#------------------------------------------------------------------------------ #$Date: 2016-01-28 07:41:46 +0000 (Thu, 28 Jan 2016) $ #$Revision: 175221 $ #$URL: svn://www.crystallography.net/cod/cif/1/53/25/1532525.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_1532525 loop_ _publ_author_name 'Kumada, N.' 'Takei, T.' 'Hirose, K.' 'Kinomura, N.' _publ_section_title ; Synthesis and crystal structure of hollandite-type K~x~Nb~y~Ti~8-y~O~16~ ( x ≤ 1.15, 0 ≤ y ≤ 1) ; _journal_issue 1293 _journal_name_full 'Journal of the Ceramic Society of Japan' _journal_page_first 352 _journal_page_last 356 _journal_paper_doi 10.2109/jcersj.111.352 _journal_volume 111 _journal_year 2003 _chemical_formula_sum 'K1.15 Nb0.67 O16 Ti7.33' _chemical_name_systematic 'K1.15 (Nb0.67 Ti7.33 O16)' _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_formula_units_Z 1 _cell_length_a 10.226 _cell_length_b 10.226 _cell_length_c 2.974 _cell_volume 310.994 _citation_journal_id_ASTM JCSJEW _cod_data_source_file Kumada_JCSJEW_2003_1559.cif _cod_data_source_block K1.15Nb0.67O16Ti7.33 _cod_original_cell_volume 310.9944 _cod_database_code 1532525 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,x,z -x,-y,z y,-x,z -x,-y,-z y,-x,-z x,y,-z -y,x,-z x+1/2,y+1/2,z+1/2 -y+1/2,x+1/2,z+1/2 -x+1/2,-y+1/2,z+1/2 y+1/2,-x+1/2,z+1/2 -x+1/2,-y+1/2,-z+1/2 y+1/2,-x+1/2,-z+1/2 x+1/2,y+1/2,-z+1/2 -y+1/2,x+1/2,-z+1/2 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Ti1 Ti+3 0.66798 0.14892 0 0.916 0.0 O2 O-2 0.795 0.1566 0.5 1 0.0 Nb1 Nb+4 0.66798 0.14892 0 0.084 0.0 O1 O-2 0.5394 0.1652 0.5 1 0.0 K1 K+1 0 0 0 0.288 0.0 K2 K+1 0 0 0.14 0.144 0.0