Open Access
Synthesis of Samarium OxysulfateSm2O2SO4 in the High-Temperature Oxidation Reaction and Its Structural, Thermal and Luminescent Properties
Yuriy Denisenko
1
,
E I Salnikova
2, 3
,
S A Basova
2
,
Maxim S. Molokeev
4, 5, 6
,
A. A. Krylov
7
,
A. S. Aleksandrovsky
8, 9
,
Aleksandr S. Oreshonkov
7, 10
,
V. V. Atuchin
11, 12, 13
,
S S Volkova
14
,
N A Khritokhin
2
,
O.V. Andreev
2, 15
1
3
10
Publication type: Journal Article
Publication date: 2020-03-14
PubMed ID:
32183320
Organic Chemistry
Drug Discovery
Physical and Theoretical Chemistry
Pharmaceutical Science
Molecular Medicine
Analytical Chemistry
Chemistry (miscellaneous)
Abstract
The oxidation process of samariumoxysulfide was studied in the temperature range of 500–1000 °C. Our DTA investigation allowed for establishing the main thermodynamic (∆Hºexp = −654.6 kJ/mol) and kinetic characteristics of the process (Ea = 244 kJ/mol, A = 2 × 1010). The enthalpy value of samarium oxysulfate (ΔHºf (Sm2O2SO4(monocl)) = −2294.0 kJ/mol) formation was calculated. The calculated process enthalpy value coincides with the value determined in the experiment. It was established that samarium oxysulfate crystallizes in the monoclinic symmetry class and its crystal structure belongs to space group C2/c with unit cell parameters a = 13.7442 (2), b = 4.20178 (4) and c = 8.16711 (8)Å, β = 107.224 (1)°, V = 450.498 (9)Å3, Z = 4. The main elements of the crystalline structure are obtained and the cation coordination environment is analyzed in detail. Vibrational spectroscopy methods confirmed the structural model adequacy. The Sm2O2SO4luminescence spectra exhibit three main bands easily assignable to the transitions from 4G5/2 state to 6H5/2, 6H7/2, and 6H9/2 multiplets.
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23
Total citations:
23
Citations from 2025:
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(8.7%)
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Citations in journal:
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GOST
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Denisenko Y. et al. Synthesis of Samarium OxysulfateSm2O2SO4 in the High-Temperature Oxidation Reaction and Its Structural, Thermal and Luminescent Properties // Molecules. 2020. Vol. 25. No. 6. p. 1330.
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Denisenko Y., Salnikova E. I., Basova S. A., Molokeev M. S., Krylov A. A., Aleksandrovsky A. S., Oreshonkov A. S., Atuchin V. V., Volkova S. S., Khritokhin N. A., Andreev O. Synthesis of Samarium OxysulfateSm2O2SO4 in the High-Temperature Oxidation Reaction and Its Structural, Thermal and Luminescent Properties // Molecules. 2020. Vol. 25. No. 6. p. 1330.
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TY - JOUR
DO - 10.3390/molecules25061330
UR - https://doi.org/10.3390/molecules25061330
TI - Synthesis of Samarium OxysulfateSm2O2SO4 in the High-Temperature Oxidation Reaction and Its Structural, Thermal and Luminescent Properties
T2 - Molecules
AU - Denisenko, Yuriy
AU - Salnikova, E I
AU - Basova, S A
AU - Molokeev, Maxim S.
AU - Krylov, A. A.
AU - Aleksandrovsky, A. S.
AU - Oreshonkov, Aleksandr S.
AU - Atuchin, V. V.
AU - Volkova, S S
AU - Khritokhin, N A
AU - Andreev, O.V.
PY - 2020
DA - 2020/03/14
PB - MDPI
SP - 1330
IS - 6
VL - 25
PMID - 32183320
SN - 1420-3049
ER -
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BibTex (up to 50 authors)
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@article{2020_Denisenko,
author = {Yuriy Denisenko and E I Salnikova and S A Basova and Maxim S. Molokeev and A. A. Krylov and A. S. Aleksandrovsky and Aleksandr S. Oreshonkov and V. V. Atuchin and S S Volkova and N A Khritokhin and O.V. Andreev},
title = {Synthesis of Samarium OxysulfateSm2O2SO4 in the High-Temperature Oxidation Reaction and Its Structural, Thermal and Luminescent Properties},
journal = {Molecules},
year = {2020},
volume = {25},
publisher = {MDPI},
month = {mar},
url = {https://doi.org/10.3390/molecules25061330},
number = {6},
pages = {1330},
doi = {10.3390/molecules25061330}
}
Cite this
MLA
Copy
Denisenko, Yuriy, et al. “Synthesis of Samarium OxysulfateSm2O2SO4 in the High-Temperature Oxidation Reaction and Its Structural, Thermal and Luminescent Properties.” Molecules, vol. 25, no. 6, Mar. 2020, p. 1330. https://doi.org/10.3390/molecules25061330.