New complexes of 4-[(4-fluorophenyl)amino]-4-oxobut-2-enoic acid with selected transition metal ions: Synthesis, thermal, and magnetic properties

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作者
W. Ferenc
P. Sadowski
B. Tarasiuk
B. Cristóvão
D. Osypiuk
J. Sarzyński
机构
[1] Maria Curie-Skłodowska University,Faculty of Chemistry, Department of General and Coordination Chemistry
[2] Maria Curie-Skłodowska University,Institute of Physics
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4-[(4-fluorophenyl)amino]-4-oxobut-2-enoic acid; selected 3; - and 4; -metals; IR and X-ray spectra; thermal stability; magnetic properties;
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摘要
Complexes of 4-[(4-fluorophenyl)amino]-4-oxobut-2-enoic acid, HL, with Mn(II), Co(II), Ni(II), Cu(II), Nd(III), Gd(III), and Er(III) were synthesized and characterized by various physico-chemical methods: elemental analysis, FT-IR, TG, DTG, DSC, TG/FT-IR, XRF, XRD, and magnetic measurements using the Gouy’s method and a SQUID-VSM magnetometer. The complexes were found to be hydrates (except Er(III) complex) containing 1 to 4 molecules of water. The carboxylate groups acted as bidentate ligands.
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页码:2719 / 2727
页数:8
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