#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/01/10/1011019.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_1011019 loop_ _publ_author_name 'Gossner, B' _publ_section_title ; Ueber die Kristallstruktur von Glaserit und Kaliumsulfat. ; _journal_coden_ASTM NJMBLA _journal_name_full ; Neues Jahrbuch fuer Mineralogie, Geologie und Palaeontologie. Beilage (- 1925) ; _journal_page_first 89 _journal_page_last 116 _journal_volume 57 _journal_year 1928 _chemical_formula_structural 'Na K3 (S O4)2' _chemical_formula_sum 'K3 Na O8 S2' _chemical_name_mineral Aphthitalite _chemical_name_systematic 'Sodium tripotassium sulfate' _space_group_IT_number 164 _symmetry_cell_setting trigonal _symmetry_Int_Tables_number 164 _symmetry_space_group_name_Hall '-P 3 2"' _symmetry_space_group_name_H-M 'P -3 m 1' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 1 _cell_length_a 5.65(2) _cell_length_b 5.65(2) _cell_length_c 7.29(9) _cell_volume 201.5 _exptl_crystal_density_meas 2.7 _cod_database_code 1011019 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,x-y,z y-x,-x,z -y,-x,z x,x-y,z y-x,y,z -x,-y,-z y,y-x,-z x-y,x,-z y,x,-z -x,y-x,-z x-y,-y,-z 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 Na1 Na1+ 1 a 0. 0. 0. 1. 0 d K1 K1+ 1 b 0. 0. 0.5 1. 0 d K2 K1+ 2 d 0.6667 0.3333 0.875 1. 0 d S1 S6+ 2 d 0.6667 0.3333 0.27 1. 0 d O1 O2- 2 d 0.6667 0.3333 0.46 1. 0 d O2 O2- 6 i 0.2 -0.2 0.2 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Na1+ 1.000 K1+ 1.000 S6+ 6.000 O2- -2.000