#------------------------------------------------------------------------------ #$Date: 2013-12-28 13:58:47 +0000 (Sat, 28 Dec 2013) $ #$Revision: 91933 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/16/2101655.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_2101655 loop_ _publ_author_name 'Corker, D. L.' 'Glazer, A. M.' 'Dec, J.' 'Roleder, K.' 'Whatmore, R. W.' _publ_section_title ; A Re-investigation of the Crystal Structure of the Perovskite PbZrO~3~ by X-ray and Neutron Diffraction ; _journal_issue 1 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 135 _journal_page_last 142 _journal_volume 53 _journal_year 1997 _chemical_formula_sum 'O3 Pb Zr' _chemical_formula_weight 346.41 _space_group_IT_number 55 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall '-P 2 2ab' _symmetry_space_group_name_H-M 'P b a m' _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 90.0 _cell_formula_units_Z 8 _cell_length_a 5.8878(2) _cell_length_b 11.7890(4) _cell_length_c 8.2527(2) _cell_measurement_temperature 398 _cell_measurement_theta_max 79.48 _cell_measurement_theta_min 0 _cell_volume 572.83(3) _computing_molecular_graphics 'Crystallographica (Oxford Cryosystems, 1996)' _computing_structure_refinement 'FULLPROF (Rodriguez-Carvajal, 1995)' _diffrn_measurement_device '25 ^3^He detectors' _diffrn_radiation_monochromator germanium _diffrn_radiation_type neutron _diffrn_radiation_wavelength 1.90788 _exptl_absorpt_coefficient_mu 0.001 _exptl_crystal_density_diffrn 8.03 _refine_ls_number_parameters 51 _refine_ls_shift/esd_max 0.1 _refine_ls_weighting_scheme 1/\s^2^(I) _[local]_cod_data_source_file bm0006.cif _[local]_cod_data_source_block bm0006b _[local]_cod_chemical_formula_sum_orig 'Pb1 Zr1 O3' _cod_original_cell_volume 572.83 _cod_database_code 2101655 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z 1/2+x,1/2-y,-z 1/2-x,1/2+y,-z -x,-y,-z x,y,-z 1/2-x,1/2+y,z 1/2+x,1/2-y,z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Pb(1) .7170(10) .1311(5) .0 .022(3) Pb(2) .7070(10) .1269(5) .5 .024(3) Zr(1) .2438(4) .1236(5) .2510(10) .007(2) O(1) .292(2) .0988(9) .0 .017(2) O(2) .271(2) .1516(9) .5 .015(2) O(3) .0250(10) .2597(3) .2269(7) .013(2) O(4) .0 .5 .2925(8) .020(2) O(5) .0 .0 .2730(10) .021(2) _journal_paper_doi 10.1107/S0108768196012414