The crystal and molecular structure of tetrakis(.MU.-1-hydroxy-2-naphthoato)bis{aqua(ethanol)(1-hydroxy-2-naphthoato)neodymium(III)}-water-ethanol (1/2/2), ({Nd(C10H6(OH)(COO))3(H2O)(C2H6O)}2)2H2O2C2H6O.

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概要

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• The structure of the title complex was determined by the single-crystal X-ray-diffraction method. It is triclinic, with the space group <I>P</I>\bar1; the cell constants were <I>a</I>=12.529(2), <I>b</I>=15.044(4), <I>c</I>=10.063(1) Å, α=104.15(2), β=98.73(1), and γ=87.16(2)°; <I>Z</I>=1, and the final <I>R</I> value was 0.053. The central metal atom is in a tricapped trigonal-prism geometry and is ennea-coordinated with seven oxygen atoms of the carboxylate ligands and with each oxygen atom of one water and one ethanol molecule. The complex is dimeric and the metal atoms are bridged with four carboxylate ions; two of them act as bidentates, and the other two, as tridentates, where one oxygen atom is coordinated to both metal atoms. The other carboxylate ion makes a chelate ring with each metal atom. The dimer is connected through hydrogen bondings to the atoms on both sides along the c-axis.

著者

• Takeuchi Toshio

  Department of Natural Sciences, Faculty of Science and Technology, Sophia University

関連論文

• The crystal and molecular structure of tetrakis(.MU.-1-hydroxy-2-naphthoato)bis{aqua(ethanol)(1-hydroxy-2-naphthoato)neodymium(III)}-water-ethanol (1/2/2), ({Nd(C10H6(OH)(COO))3(H2O)(C2H6O)}2)2H2O2C2H6O.

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