#------------------------------------------------------------------------------ #$Date: 2016-02-20 01:53:41 +0100 (Sat, 20 Feb 2016) $ #$Revision: 176768 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/05/2100512.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_2100512 loop_ _publ_author_name 'Barnes, Paris W.' 'Lufaso, Michael W.' 'Woodward, Patrick M.' _publ_section_title ; Structure determination of A~2~M^3+^TaO~6~ and A~2~M^3+^NbO~6~ ordered perovskites: octahedral tilting and pseudosymmetry ; _journal_coeditor_code WS5031 _journal_date_accepted 2006-01-19 _journal_date_recd_electronic 2005-06-10 _journal_issue 3 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 384 _journal_page_last 396 _journal_paper_category FA _journal_paper_doi 10.1107/S0108768106002448 _journal_volume 62 _journal_year 2006 _chemical_formula_sum 'Ba2 Nb O6 Y' _chemical_formula_weight 552.47 _space_group_IT_number 225 _symmetry_cell_setting tetragonal _symmetry_space_group_name_Hall '-F 4 2 3' _symmetry_space_group_name_H-M 'F m -3 m' _audit_creation_method 'from EXP file using GSAS2CIF' _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 90.0 _cell_formula_units_Z 4 _cell_length_a 8.44114(11) _cell_length_b 8.44114(11) _cell_length_c 8.44114(11) _cell_measurement_temperature 298 _cell_volume 601.455(14) _computing_structure_refinement GSAS _diffrn_ambient_temperature 298 _diffrn_measurement_device BT-1 _diffrn_measurement_method reactor _diffrn_radiation_probe neutron _diffrn_radiation_source NIST _diffrn_radiation_type neutron _diffrn_radiation_wavelength 1.5403 _exptl_crystal_density_diffrn 6.101 _refine_ls_goodness_of_fit_all 1.01 _refine_ls_matrix_type full _refine_ls_number_parameters 29 _refine_ls_number_restraints 0 _refine_ls_shift/su_max 0.04 _refine_ls_shift/su_mean 0.01 _cod_data_source_file ws5031.cif _cod_data_source_block Ba2YNbO6 _cod_original_cell_volume 601.455(2) _cod_original_sg_symbol_H-M Fm-3m _cod_database_code 2100512 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 +x,+y,+z 2 +z,+x,+y 3 +y,+z,+x 4 +x,+y,-z 5 -z,+x,+y 6 +y,-z,+x 7 -z,+x,-y 8 -y,-z,+x 9 +y,-z,-x 10 -x,+y,-z 11 -z,-x,+y 12 +x,-y,-z 13 +y,+x,+z 14 +z,+y,+x 15 +x,+z,+y 16 +y,+x,-z 17 -z,+y,+x 18 +x,-z,+y 19 -z,+y,-x 20 -x,-z,+y 21 +x,-z,-y 22 -y,+x,-z 23 -z,-y,+x 24 +y,-x,-z -1 -x,-y,-z -2 -z,-x,-y -3 -y,-z,-x -4 -x,-y,+z -5 +z,-x,-y -6 -y,+z,-x -7 +z,-x,+y -8 +y,+z,-x -9 -y,+z,+x -10 +x,-y,+z -11 +z,+x,-y -12 -x,+y,+z -13 -y,-x,-z -14 -z,-y,-x -15 -x,-z,-y -16 -y,-x,+z -17 +z,-y,-x -18 -x,+z,-y -19 +z,-y,+x -20 +x,+z,-y -21 -x,+z,+y -22 +y,-x,+z -23 +z,+y,-x -24 -y,+x,+z 101 +x,+y+1/2,+z+1/2 102 +z,+x+1/2,+y+1/2 103 +y,+z+1/2,+x+1/2 104 +x,+y+1/2,-z+1/2 105 -z,+x+1/2,+y+1/2 106 +y,-z+1/2,+x+1/2 107 -z,+x+1/2,-y+1/2 108 -y,-z+1/2,+x+1/2 109 +y,-z+1/2,-x+1/2 110 -x,+y+1/2,-z+1/2 111 -z,-x+1/2,+y+1/2 112 +x,-y+1/2,-z+1/2 113 +y,+x+1/2,+z+1/2 114 +z,+y+1/2,+x+1/2 115 +x,+z+1/2,+y+1/2 116 +y,+x+1/2,-z+1/2 117 -z,+y+1/2,+x+1/2 118 +x,-z+1/2,+y+1/2 119 -z,+y+1/2,-x+1/2 120 -x,-z+1/2,+y+1/2 121 +x,-z+1/2,-y+1/2 122 -y,+x+1/2,-z+1/2 123 -z,-y+1/2,+x+1/2 