#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9007499.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_9007499 loop_ _publ_author_name 'Shi-bin X' 'Hai-fu F' 'Xiao-jing W' 'Fang-hua L' _publ_section_title ; Direct methods in superspace. II The first application to an unknown incommensurate modulated structure Note: this is the average structure, isomorphous with hollandite Note: y-coordinate of O2 altered from .248 to make regular TiO6 polyhedra Locality: Shiti barite deposit, Ankang County, Shaanxi, China ; _journal_name_full 'Acta Crystallographica, Section A' _journal_page_first 929 _journal_page_last 934 _journal_volume 46 _journal_year 1990 _chemical_formula_sum 'Ba0.4 O8 Ti4' _[local]_cod_chemical_formula_sum_orig 'Ba.4 Ti4 O8' _chemical_name_mineral Ankangite _symmetry_space_group_name_H-M 'I 4/m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 10.12 _cell_length_b 10.12 _cell_length_c 2.96 _cell_volume 303.147 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2+y,1/2+z y,-x,-z 1/2+y,1/2-x,1/2-z -y,x,z 1/2-y,1/2+x,1/2+z x,y,-z 1/2+x,1/2+y,1/2-z -x,-y,z 1/2-x,1/2-y,1/2+z -y,x,-z 1/2-y,1/2+x,1/2-z y,-x,z 1/2+y,1/2-x,1/2+z -x,-y,-z 1/2-x,1/2-y,1/2-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Ba 0.00000 0.00000 0.50000 0.40000 0.00633 Ti 0.36600 0.15500 0.00000 1.00000 0.03166 O1 0.16500 0.19800 0.00000 1.00000 0.03800 O2 0.57200 0.14800 0.00000 1.00000 0.04749 _cod_database_code 9007499