Synthesis, Crystal Structure and Thermal Decomposition Mechanism of a Dysprosium(III) p-Fluorobenzoate 1,10-Phenanthroline Complex

Autor:	Su-Ling Xu, Hai-Yan Zhang, Ning Ren, Hui-Fang Yang, Jian-Jun Zhang
Rok vydání:	2007
Předmět:	Crystallography chemistry.chemical_compound chemistry P-fluorobenzoic acid Phenanthroline Thermal decomposition Dysprosium chemistry.chemical_element General Chemistry Crystal structure
Zdroj:	Zeitschrift für Naturforschung B. 62:51-54
ISSN:	1865-7117 0932-0776
DOI:	10.1515/znb-2007-0108
Popis:	A dinuclear dysprosium(III) p-fluorobenzoate 1,10-phenanthroline complex, [Dy(p-FBA)3phen]2 was synthesized and characterized by elemental analysis, UV and IR spectroscopy, single crystal X-ray diffraction, molar conductance, and TG-DTG techniques. It crystallizes in the triclinic space group P1̄ with a = 9.895(5), b = 11.754(6), c = 14.756(10)Å ; α = 106.660(9)°, β = 107.956(9)°, γ =101.472(7)°; Z =1. The Dy(III) ions are eight coordinate including one terminal bidentate chelating carboxylate group, four bridging carboxylate groups and one 1,10-phenanthroline molecule. The thermal decomposition of [Dy(p-FBA)3phen]2 has been followed by thermal analysis. The lifetime equation at weight-loss of 10% was deduced as lnτ = −27.0798 +19010.2434/T by isothermal thermogravimetric analysis.
Databáze:	OpenAIRE
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