#------------------------------------------------------------------------------ #$Date: 2013-03-28 18:17:04 +0200 (Thu, 28 Mar 2013) $ #$Revision: 77586 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/01/11/1011185.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_1011185 loop_ _publ_author_name 'Pauling, L' _publ_section_title 'The structure of sodalite and helvite' _journal_coden_ASTM ZEKGAX _journal_name_full ; Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977) ; _journal_page_first 213 _journal_page_last 225 _journal_volume 74 _journal_year 1930 _chemical_compound_source 'from Bancroft, Ontario' _chemical_formula_structural 'Na8 (Al6 Si6 O24) Cl2' _chemical_formula_sum 'Al6 Cl2 Na8 O24 Si6' _chemical_name_mineral Sodalite _chemical_name_systematic ; Octasodium tecto-hexaalumohexasilicate dichloride ; _symmetry_cell_setting cubic _symmetry_Int_Tables_number 218 _symmetry_space_group_name_H-M 'P -4 3 n' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 1 _cell_length_a 8.87 _cell_length_b 8.87 _cell_length_c 8.87 _cell_volume 697.9 _exptl_crystal_density_meas 2.3 _cod_database_code 1011185 loop_ _symmetry_equiv_pos_as_xyz x,y,z y,z,x z,x,y -x,y,-z -y,z,-x -z,x,-y x,-y,-z y,-z,-x z,-x,-y -x,-y,z -y,-z,x -z,-x,y 1/2+x,1/2+z,1/2+y 1/2+y,1/2+x,1/2+z 1/2+z,1/2+y,1/2+x 1/2-x,1/2-z,1/2+y 1/2-y,1/2-x,1/2+z 1/2-z,1/2-y,1/2+x 1/2+x,1/2-z,1/2-y 1/2+y,1/2-x,1/2-z 1/2+z,1/2-y,1/2-x 1/2-x,1/2+z,1/2-y 1/2-y,1/2+x,1/2-z 1/2-z,1/2+y,1/2-x loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Cl1 Cl1- 2 a 0. 0. 0. 1. 0 d Na1 Na1+ 8 e 0.175 0.175 0.175 1. 0 d Si1 Si4+ 6 d 0.25 0. 0.5 1. 0 d Al1 Al3+ 6 c 0.25 0.5 0. 1. 0 d O1 O2- 24 i 0.135 0.44 0.15 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Cl1- -1.000 Na1+ 1.000 Si4+ 4.000 Al3+ 3.000 O2- -2.000