#------------------------------------------------------------------------------ #$Date: 2012-07-05 16:58:11 +0300 (Thu, 05 Jul 2012) $ #$Revision: 62030 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/50/77/1507776.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_1507776 loop_ _publ_author_name 'Drews, A R' 'Wong-Ng, W' 'Roth, R S' 'Vanderah, T A' _publ_section_title ; PREPARATION AND CRYSTAL STRUCTURE OF Sr5TiNb4O17 ; _journal_name_full ; Materials Research Bulletin ; _journal_page_first 153 _journal_page_last 163 _journal_volume 31 _journal_year 1996 _chemical_formula_sum 'Nb4 O17 Sr5 Ti' _space_group_IT_number 58 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall '-P 2 2n' _symmetry_space_group_name_H-M 'P n n m' _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 90.0 _cell_formula_units_Z 2 _cell_length_a 5.6614(4) _cell_length_b 32.515(7) _cell_length_c 3.9525(3) _cell_measurement_temperature 298 _cell_volume 727.58(17) _diffrn_ambient_temperature 298 _[local]_cod_data_source_file Sr5TiNb4O17.cif _[local]_cod_data_source_block Sr5TiNb4O17 _cod_database_code 1507776 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z -x+1/2,y+1/2,-z+1/2 x+1/2,-y+1/2,-z+1/2 -x,-y,-z x,y,-z x+1/2,-y+1/2,z+1/2 -x+1/2,y+1/2,z+1/2 loop_ _atom_site_label _atom_site_Wyckoff_symbol _atom_site_occupancy _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_B_iso_or_equiv Sr1 2b 1.00 0.0 0.0 0.5 0.68(4) Sr2 4g 1.00 0.4993(5) 0.0870(7) 0.5 0.79(3) Sr3 4g 1.00 0.0424(5) 0.21514(9) 0.5 1.42(4) Nb1 4g 0.82 0.0010(4) 0.09022(6) 0.0 0.21(2) Ti1 4g 0.18 0.0010(4) 0.09022(6) 0.0 0.21(2) Nb2 4g 0.90 0.5208(4) 0.17702(5) 0.0 0.21(2) Ti2 4g 0.10 0.5208(4) 0.17702(5) 0.0 0.21(2) Nb3 2d 0.56 0.5 0.0 0.0 0.22(4) Ti3 2d 0.44 0.5 0.0 0.0 0.22(4) O1 2c 1.00 0.5 0.0 0.5 1.4(4) O2 4g 1.00 -0.005(4) 0.0818(5) 0.5 1.1(3) O3 4g 1.00 0.234(3) -0.0383(5) 0.0 0.7(2) O4 4g 1.00 0.230(3) 0.1302(6) 0.0 1.0(3) O5 4g 1.00 0.300(3) 0.2189(6) 0.0 0.8(2) O6 4g 1.00 0.506(5) 0.1681(6) 0.5 1.6(3) O7 4g 1.00 0.723(3) 0.1213(6) 0.0 0.9(3) O8 4g 1.00 0.780(4) 0.2107(7) 0.0 1.8(4) O9 4g 1.00 0.2665(4) 0.0460(6) 0.0 1.2(3)