#------------------------------------------------------------------------------ #$Date: 2015-07-10 12:18:31 +0300 (Fri, 10 Jul 2015) $ #$Revision: 141600 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/52/13/1521391.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_1521391 loop_ _publ_author_name 'Kennedy, B.J.' 'Howard, C.J.' 'Chakoumakos, B.C.' _publ_section_title ; High-temperature phase transitions in Sr Hf O3 ; _journal_name_full 'Physical Review, Serie 3. B - Condensed Matter (18,1978-)' _journal_page_first 2972 _journal_page_last 2975 _journal_volume 60 _journal_year 1999 _chemical_formula_sum 'Hf O3 Sr' _chemical_name_systematic 'Sr (Hf O3)' _space_group_IT_number 63 _symmetry_space_group_name_Hall '-C 2c 2' _symmetry_space_group_name_H-M 'C m c m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 8 _cell_length_a 8.1741 _cell_length_b 8.1974 _cell_length_c 8.1797 _cell_volume 548.092 _citation_journal_id_ASTM PRBMDO _cod_data_source_file Kennedy_PRBMDO_1999_708.cif _cod_data_source_block Hf1O3Sr1 _cod_chemical_formula_sum_orig 'Hf1 O3 Sr1' _cod_database_code 1521391 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z+1/2 x,-y,-z -x,y,-z+1/2 -x,-y,-z x,y,-z-1/2 -x,y,z x,-y,z-1/2 x+1/2,y+1/2,z -x+1/2,-y+1/2,z+1/2 x+1/2,-y+1/2,-z -x+1/2,y+1/2,-z+1/2 -x+1/2,-y+1/2,-z x+1/2,y+1/2,-z-1/2 -x+1/2,y+1/2,z x+1/2,-y+1/2,z-1/2 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv O3 O-2 0.281 0.266 0.25 1 0.0 Hf1 Hf+4 0.25 0.25 0 1 0.0 Sr1 Sr+2 0 -0.062 0.25 1 0.0 Sr2 Sr+2 0 0.501 0.25 1 0.0 O2 O-2 0 0.241 0.041 1 0.0 O1 O-2 0.274 0 0 1 0.0