Mixed-Valence Uranium Germanate and Silicate: Csx(UVO)(UIV/VO)2(Ge2O7)2 (x = 3.18) and Cs4(UVO)(UIV/VO)2(Si2O7)2
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https://figshare.com/articles/dataset/Mixed_Valence_Uranium_Germanate_and_Silicate_Cs_sub_i_x_i_sub_U_sup_V_sup_O_U_sup_IV_V_sup_O_sub_2_sub_Ge_sub_2_sub_O_sub_7_sub_sub_2_sub_i_x_i_3_18_and_Cs_sub_4_sub_U_sup_V_sup_O_U_sup_IV_V_sup_O_sub_2_sub_Si_sub_2_sub_O_sub_7_sub_sub_2_sub_/2505349
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资源简介：
A new mixed-valence uranium germanate and the silicate analogue have been synthesized under hydrothermal conditions at 600 °C and 165 MPa. Their crystal structures contain infinite −UV–O–UIV/V–O–UIV/V–O–UV– chains that are connected by Ge2O7 or Si2O7 groups to form a 3D framework with six-ring channels where the Cs+ cations are located. Two of the Cs sites in the germanate are partially occupied. Bond-valence-sum calculation and an U 4f X-ray photoelectron spectroscopy study confirm the valence states of the uranium.
创建时间：
2016-02-20
