Anionic lanthanide complexes with 3-methyl-4-formyl-1-phenyl-5-pyrazolone

被引：0
|
作者：
V. F. Shul’gin
S. V. Abkhairova
O. V. Konnik
S. B. Meshkova
Z. M. Topilova
E. B. Rusanov
G. G. Aleksandrov
I. L. Eremenko
机构：
[1] Vernadskii Taurida National University,Bogatskii Physicochemical Institute
[2] National Academy of Sciences of Ukraine,Institute of Organic Chemistry
[3] National Academy of Sciences of Ukraine,Kurnakov Institute of General and Inorganic Chemistry
[4] Russian Academy of Sciences,undefined
来源：
Russian Journal of Inorganic Chemistry | 2013年 / 58卷
关键词：
Coordination Compound; Samarium; Terbium; Formyl; Enol Form;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The coordination compounds Na[LnL4] · 2H2O and [NBu4][LnL4] (Ln = Nd, Sm, Eu, Tb; HL is 3-methyl-4-formyl-1-phenyl-5-pyrazolone) have been synthesized and studied by IR spectroscopy and thermogravimetry. According to X-ray diffraction data, the coordination polyhedra of lanthanides are shaped as square antiprisms and formed by the oxygen atoms of four deprotonated moieties of the enol form of 4-formyl-5-pyrazolone. In the complex Na[EuL4] · 2H2O, sodium cations are bonded to the two nitrogen atoms of pyrazole heterocycles, combining discrete complex anions into two interpenetrating three-dimensional frameworks. Polycrystalline samples of neodymium(III), samarium(III), and terbium(III) complexes manifest intense luminescence in the spectral regions that are typical for them.
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页码：678 / 683
页数：5
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