#------------------------------------------------------------------------------ #$Date: 2011-09-28 15:24:46 +0100 (Wed, 28 Sep 2011) $ #$Revision: 26848 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/20/2102003.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_2102003 loop_ _publ_author_name 'Christophe MULLER' 'Jean-Louis BAUDOUR' 'C\'edric BEDOYA' 'Fran\,coise BOUREE' 'Jean-Louis SOUBEYROUX' 'Marc ROUBIN' _publ_section_title ;Octahedron deformations and cation displacements in the ferroelectric PbHf~0.8~Ti~0.2~O~3~: a neutron powder diffraction study from 10 K to 770 K ; _journal_issue 1 _journal_name_full 'Acta Crystallographica, Section B' _journal_page_first 27 _journal_page_last 38 _journal_volume 56 _journal_year 2000 _chemical_formula_analytical PbHf~0.8~Ti~0.2~O~3~ _chemical_formula_structural PbHf~0.8~Ti~0.2~O~3~ _chemical_formula_sum 'Hf0.8 O3 Pb Ti0.2' _chemical_formula_weight 407.52 _chemical_name_systematic 'lead hafnate titanate' _symmetry_cell_setting cubic _symmetry_space_group_name_Hall '-P 4 2 3' _symmetry_space_group_name_H-M 'P m -3 m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 1 _cell_length_a 4.10720(10) _cell_length_b 4.10720(10) _cell_length_c 4.10720(10) _cell_measurement_temperature 520 _cell_volume 69.280(10) _computing_cell_refinement Fullprof _computing_molecular_graphics 'CaRIne, version 3.0' _computing_structure_refinement Fullprof _diffrn_measurement_device_type 'Diffractometer in Debye-Scherrer geometry' _diffrn_radiation_type neutron _diffrn_radiation_wavelength 1.2251 _refine_ls_goodness_of_fit_all 2.37 _refine_ls_number_parameters 33 _refine_ls_number_reflns 39 _refine_ls_weighting_details 'w = 1/(\s^2^), \s^2^ = y' _refine_ls_weighting_scheme sigma _[local]_cod_data_source_file sh0134.cif _[local]_cod_chemical_formula_sum_orig 'Hf0.8 O3 Pb1 Ti0.2' _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Cubic' changed to 'cubic' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius ; _cod_database_code 2102003 loop_ _symmetry_equiv_pos_as_xyz +x,+y,+z +z,+x,+y +y,+z,+x +x,+z,+y +y,+x,+z +z,+y,+x +x,-y,-z +z,-x,-y +y,-z,-x +x,-z,-y +y,-x,-z +z,-y,-x -x,+y,-z -z,+x,-y -y,+z,-x -x,+z,-y -y,+x,-z -z,+y,-x -x,-y,+z -z,-x,+y -y,-z,+x -x,-z,+y -y,-x,+z -z,-y,+x -x,-y,-z -z,-x,-y -y,-z,-x -x,-z,-y -y,-x,-z -z,-y,-x -x,+y,+z -z,+x,+y -y,+z,+x -x,+z,+y -y,+x,+z -z,+y,+x +x,-y,+z +z,-x,+y +y,-z,+x +x,-z,+y +y,-x,+z +z,-y,+x +x,+y,-z +z,+x,-y +y,+z,-x +x,+z,-y +y,+x,-z +z,+y,-x loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_occupancy Pb 0 0 0 .0553(5) Uiso 1 Hf .5 .5 .5 .0037(4) Uiso .8 Ti .5 .5 .5 .0037(4) Uiso .2 O .5 .5 0 .0346(4) Uequiv 1 loop_ _atom_type_symbol Pb Hf Ti O loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance Hf O 2.05 Ti O 2.05 O O 2.90 Pb O 2.90