#------------------------------------------------------------------------------ #$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9007646.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_9007646 loop_ _publ_author_name 'Post J E' 'Von Dreele R B' 'Buseck P R' _publ_section_title ; Symmetry and cation displacements in hollandites: structure refinements of hollandite, cryptomelane and priderite Locality: West Kimberley, Australia Note: Anisotropic displacement factors from ICSD ; _journal_name_full 'Acta Crystallographica, Section B' _journal_page_first 1056 _journal_page_last 1065 _journal_volume 38 _journal_year 1982 _chemical_formula_sum 'Ba0.1 Fe0.52 K0.66 Mg0.12 Na0.02 O8 Ti3.36' _[local]_cod_chemical_formula_sum_orig 'K.66 Ba.1 Na.02 (Ti3.36 Fe.52 Mg.12) O8' _chemical_name_mineral Priderite _symmetry_space_group_name_H-M 'I 4/m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 10.139 _cell_length_b 10.139 _cell_length_c 2.9664 _cell_volume 304.944 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 K 0.00000 0.00000 0.03000 0.33000 0.02600 Ba 0.00000 0.00000 0.18000 0.05000 0.02400 Na 0.00000 0.00000 0.50000 0.02000 0.01000 Ti4+ 0.85138 0.33235 0.00000 0.84000 0.00760 Fe3+ 0.85138 0.33235 0.00000 0.13000 0.00760 Mg 0.85138 0.33235 0.00000 0.03000 0.00760 O1 0.65498 0.29604 0.00000 1.00000 0.00620 O2 0.04076 0.33441 0.00000 1.00000 0.00680 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 K 0.02140 0.02140 0.03600 0.00000 0.00000 0.00000 Ba 0.01300 0.01300 0.07600 0.00000 0.00000 0.00000 Ti4+ 0.00780 0.00990 0.00590 0.00000 0.00000 -0.00170 Fe3+ 0.00780 0.00990 0.00590 0.00000 0.00000 -0.00170 Mg 0.00780 0.00990 0.00590 0.00000 0.00000 -0.00170 O1 0.00590 0.00640 0.00630 0.00000 0.00000 -0.00010 O2 0.00460 0.01040 0.00670 0.00000 0.00000 -0.00010