Open Access
Symmetry, volume 14, issue 12, pages 2634
Crystal Structure of Mixed Np(V)-Ammonium Carbonate
Nevolin Iurii M
1, 2
,
Averin Alexey A
1
,
Krot Anna D
2
,
Teterin Yury A
2, 3
,
Fedoseev Alexander M
1
Publication type: Journal Article
Publication date: 2022-12-13
Chemistry (miscellaneous)
Physics and Astronomy (miscellaneous)
General Mathematics
Computer Science (miscellaneous)
Abstract
This work presents details of the synthesis, properties and structure of a novel neptunium carbonate (NH4)[NpO2CO3], a member of the M[AnO2CO3] (M = K, (NH4), Rb, Cs) class of compounds. Carbonates play an important role in the migration of actinides in the environment, and thus are relevant for handling and disposal of radioactive wastes, including spent nuclear fuel and vitrified raffinates. Knowledge of the crystallographic structure of these compounds is important for models of the environmental migration behavior based on thermodynamic descriptions of such chemical processes. (NH4)[NpO2CO3] crystals were obtained during long-term hydrothermal treatment of Np(VI) in aqueous ammonia at 250 °C. X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) show that a single-phase sample containing only Np(V) was obtained. Structural features of (NH4)[NpO2CO3] were elucidated from single crystal X-ray diffraction and confirmed by vibrational spectroscopy. The results obtained are of interest both for fundamental radiochemistry and for applied problems of the nuclear fuel cycle.
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Inorganic Chemistry
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Inorganic Chemistry
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American Chemical Society (ACS)
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American Chemical Society (ACS)
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Nevolin I. M. et al. Crystal Structure of Mixed Np(V)-Ammonium Carbonate // Symmetry. 2022. Vol. 14. No. 12. p. 2634.
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Nevolin I. M., Petrov V. G., Grigoriev M. S., Averin A. A., Shiryaev A. A., Krot A. D., Maslakov K., Teterin Y. A., Fedoseev A. M. Crystal Structure of Mixed Np(V)-Ammonium Carbonate // Symmetry. 2022. Vol. 14. No. 12. p. 2634.
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TY - JOUR
DO - 10.3390/sym14122634
UR - https://doi.org/10.3390%2Fsym14122634
TI - Crystal Structure of Mixed Np(V)-Ammonium Carbonate
T2 - Symmetry
AU - Nevolin, Iurii M
AU - Petrov, Vladimir G
AU - Grigoriev, Mikhail S.
AU - Shiryaev, Andrey A.
AU - Krot, Anna D
AU - Maslakov, Konstantin
AU - Teterin, Yury A
AU - Fedoseev, Alexander M
AU - Averin, Alexey A
PY - 2022
DA - 2022/12/13 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 2634
IS - 12
VL - 14
SN - 2073-8994
ER -
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@article{2022_Nevolin,
author = {Iurii M Nevolin and Vladimir G Petrov and Mikhail S. Grigoriev and Andrey A. Shiryaev and Anna D Krot and Konstantin Maslakov and Yury A Teterin and Alexander M Fedoseev and Alexey A Averin},
title = {Crystal Structure of Mixed Np(V)-Ammonium Carbonate},
journal = {Symmetry},
year = {2022},
volume = {14},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {dec},
url = {https://doi.org/10.3390%2Fsym14122634},
number = {12},
pages = {2634},
doi = {10.3390/sym14122634}
}
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Nevolin, Iurii M., et al. “Crystal Structure of Mixed Np(V)-Ammonium Carbonate.” Symmetry, vol. 14, no. 12, Dec. 2022, p. 2634. https://doi.org/10.3390%2Fsym14122634.