-phenanthroline and UA = uracil-1-acetate)

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Abstract

A new lanthanum(III) complex of uracil-1-acetate (UA) and 1,10-phenanthroline (Phen), [La(Phen)(UA)3]n · nH2O, was synthesized and characterized by elemental analysis, IR spectroscopy, XRD powder diffraction, thermal analysis, and X-ray crystallography. The single crystal X-ray analysis shows that the compound is in the monoclinic system, space group P21/c with a = 14.645(6), b = 17.114(7), c = 14.141(6) Å, β = 117.206(6)°, V = 3152(2) Å3, Z = 4, final R 1 = 0.0455 and wR 2 = 0.0909. Each La3+ ion is coordinated by two N atoms from Phen, seven carboxylate oxygen atoms, and one carbonyl oxygen atom from UA, which results in ten-coordinate geometry, LaN2O8. The structural studies indicate that the title compound is two-dimensional coordination polymer, and self-assembly of the compound in the solid state is likely to occur due to N-H…O and O-H…O hydrogen bonds.

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Authors and Affiliations

  1. State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, 116012, P. R. China

    J. Xiong & S. F. Zhang

  2. School of Chemistry and Materials Science, Wenzhou University, Wenzhou, 325027, P. R. China

    J. Xiong & Y. J. Lan

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  1. J. Xiong
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  2. Y. J. Lan
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  3. S. F. Zhang
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Xiong, J., Lan, Y.J. & Zhang, S.F. Lanthanum(III) complex of uracil-1-acetic acid, a new 2D coordination polymer [La(Phen)(UA)3]n · nH2O (Phen = 1,10-phenanthroline and UA = uracil-1-acetate). Russ J Coord Chem 33, 306–311 (2007). https://doi.org/10.1134/S1070328407040124

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  • DOI: https://doi.org/10.1134/S1070328407040124

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