CRYSTAL STRUCTURES AND SPECTROSCOPIC CHARACTERISTICS OF COMPLEXES OF LANTHANOIDES WITH AMINOCARBOXYPHOSPHONIC ACIDS (review)
The review is devoted to a new class of complexones – aminocarboxyphosphonic acids and lanthanide metal complexes based on them. Interest in such compounds is due to the specificity of the structure of aminocarboxyphosphonic acids molecules, which contain various functional acid groups (carboxylic...
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| Date: | 2024 |
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| Main Author: | |
| Format: | Article |
| Language: | English |
| Published: |
V.I.Vernadsky Institute of General and Inorganic Chemistry
2024
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| Online Access: | https://ucj.org.ua/index.php/journal/article/view/642 |
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| Journal Title: | Ukrainian Chemistry Journal |
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Ukrainian Chemistry Journal| Summary: | The review is devoted to a new class of complexones – aminocarboxyphosphonic acids and lanthanide metal complexes based on them. Interest in such compounds is due to the specificity of the structure of aminocarboxyphosphonic acids molecules, which contain various functional acid groups (carboxylic and phosphonic) at one main nitrogen atom, which differ significantly in basicity, charge, stereochemistry and size. This provides a wide range of coordination possibilities of ligands, which most fully satisfy the spatial requirements of the complexing ion and allows obtaining polynuclear structures of an unusual structure in the crystalline state. The article summarizes the literature data obtained by various authors regarding the study of the structure and spectral properties of aminocarboxyphosphonates of 4-f metals in solutions and crystals, their thermal properties, structural features, prospects for creating multifunctional technical materials based on them are considered. |
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