#------------------------------------------------------------------------------ #$Date: 2010-04-10 21:37:29 +0300 (Sat, 10 Apr 2010) $ #$Revision: 1071 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9001094.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9001094 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: FInEC-A3 ; _journal_name_full 'American Mineralogist' _journal_page_first 959 _journal_page_last 964 _journal_volume 72 _journal_year 1987 _chemical_formula_sum 'F2 In0.962 Mg4.038 Na3 O22 Si8' _chemical_name_mineral Eckermannite _space_group_IT_number 12 _symmetry_space_group_name_Hall '-C 2y' _symmetry_space_group_name_H-M 'C 1 2/m 1' _cell_angle_alpha 90 _cell_angle_beta 103.521 _cell_angle_gamma 90 _cell_length_a 9.8527 _cell_length_b 18.0966 _cell_length_c 5.2928 _cell_volume 917.553 _exptl_crystal_density_diffrn 3.229 _[local]_cod_data_source_file cifdata.txt _[local]_cod_data_source_block 'global_1115' _[local]_cod_chemical_formula_sum_orig 'O22 F2 Si8 Mg4.038 In.962 Na3' _cod_database_code 9001094 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 0.11880 0.08440 0.22200 1.00000 0.01013 O2 0.11640 0.16570 0.72100 1.00000 0.01013 F3 0.10600 0.00000 0.71600 1.00000 0.01013 O4 0.35750 0.24530 0.78900 1.00000 0.01013 O5 0.35480 0.12610 0.08300 1.00000 0.01393 O6 0.34390 0.11730 0.58600 1.00000 0.01393 O7 0.34700 0.00000 0.29200 1.00000 0.01520 Si1 0.28480 0.08400 0.29050 1.00000 0.00507 Si2 0.28800 0.16780 0.79570 1.00000 0.00507 Mg1 0.00000 0.08460 0.50000 1.00000 0.00760 Mg2 0.00000 0.18220 0.00000 0.51900 0.00760 In2 0.00000 0.18220 0.00000 0.48100 0.00760 Mg3 0.00000 0.00000 0.00000 1.00000 0.00760 Na4 0.00000 0.27590 0.50000 1.00000 0.01140 NaA 0.02900 0.50000 0.07700 0.50000 0.02913