#------------------------------------------------------------------------------ #$Date: 2008-03-10 10:25:41 +0200 (Mon, 10 Mar 2008) $ #$Revision: 255 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9001095.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_9001095 loop_ _publ_author_name 'Raudsepp M' 'Turnock A C' 'Hawthorne F C' _publ_section_title ; Characterization of cation ordering in synthetic scandium-fluor-eckermannite, indium-fluor-eckermannite, and scandium-fluor-nyboite by Rietveld structure refinement Sample: FScNY-A3 ; _journal_name_full 'American Mineralogist' _journal_page_first 959 _journal_page_last 964 _journal_volume 72 _journal_year 1987 _chemical_formula_sum 'O22 F2 Si7 Al Mg3.214 Sc1.786 Na3' _chemical_name_mineral Nyboite _symmetry_space_group_name_H-M 'C 1 2/m 1' _cell_angle_alpha 90 _cell_angle_beta 103.979 _cell_angle_gamma 90 _cell_length_a 9.8425 _cell_length_b 18.157 _cell_length_c 5.3381 _cell_volume 925.721 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2+y,z x,-y,z 1/2+x,1/2-y,z -x,y,-z 1/2-x,1/2+y,-z -x,-y,-z 1/2-x,1/2-y,-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv O1 0.10800 0.09060 0.21000 1.00000 0.01013 O2 0.12100 0.16620 0.72800 1.00000 0.01013 F3 0.10100 0.00000 0.71000 1.00000 0.01013 O4 0.36100 0.24750 0.78800 1.00000 0.01013 O5 0.34700 0.13260 0.08500 1.00000 0.01393 O6 0.34300 0.11940 0.59300 1.00000 0.01393 O7 0.34200 0.00000 0.30000 1.00000 0.01520 Si1 0.28420 0.08380 0.29000 0.75000 0.00507 Al1 0.28420 0.08380 0.29000 0.25000 0.00507 Si2 0.29260 0.16790 0.80000 1.00000 0.00507 Mg1 0.00000 0.08760 0.50000 1.00000 0.00760 Mg2 0.00000 0.18010 0.00000 0.10700 0.00760 Sc2 0.00000 0.18010 0.00000 0.89300 0.00760 Mg3 0.00000 0.00000 0.00000 1.00000 0.00760 Na4 0.00000 0.27760 0.50000 1.00000 0.01140 NaA 0.04300 0.50000 0.10200 0.50000 0.02913