The crystal structure of some alkaline earth metal uranates of the typeM3UO6

1966 ◽  
Vol 20 (4) ◽  
pp. 508-513 ◽  
Author(s):  
H. M. Rietveld
2020 ◽  
Vol 44 (10) ◽  
pp. 3882-3887 ◽  
Author(s):  
Xiaowen Niu ◽  
Li Wang

Rb9Ba24(BO3)19 features an intricate 3D Ba–O framework with three types of infinite channels where the Rb+ cations and isolated BO3 units are located.


2017 ◽  
Vol 47 (10) ◽  
pp. 1392-1397 ◽  
Author(s):  
Xue-Min Jing ◽  
Guo-Ping Yang ◽  
Qiu-Xiang Zhou ◽  
Fu-Cai Dai ◽  
Li-Lei Ren

IUCrData ◽  
2016 ◽  
Vol 1 (9) ◽  
Author(s):  
Daniel Smets ◽  
Miriam Sobieray ◽  
Uwe Ruschewitz

[Ba(C8F4O4)(C3H7NO)(C2H5OH)] or [Ba(tfBDC)(DMF)(EtOH)], where tfBDC2−= tetrafluoroterephthalate, DMF = dimethylformamide, EtOH = ethanol, systematic name poly[(dimethylformamide-1κO)(ethanol-1κO)(μ5-2,3,5,6-tetrafluorobenzenedicarboxylato-1:2κ2O1;1:3κ2O1′;4κO4;5κO4′)barium(II)], has been synthesized by a diffusion controlled synthesis from an EtOH/DMF solution. In the crystal structure two crystallographically independent Ba2+cations are linked by two crystallographically distinct tfBDC2−anions to form a three-dimensional network structure. The coordination spheres of the first (CN = 8) and second (CN = 8) independent Ba cations are completed by the O atoms of DMF and EtOH molecules, with both EtOH molecules being disordered over two sets of sites (occupancy ratio 0.7:0.3 and 0.6:0.4, respectively).


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