Syntheses, Structures, and Comparisons of Thallium Uranium Phosphites, Mixed Phosphate-Phosphites, and Phosphate
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https://figshare.com/articles/dataset/Syntheses_Structures_and_Comparisons_of_Thallium_Uranium_Phosphites_Mixed_Phosphate_Phosphites_and_Phosphate/2428687
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资源简介：
A new
family of six thallium uranium phosphites and phosphates
has been synthesized. Here there are three new thallium uranyl phosphites,
Tl2[(UO2)(HPO3)(H2PO3)]2 1, Tl2[(UO2)2(HPO3)3]·H2O 2, and Tl6[(UO2)5(H2O)(HPO3)8]·2H2O 3, a uranyl phosphate-phosphite, Tl3[(UO2)2(H1.5PO4)(H0.5PO4)(H1.5PO3)2] 4, a mixed uranium(VI)–uranium(IV)
phosphate-phosphite, Tl2[(UO2)2(UIV)(H2O)(PO4)2(HPO3)2] 5, and, finally,
a thallium uranium(IV) phosphate, Tl2[UIV(PO4)2] 6, which were hydrothermally synthesized
using thallium carbonate, uranyl nitrate, and H3PO3 as initial reagents. The above phases were all isolated from
mixtures and were characterized by single-crystal X-ray diffraction
and solid-state UV–vis–NIR spectroscopy. Compounds 1, 2, 3, and 5 are
isotypic to known topologies. Herein, we investigate these six new
thallium compounds and explore the effects of the thallium carbonate
concentration and time on the reduction of uranium, via the phosphite
ligand, within the crystalline products observed and also examine
how these thallium species relate in terms of unit cells, symmetry,
and bonding to known uranium phases.
创建时间：
2016-02-19
