#------------------------------------------------------------------------------ #$Date: 2016-11-14 00:28:54 +0200 (Mon, 14 Nov 2016) $ #$Revision: 188416 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/13/9011334.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9011334 loop_ _publ_author_name 'Michiue, Y.' _publ_section_title ; Probability density analyses of guest ions in hollandite AxMgx/2Ti8-x/2O16 (A = K, Rb) Locality: synthetic Sample: 8 ; _journal_issue 4 _journal_name_full 'Acta Crystallographica, Section B' _journal_page_first 577 _journal_page_last 583 _journal_paper_doi 10.1107/S0108768107023531 _journal_volume 63 _journal_year 2007 _chemical_formula_sum 'Mg0.376 O8 Rb0.751 Ti3.624' _chemical_name_mineral Hollandite _space_group_IT_number 87 _symmetry_space_group_name_Hall '-I 4' _symmetry_space_group_name_H-M 'I 4/m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 10.2052 _cell_length_b 10.2052 _cell_length_c 2.9717 _cell_volume 309.491 _exptl_crystal_density_diffrn 4.022 _cod_original_formula_sum 'Rb.751 (Ti3.624 Mg.376) O8' _cod_database_code 9011334 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_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 Rb1 0.01780 0.01780 0.02800 0.00000 0.00000 0.00000 Rb2 0.01230 0.01230 0.03800 0.00000 0.00000 0.00000 Ti 0.00773 0.00866 0.00581 0.00090 0.00000 0.00000 Mg 0.00773 0.00866 0.00581 0.00090 0.00000 0.00000 O1 0.00660 0.00680 0.00650 -0.00010 0.00000 0.00000 O2 0.00560 0.01060 0.00840 0.00020 0.00000 0.00000 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 Rb1 0.00000 0.00000 0.50000 0.25500 0.02100 Rb2 0.00000 0.00000 0.32300 0.24800 0.02080 Ti 0.34990 0.16657 0.00000 0.90610 0.00740 Mg 0.34990 0.16657 0.00000 0.09390 0.00740 O1 0.15623 0.20687 0.00000 1.00000 0.00664 O2 0.53975 0.16622 0.00000 1.00000 0.00818