#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/01/09/1010932.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_1010932 loop_ _publ_author_name 'Naray-Szabo, S' 'Sasvari, K' _publ_section_title 'Die Struktur des Kryoliths Na3 Al F6' _journal_coden_ASTM ZEKGAX _journal_name_full ; Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977) ; _journal_page_first 27 _journal_page_last 31 _journal_volume 99 _journal_year 1938 _chemical_compound_source 'from Greenland' _chemical_formula_structural 'Na3 Al F6' _chemical_formula_sum 'Al F6 Na3' _chemical_name_mineral Cryolite _chemical_name_systematic 'Sodium hexafluoroaluminate' _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_Int_Tables_number 14 _symmetry_space_group_name_Hall '-P 2yn' _symmetry_space_group_name_H-M 'P 1 21/n 1' _cell_angle_alpha 90 _cell_angle_beta 90.18 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 5.46 _cell_length_b 5.61 _cell_length_c 7.8 _cell_volume 238.9 _exptl_crystal_density_meas 2.95 _cod_database_code 1010932 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2-y,1/2+z -x,-y,-z 1/2-x,1/2+y,1/2-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 Al1 Al3+ 2 a 0. 0. 0. 1. 0 d Na1 Na1+ 2 b 0. 0. 0.5 1. 0 d Na2 Na1+ 4 e 0.5 -0.055 0.24 1. 0 d F1 F1- 4 e 0.065 0.06 0.22 1. 0 d F2 F1- 4 e -0.29 0.16 0.03 1. 0 d F3 F1- 4 e 0.15 0.28 -0.06 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Al3+ 3.000 Na1+ 1.000 F1- -1.000