#------------------------------------------------------------------------------ #$Date: 2013-03-28 17:17:04 +0100 (Thu, 28 Mar 2013) $ #$Revision: 77586 $ #$URL: svn://www.crystallography.net/cod/cif/9/00/99/9009972.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_9009972 loop_ _publ_author_name 'Nguyen, N.' 'Choisnet, J.' 'Raveau, B.' _publ_section_title ; Silicates synthetiques a structure milarite Locality: synthetic ; _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 1 _journal_page_last 9 _journal_volume 34 _journal_year 1980 _chemical_formula_structural Na3Mg4LiSi12O30 _chemical_formula_sum 'Li Mg4 Na3 O30 Si12' _chemical_name_mineral Na3Mg4LiSi12O30 _space_group_IT_number 192 _symmetry_space_group_name_Hall '-P 6 2c' _symmetry_space_group_name_H-M 'P 6/m c c' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 10.155 _cell_length_b 10.155 _cell_length_c 14.158 _cell_volume 1264.423 _exptl_crystal_density_diffrn 2.601 _[local]_cod_chemical_formula_sum_orig 'Na3 Mg4 Li Si12 O30' _cod_database_code 9009972 _amcsd_database_code AMCSD#0013554 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-x+y,1/2+z x,x-y,1/2-z -x+y,-x,-z x-y,x,z -y,-x,1/2+z y,x,1/2-z y,-x+y,-z -y,x-y,z x-y,-y,1/2+z -x+y,y,1/2-z x,y,-z -x,-y,z x,x-y,1/2+z -x,-x+y,1/2-z x-y,x,-z -x+y,-x,z y,x,1/2+z -y,-x,1/2-z -y,x-y,-z y,-x+y,z -x+y,y,1/2+z x-y,-y,1/2-z -x,-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 NaA1 0.00000 0.00000 0.25000 1.00000 0.03293 NaA2 0.33333 0.66667 0.00000 1.00000 0.02660 MgM1 0.33333 0.66667 0.25000 1.00000 0.01140 MgM2 0.50000 0.00000 0.25000 0.66670 0.01520 LiM1 0.50000 0.00000 0.25000 0.33330 0.01520 Si 0.76300 0.11000 0.10800 1.00000 0.01013 O1 0.73800 0.13800 0.00000 1.00000 0.01773 O2 0.93700 0.20700 0.13600 1.00000 0.01267 O3 0.66900 0.16000 0.16400 1.00000 0.00887