#------------------------------------------------------------------------------ #$Date: 2023-03-26 11:09:57 +0300 (Sun, 26 Mar 2023) $ #$Revision: 282068 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/02/9000298.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_9000298 loop_ _publ_author_name 'Pabst, A.' _publ_section_title ; The crystallography and structure of eitelite, Na2Mg(CO3)2 ; _journal_name_full 'American Mineralogist' _journal_page_first 211 _journal_page_last 217 _journal_volume 58 _journal_year 1973 _chemical_formula_sum 'C2 Mg Na2 O6' _chemical_name_mineral Eitelite _space_group_IT_number 148 _symmetry_space_group_name_Hall '-R 3' _symmetry_space_group_name_H-M 'R -3 :H' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 4.942 _cell_length_b 4.942 _cell_length_c 16.406 _cell_volume 347.007 _database_code_amcsd 0000307 _exptl_crystal_density_diffrn 2.732 _cod_original_sg_symbol_H-M 'R -3' _cod_original_formula_sum 'Na2 Mg C2 O6' _cod_database_code 9000298 loop_ _space_group_symop_operation_xyz x,y,z 2/3+x,1/3+y,1/3+z 1/3+x,2/3+y,2/3+z y,-x+y,-z 2/3+y,1/3-x+y,1/3-z 1/3+y,2/3-x+y,2/3-z -x+y,-x,z 2/3-x+y,1/3-x,1/3+z 1/3-x+y,2/3-x,2/3+z -x,-y,-z 2/3-x,1/3-y,1/3-z 1/3-x,2/3-y,2/3-z -y,x-y,z 2/3-y,1/3+x-y,1/3+z 1/3-y,2/3+x-y,2/3+z x-y,x,-z 2/3+x-y,1/3+x,1/3-z 1/3+x-y,2/3+x,2/3-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Na 0.00000 0.00000 0.19600 0.00507 Mg 0.00000 0.00000 0.00000 0.00507 C 0.00000 0.00000 0.41000 0.00507 O 0.29300 0.09200 0.41000 0.00507 loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0000307