Spectral and thermal studies of light lanthanide 4-chlorophthalates

被引：2
|
作者：
Kurpiel-Gorgol, R. [1 ]
Brzyska, Wanda [1 ]
机构：
[1] Marie Curie Sklodowska Univ, Fac Chem, Dept Gen & Coordinat Chem, PL-20030 Lublin, Poland
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2006年 / 85卷 / 02期
关键词：
4-chlorophthalic acid-monosodium salt; IR spectra; lanthanide complexes; thermal analysis;
D O I：
10.1007/s10973-005-7138-1
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Conditions for the preparation of light lanthanide 4-chlorophthalates were investigated and their composition, solubility in water at 295 K, IR spectra and thermal decomposition were determined. 4-Chlorophthalates of La-Nd(III) were prepared as complexes with general formula NaLn[ClC6H3(CO2)(2)](2), whereas compounds of Sm and Eu have general formula Ln(2)[ClC6H3(CO2)(2)](3)center dot 6H(2)O. During heating all complexes decompose to oxides with intermediate formation of oxochlorides. The carboxylate groups in the complexes studied are bidentate bridging (Sm, Eu) or bidentate chelating and bridging (La-Nd).
引用
收藏
页码：449 / 453
页数：5
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