#------------------------------------------------------------------------------ #$Date: 2011-09-10 05:16:28 +0200 (Sat, 10 Sep 2011) $ #$Revision: 25271 $ #$URL: svn://www.crystallography.net/cod/cif/2/2100266.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # 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_2100266 loop_ _publ_author_name 'Howard, Christopher J.' 'Barnes, Paris W.' 'Kennedy, Brendan J.' 'Woodward, Patrick M.' _publ_section_title ; Structures of the ordered double perovskites Sr~2~YTaO~6~ and Sr~2~YNbO~6~ ; _journal_issue 3 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 258 _journal_page_last 262 _journal_volume 61 _journal_year 2005 _chemical_formula_sum 'O6 Sr2 Ta Y' _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2yn' _symmetry_space_group_name_H-M 'P 1 21/n 1' _audit_creation_method 'transcribed from Rietica output' _cell_angle_alpha 90.0 _cell_angle_beta 90.1479(7) _cell_angle_gamma 90.0 _cell_formula_units_Z 2 _cell_length_a 5.81216(5) _cell_length_b 5.85937(6) _cell_length_c 8.24479(8) _cell_volume 280.780(5) _computing_structure_refinement Rietica _diffrn_ambient_temperature 293 _diffrn_measurement_device H1A _diffrn_measurement_method 'constant wavelength' _diffrn_radiation_source HFBR _diffrn_radiation_type neutron _diffrn_radiation_wavelength 1.886 _refine_ls_goodness_of_fit_all 1.03 _refine_ls_matrix_type full _refine_ls_number_parameters 33 _[local]_cod_data_source_file ws5023.cif _[local]_cod_data_source_block double_perovskite_Sr2YTaO6 _[local]_cod_cif_authors_sg_H-M P21/n _cod_original_cell_volume 280.780(4) _cod_database_code 2100266 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 +x,+y,+z 2 -x+1/2,+y+1/2,-z+1/2 -1 -x,-y,-z -2 +x+1/2,-y+1/2,+z+1/2 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 _atom_site_type_symbol Sr -0.0060(3) 0.4705(2) 0.2497(3) 0.0095(2) Uiso 1.0 Sr Ta 0.0 0.0 0.5 0.0005(5) Uiso 1.0 Ta Y 0.0 0.0 0.0 0.0047(5) Uiso 1.0 Y O1 0.0752(3) 0.0196(2) 0.2635(3) 0.0093(4) Uiso 1.0 O O2 0.2274(3) 0.3016(3) -0.0384(2) 0.0087(5) Uiso 1.0 O O3 0.3031(3) 0.7741(3) -0.041(2) 0.0074(5) Uiso 1.0 O loop_ _atom_type_symbol Sr Ta Y O