#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/01/04/1010431.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_1010431 loop_ _publ_author_name 'Wyart, M J' _publ_section_title ; Etude cristallographique d'une leucite artificielle. Structure atomique et symetrie du mineral ; _journal_coden_ASTM BSFMAU _journal_name_full ; Bulletin de la Societe Francaise de Mineralogie (-71,1948) ; _journal_page_first 5 _journal_page_last 17 _journal_volume 63 _journal_year 1940 _chemical_formula_structural 'K Al Si2 O6' _chemical_formula_sum 'Al K O6 Si2' _chemical_name_systematic 'Potassium aluminium catena-silicate' _space_group_IT_number 230 _symmetry_cell_setting cubic _symmetry_Int_Tables_number 230 _symmetry_space_group_name_Hall '-I 4bd 2c 3' _symmetry_space_group_name_H-M 'I a -3 d' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 16 _cell_length_a 13.40(3) _cell_length_b 13.40(3) _cell_length_c 13.40(3) _cell_volume 2406.1 _cod_database_code 1010431 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2-y,-z -x,1/2+y,1/2-z 1/2-x,-y,1/2+z y,z,x 1/2-y,-z,1/2+x 1/2+y,1/2-z,-x -y,1/2+z,1/2-x z,x,y -z,1/2+x,1/2-y 1/2-z,-x,1/2+y 1/2+z,1/2-x,-y -x,-y,-z 1/2-x,1/2+y,z x,1/2-y,1/2+z 1/2+x,y,1/2-z -y,-z,-x 1/2+y,z,1/2-x 1/2-y,1/2+z,x y,1/2-z,1/2+x -z,-x,-y z,1/2-x,1/2+y 1/2+z,x,1/2-y 1/2-z,1/2+x,y 1/4+x,1/4+z,1/4+y 3/4+x,1/4-z,3/4-y 1/4-x,3/4-z,3/4+y 3/4-x,3/4+z,1/4-y 1/4+y,1/4+x,1/4+z 3/4-y,3/4+x,1/4-z 3/4+y,1/4-x,3/4-z 1/4-y,3/4-x,3/4+z 1/4+z,1/4+y,1/4+x 1/4-z,3/4-y,3/4+x 3/4-z,3/4+y,1/4-x 3/4+z,1/4-y,3/4-x 1/4-x,1/4-z,1/4-y 3/4-x,1/4+z,3/4+y 1/4+x,3/4+z,3/4-y 3/4+x,3/4-z,1/4+y 1/4-y,1/4-x,1/4-z 3/4+y,3/4-x,1/4+z 3/4-y,1/4+x,3/4+z 1/4+y,3/4+x,3/4-z 1/4-z,1/4-y,1/4-x 1/4+z,3/4+y,3/4-x 3/4+z,3/4-y,1/4+x 3/4-z,1/4+y,3/4+x 1/2+x,1/2+y,1/2+z x,-y,1/2-z 1/2-x,y,-z -x,1/2-y,z 1/2+y,1/2+z,1/2+x -y,1/2-z,x y,-z,1/2-x 1/2-y,z,-x 1/2+z,1/2+x,1/2+y 1/2-z,x,-y -z,1/2-x,y z,-x,1/2-y 1/2-x,1/2-y,1/2-z -x,y,1/2+z 1/2+x,-y,z x,1/2+y,-z 1/2-y,1/2-z,1/2-x y,1/2+z,-x -y,z,1/2+x 1/2+y,-z,x 1/2-z,1/2-x,1/2-y 1/2+z,-x,y z,1/2+x,-y -z,x,1/2+y 3/4+x,3/4+z,3/4+y 1/4+x,3/4-z,1/4-y 3/4-x,1/4-z,1/4+y 1/4-x,1/4+z,3/4-y 3/4+y,3/4+x,3/4+z 1/4-y,1/4+x,3/4-z 1/4+y,3/4-x,1/4-z 3/4-y,1/4-x,1/4+z 3/4+z,3/4+y,3/4+x 3/4-z,1/4-y,1/4+x 1/4-z,1/4+y,3/4-x 1/4+z,3/4-y,1/4-x 3/4-x,3/4-z,3/4-y 1/4-x,3/4+z,1/4+y 3/4+x,1/4+z,1/4-y 1/4+x,1/4-z,3/4+y 3/4-y,3/4-x,3/4-z 1/4+y,1/4-x,3/4+z 1/4-y,3/4+x,1/4+z 3/4+y,1/4+x,1/4-z 3/4-z,3/4-y,3/4-x 3/4+z,1/4+y,1/4-x 1/4+z,1/4-y,3/4+x 1/4-z,3/4+y,1/4+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 K1 K1+ 16 b 0.125 0.125 0.125 1. 0 d Al1 Al3+ 48 g 0.161 0.089 0.625 0.33 0 d Si1 Si4+ 48 g 0.161 0.089 0.625 0.67 0 d O1 O2- 96 h 0.111 0.131 0.722 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number K1+ 1.000 Al3+ 3.000 Si4+ 4.000 O2- -2.000