Zhang L, Aksenov SM, Kokot AM, Perry SN, Olds TA, Burns PC. Crystal Chemistry and Structural Complexity of Uranium(IV) Sulfates: Synthesis of U
3H
2(SO
4)
7(H
2O)
5·3H
2O and U
3(UO
2)
0.2(SO
4)
6(OH)
0.4·2.3H
2O with Framework Structures by the Photochemical Reduction of Uranyl.
Inorg Chem 2020;
59:5813-5817. [PMID:
32314904 DOI:
10.1021/acs.inorgchem.0c00385]
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Abstract
Two uranium(IV) sulfate framework compounds were crystallized at room temperature from aqueous solutions containing uranyl ions by photochemical reduction in the presence of 2-propanol. U3H2(SO4)7(H2O)5·3H2O (1) crystallizes in space group P65 with a = 9.3052(17) Å, c = 53.515(10) Å, V = 4012.9(13) Å3, and Z = 6, and U3(UO2)0.2(SO4)6(OH)0.4·2.3H2O (2) is tetragonal, with space group P42/nmc, a = 25.624(3) Å, c = 8.9435(10) Å, V = 5872.2(11) Å3, and Z = 8. The structures of 1 and 2 are the most complex among uranium(IV) sulfates.
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