data_global _chemical_name_mineral 'Sodalite' loop_ _publ_author_name 'Barth T' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 83 _journal_year 1932 _journal_page_first 405 _journal_page_last 414 _publ_section_title ; The structures of the minerals of the sodalite family _cod_database_code 1011139 ; _database_code_amcsd 0018028 _chemical_formula_sum 'Na4 (Al3 Si3) O12 Cl' _cell_length_a 8.89 _cell_length_b 8.89 _cell_length_c 8.89 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 702.595 _exptl_crystal_density_diffrn 2.291 _symmetry_space_group_name_H-M 'P -4 3 m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-z,x,-y' '-y,z,-x' '-x,y,-z' 'x,-z,-y' 'z,-y,-x' 'y,-x,-z' 'x,z,y' 'z,y,x' 'y,x,z' '-z,-x,y' '-y,-z,x' '-x,-y,z' 'z,-x,-y' 'y,-z,-x' 'x,-y,-z' '-x,z,-y' '-z,y,-x' '-y,x,-z' '-x,-z,y' '-z,-y,x' '-y,-x,z' 'z,x,y' 'y,z,x' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Na1 0.17500 0.17500 0.17500 1.00000 Na2 0.67500 0.67500 0.67500 1.00000 Al1 0.25000 0.00000 0.50000 0.50000 Si1 0.25000 0.00000 0.50000 0.50000 O1 0.14700 0.14700 0.44500 1.00000 O2 0.66000 0.66000 -0.05600 1.00000 Cl1 0.00000 0.00000 0.00000 1.00000 Cl2 0.50000 0.50000 0.50000 1.00000