Rare-Earth Nitrate Complexes with Dimethylformamide

In the rare-earth element nitrate (REE)–dimethylformamide (DMF)–water systems, which can be used to obtain nanosized REE oxides by solution combustion synthesis (SCS), the formation of coordination compounds [M(H 2 O) 3 (DMF)(NO 3 ) 3 ]·H 2 O (M = La–Pr) and [M(DMF) 3 (NO 3 ) 3 ] (M = Sm–Lu, Y) has...

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Bibliographic Details
Published in:Russian journal of inorganic chemistry 2023-04, Vol.68 (4), p.415-423
Main Authors: Petrichko, M. I., Karavaev, I. A., Savinkina, E. V., Grigoriev, M. S., Buzanov, G. A., Retivov, V. M.
Format: Article
Language:English
Subjects:
Chemical analysis
Chemistry
Chemistry and Materials Science
Combustion synthesis
Complex compounds
Coordination Compounds
Dimethylformamide
Infrared spectroscopy
Inorganic Chemistry
Rare earth oxides
Single crystals
Thermogravimetric analysis
X ray powder diffraction
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Summary:In the rare-earth element nitrate (REE)–dimethylformamide (DMF)–water systems, which can be used to obtain nanosized REE oxides by solution combustion synthesis (SCS), the formation of coordination compounds [M(H 2 O) 3 (DMF)(NO 3 ) 3 ]·H 2 O (M = La–Pr) and [M(DMF) 3 (NO 3 ) 3 ] (M = Sm–Lu, Y) has been found. Using physicochemical methods of analysis (IR spectroscopy, X-ray powder diffraction, single-crystal X-ray diffraction, elemental analysis, thermogravimetric analysis, and differential scanning calorimetry), their composition has been determined and structural features have been established; thermolysis processes have been studied in a wide temperature range. It is shown that the final products of the decomposition of complex compounds are oxides of rare earth elements.
ISSN:0036-0236
1531-8613
DOI:10.1134/S0036023623600193