#------------------------------------------------------------------------------ #$Date: 2015-07-10 15:13:57 +0300 (Fri, 10 Jul 2015) $ #$Revision: 142266 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/52/20/1522047.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_1522047 loop_ _publ_author_name 'Tortelier, J.' 'Emge, T.J.' 'Veith, G.' 'Greenblatt, M.' _publ_section_title ; Synthesis, crystal structure, and physical properties of Sr0.93 (Six Nb1-x) Nb10 O19 (x=0.87) ; _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 540 _journal_page_last 545 _journal_volume 152 _journal_year 2000 _chemical_formula_sum 'Nb10.132 O19 Si0.867 Sr0.926' _chemical_name_systematic 'Sr0.926 (Si0.867 Nb0.132) Nb10 O19' _space_group_IT_number 148 _symmetry_space_group_name_Hall '-R 3' _symmetry_space_group_name_H-M 'R -3 :H' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 6 _cell_length_a 7.843 _cell_length_b 7.843 _cell_length_c 42.26 _cell_volume 2251.254 _citation_journal_id_ASTM JSSCBI _cod_data_source_file Tortelier_JSSCBI_2000_1924.cif _cod_data_source_block Nb10.132O19Si0.867Sr0.926 _cod_database_code 1522047 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,x-y,z -x+y,-x,z -x,-y,-z y,-x+y,-z x-y,x,-z x+2/3,y+1/3,z+1/3 -y+2/3,x-y+1/3,z+1/3 -x+y+2/3,-x+1/3,z+1/3 -x+2/3,-y+1/3,-z+1/3 y+2/3,-x+y+1/3,-z+1/3 x-y+2/3,x+1/3,-z+1/3 x+1/3,y+2/3,z+2/3 -y+1/3,x-y+2/3,z+2/3 -x+y+1/3,-x+2/3,z+2/3 -x+1/3,-y+2/3,-z+2/3 y+1/3,-x+y+2/3,-z+2/3 x-y+1/3,x+2/3,-z+2/3 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 Nb1 Nb+2 0.2182 0.191 0.4183 1 0.0 O4 O-2 0.5796 0.8478 0.4978 1 0.0 Sr2 Sr+2 0 0 0 0.852 0.0 O2 O-2 0.4341 0.1738 0.3897 1 0.0 Si1 Si+4 0 0 0.2626 0.867 0.0 O7 O-2 0 0 0.2223 1 0.0 Nb2 Nb+2 0.027 0.2188 0.3631 1 0.0 O6 O-2 0.238 0.2041 0.3355 1 0.0 Nb5 Nb+5 0 0 0.2961 0.132 0.0 O1 O-2 0.194 0.973 0.4479 1 0.0 O5 O-2 0.4936 0.3988 0.4432 1 0.0 Nb3 Nb+4 0.536 0.6062 0.474 1 0.0 Nb4 Nb+5 0 0 0.0833 1 0.0 O3 O-2 0.081 0.2281 0.2739 1 0.0 Sr1 Sr+2 0 0 0.5 1 0.0