Refinement of the crystal structure of calcioancylite-(Ce) by the Rietveld method
Journal Article
·
· Crystallography Reports
- Moscow State University, Faculty of Geology (Russian Federation)
The crystal structure of calcioancylite-(Ce) of the (Ca{sub 0.30}Sr{sub 0.22}){sub {Sigma}0.52}(Ce{sub 0.78}La{sub 0.47}Nd{sub 0.16}Pr{sub 0.05}Sm{sub 0.02}){sub {Sigma}1.48}(CO{sub 3}){sub 2} ((OH){sub 1.20}F{sub 0.28}){sub {Sigma}1.48} {center_dot} 1.97H{sub 2}O composition from alkali hydrothermalites of Mont Saint-Hilaire, Canada, has been refined by the Rietveld method. The refinement details are as follows: ADP-2 diffractometer, {lambda}CuK{sub {alpha}} radiation, Ni filter, 10.50 Degree-Sign < 2{theta} < 140.00 Degree-Sign , and the number of reflections ({alpha}{sub 1} + {alpha}{sub 2}) 652. All calculations have been performed within the sp. gr. Pmcn (a = 5.0095(1) A, b = 8.5006(1) A, c = 7.2670(1) A, V = 309.46(1) A{sup 3}, R{sub wp} = 3.45) in the anisotropic approximation of thermal vibrations for cations.
- OSTI ID:
- 22156332
- Journal Information:
- Crystallography Reports, Journal Name: Crystallography Reports Journal Issue: 2 Vol. 58; ISSN 1063-7745; ISSN CYSTE3
- Country of Publication:
- United States
- Language:
- English
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