#------------------------------------------------------------------------------ #$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $ #$Revision: 14 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9007648.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_9007648 _chemical_name 'Hollandite' loop_ _publ_author_name 'Post J E' 'Von Dreele R B' 'Buseck P R' _journal_name_full "Acta Crystallographica, Section B" _journal_volume 38 _journal_year 1982 _journal_page_first 1056 _journal_page_last 1065 _publ_section_title ; Symmetry and cation displacements in hollandites: structure refinements of hollandite, cryptomelane and priderite Locality: Stuor Njuoskes, Sweden Note: Anisotropic displacement factors from ICSD ; _chemical_formula_sum 'Ba.34 Pb.08 Mn3.24 Fe.64 Al.12 O8' _cell_length_a 10.026 _cell_length_b 2.8782 _cell_length_c 9.729 _cell_angle_alpha 90 _cell_angle_beta 91.03 _cell_angle_gamma 90 _cell_volume 280.703 _symmetry_space_group_name_H-M 'I 1 2/m 1' 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' '-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_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_Uiso_or_equiv Ba 0.00000 0.00000 0.00000 0.34000 0.01400 Pb 0.00000 0.20200 0.00000 0.04000 0.03600 Mn4+1 0.85183 0.00000 0.33266 0.75000 0.00490 Mn3+1 0.85183 0.00000 0.33266 0.06000 0.00490 Fe1 0.85183 0.00000 0.33266 0.16000 0.00490 Al1 0.85183 0.00000 0.33266 0.03000 0.00490 Mn4+2 0.33670 0.00000 0.15345 0.75000 0.00500 Mn3+2 0.33670 0.00000 0.15345 0.06000 0.00500 Fe2 0.33670 0.00000 0.15345 0.16000 0.00500 Al2 0.33670 0.00000 0.15345 0.03000 0.00500 O1 0.65830 0.00000 0.30220 1.00000 0.00880 O2 0.65520 0.00000 0.04140 1.00000 0.00840 O3 0.29400 0.00000 0.35020 1.00000 0.00880 O4 0.04150 0.00000 0.32220 1.00000 0.00790