124 +y,-x+1/2,-z+1/2 -101 -x,-y+1/2,-z+1/2 -102 -z,-x+1/2,-y+1/2 -103 -y,-z+1/2,-x+1/2 -104 -x,-y+1/2,+z+1/2 -105 +z,-x+1/2,-y+1/2 -106 -y,+z+1/2,-x+1/2 -107 +z,-x+1/2,+y+1/2 -108 +y,+z+1/2,-x+1/2 -109 -y,+z+1/2,+x+1/2 -110 +x,-y+1/2,+z+1/2 -111 +z,+x+1/2,-y+1/2 -112 -x,+y+1/2,+z+1/2 -113 -y,-x+1/2,-z+1/2 -114 -z,-y+1/2,-x+1/2 -115 -x,-z+1/2,-y+1/2 -116 -y,-x+1/2,+z+1/2 -117 +z,-y+1/2,-x+1/2 -118 -x,+z+1/2,-y+1/2 -119 +z,-y+1/2,+x+1/2 -120 +x,+z+1/2,-y+1/2 -121 -x,+z+1/2,+y+1/2 -122 +y,-x+1/2,+z+1/2 -123 +z,+y+1/2,-x+1/2 -124 -y,+x+1/2,+z+1/2 201 +x+1/2,+y,+z+1/2 202 +z+1/2,+x,+y+1/2 203 +y+1/2,+z,+x+1/2 204 +x+1/2,+y,-z+1/2 205 -z+1/2,+x,+y+1/2 206 +y+1/2,-z,+x+1/2 207 -z+1/2,+x,-y+1/2 208 -y+1/2,-z,+x+1/2 209 +y+1/2,-z,-x+1/2 210 -x+1/2,+y,-z+1/2 211 -z+1/2,-x,+y+1/2 212 +x+1/2,-y,-z+1/2 213 +y+1/2,+x,+z+1/2 214 +z+1/2,+y,+x+1/2 215 +x+1/2,+z,+y+1/2 216 +y+1/2,+x,-z+1/2 217 -z+1/2,+y,+x+1/2 218 +x+1/2,-z,+y+1/2 219 -z+1/2,+y,-x+1/2 220 -x+1/2,-z,+y+1/2 221 +x+1/2,-z,-y+1/2 222 -y+1/2,+x,-z+1/2 223 -z+1/2,-y,+x+1/2 224 +y+1/2,-x,-z+1/2 -201 -x+1/2,-y,-z+1/2 -202 -z+1/2,-x,-y+1/2 -203 -y+1/2,-z,-x+1/2 -204 -x+1/2,-y,+z+1/2 -205 +z+1/2,-x,-y+1/2 -206 -y+1/2,+z,-x+1/2 -207 +z+1/2,-x,+y+1/2 -208 +y+1/2,+z,-x+1/2 -209 -y+1/2,+z,+x+1/2 -210 +x+1/2,-y,+z+1/2 -211 +z+1/2,+x,-y+1/2 -212 -x+1/2,+y,+z+1/2 -213 -y+1/2,-x,-z+1/2 -214 -z+1/2,-y,-x+1/2 -215 -x+1/2,-z,-y+1/2 -216 -y+1/2,-x,+z+1/2 -217 +z+1/2,-y,-x+1/2 -218 -x+1/2,+z,-y+1/2 -219 +z+1/2,-y,+x+1/2 -220 +x+1/2,+z,-y+1/2 -221 -x+1/2,+z,+y+1/2 -222 +y+1/2,-x,+z+1/2 -223 +z+1/2,+y,-x+1/2 -224 -y+1/2,+x,+z+1/2 301 +x+1/2,+y+1/2,+z 302 +z+1/2,+x+1/2,+y 303 +y+1/2,+z+1/2,+x 304 +x+1/2,+y+1/2,-z 305 -z+1/2,+x+1/2,+y 306 +y+1/2,-z+1/2,+x 307 -z+1/2,+x+1/2,-y 308 -y+1/2,-z+1/2,+x 309 +y+1/2,-z+1/2,-x 310 -x+1/2,+y+1/2,-z 311 -z+1/2,-x+1/2,+y 312 +x+1/2,-y+1/2,-z 313 +y+1/2,+x+1/2,+z 314 +z+1/2,+y+1/2,+x 315 +x+1/2,+z+1/2,+y 316 +y+1/2,+x+1/2,-z 317 -z+1/2,+y+1/2,+x 318 +x+1/2,-z+1/2,+y 319 -z+1/2,+y+1/2,-x 320 -x+1/2,-z+1/2,+y 321 +x+1/2,-z+1/2,-y 322 -y+1/2,+x+1/2,-z 323 -z+1/2,-y+1/2,+x 324 +y+1/2,-x+1/2,-z -301 -x+1/2,-y+1/2,-z -302 -z+1/2,-x+1/2,-y -303 -y+1/2,-z+1/2,-x -304 -x+1/2,-y+1/2,+z -305 +z+1/2,-x+1/2,-y -306 -y+1/2,+z+1/2,-x -307 +z+1/2,-x+1/2,+y -308 +y+1/2,+z+1/2,-x -309 -y+1/2,+z+1/2,+x -310 +x+1/2,-y+1/2,+z -311 +z+1/2,+x+1/2,-y -312 -x+1/2,+y+1/2,+z -313 -y+1/2,-x+1/2,-z -314 -z+1/2,-y+1/2,-x -315 -x+1/2,-z+1/2,-y -316 -y+1/2,-x+1/2,+z -317 +z+1/2,-y+1/2,-x -318 -x+1/2,+z+1/2,-y -319 +z+1/2,-y+1/2,+x -320 +x+1/2,+z+1/2,-y -321 -x+1/2,+z+1/2,+y -322 +y+1/2,-x+1/2,+z -323 +z+1/2,+y+1/2,-x -324 -y+1/2,+x+1/2,+z loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 O1 0.0077(4) 0.0222(3) 0.0222(3) 0.0 0.0 0.0 loop_ _atom_site_type_symbol _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 BA Ba 0.25 0.25 0.25 0.0091(2) Uiso 1.0 Y Y1 0.0 0.0 0.0 0.00613(17) Uiso 0.95(5) NB Nb1 0.0 0.0 0.0 0.00613(17) Uiso 0.05(5) Y Y2 0.5 0.0 0.0 0.00613(17) Uiso 0.05(5) NB Nb2 0.5 0.0 0.0 0.00613(17) Uiso 0.95(5) O O1 0.26285(8) 0.0 0.0 0.01737 Uani 1.0 loop_ _atom_type_symbol Ba Y Nb O