#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/2003131.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_2003131 _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 55 _journal_year 1999 _journal_page_first 348 _journal_page_last 354 _publ_section_title ; The Crystal Structure of B-site Ordered Complex Perovskite SrYb~0.5~Nb~0.5~O~3~ ; _space_group_IT_number 14 _symmetry_space_group_name_Hall '-P 2yn' _symmetry_space_group_name_H-M 'P 1 21/n 1' _[local]_cod_cif_authors_sg_H-M 'P 21/n' loop_ _publ_author_name 'Yang, Jae Ho' 'Choo, Woong Kil' 'Lee, Jin Ho' 'Lee, Chang Hee' _chemical_formula_sum 'Nb0.5 O3 Sr Yb0.5' _symmetry_cell_setting monoclinic loop_ _symmetry_equiv_pos_as_xyz +x,+y,+z -x+1/2,+y+1/2,-z+1/2 -x,-y,-z +x-1/2,-y-1/2,+z-1/2 _cell_length_a 5.79095(8) _cell_length_b 5.82210(7) _cell_length_c 8.20358(12) _cell_angle_alpha 90.0 _cell_angle_beta 90.1262(11) _cell_angle_gamma 90.0 _cell_formula_units_Z 2 _diffrn_ambient_temperature 295 _diffrn_radiation_type 'Cu K\a' _diffrn_radiation_wavelength 1.540562 _diffrn_measurement_device_type 'Rigaku Rotaflex' _refine_ls_goodness_of_fit_all 3.28 _refine_ls_number_parameters 28 loop_ _atom_type_symbol Sr Yb Nb O1 O2 O3 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_occupancy Sr(1) 0.006(2) 0.0271(3) 0.2511(7) 0.66(4) Uiso 1.0 Yb(2) 0.50000 0.00000 0.00000 0.32(4) Uiso 1.0 Nb(3) 0.00000 0.50000 0.00000 0.26(6) Uiso 1.0 O1(4) 0.19914 0.77266 0.03652 0.663 Uiso 1.0 O2(5) 0.27028 0.30088 -0.96467 0.663 Uiso 1.0 O3(6) 0.42994 0.01538 -0.26239 0.663 Uiso 1.0 _cod_database_code 2003131