#------------------------------------------------------------------------------ #$Date: 2010-06-10 18:11:07 +0300 (Thu, 10 Jun 2010) $ #$Revision: 1210 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9006869.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # 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_9006869 loop_ _publ_author_name 'Mitchell, R. H.' 'Chakhmouradian, A. R.' 'Woodward, P. M.' _publ_section_title ; Crystal chemistry of perovskite-type compounds in the tausonite-loparite series, (Sr1-2xNaxLax)TiO3 Sample: x = 0.25 ; _journal_name_full 'Physics and Chemistry of Minerals' _journal_page_first 583 _journal_page_last 589 _journal_volume 27 _journal_year 2000 _chemical_formula_sum 'La0.25 Na0.25 O3 Sr0.5 Ti' _chemical_name_mineral Tausonite _space_group_IT_number 140 _symmetry_space_group_name_Hall '-I 4 2c' _symmetry_space_group_name_H-M 'I 4/m c m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 5.5016 _cell_length_b 5.5016 _cell_length_c 7.7976 _cell_volume 236.015 _exptl_crystal_density_diffrn 5.070 _[local]_cod_chemical_formula_sum_orig '(Sr.5 Na.25 La.25) Ti O3' _cod_database_code 9006869 _amcsd_database_code AMCSD#0008390 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2+y,1/2+z -y,-x,1/2+z 1/2-y,1/2-x,+z y,x,1/2-z 1/2+y,1/2+x,-z y,-x,-z 1/2+y,1/2-x,1/2-z -y,x,z 1/2-y,1/2+x,1/2+z x,-y,1/2+z 1/2+x,1/2-y,+z -x,y,1/2-z 1/2-x,1/2+y,-z x,y,-z 1/2+x,1/2+y,1/2-z -x,-y,z 1/2-x,1/2-y,1/2+z y,x,1/2+z 1/2+y,1/2+x,+z -y,-x,1/2-z 1/2-y,1/2-x,-z -y,x,-z 1/2-y,1/2+x,1/2-z y,-x,z 1/2+y,1/2-x,1/2+z -x,y,1/2+z 1/2-x,1/2+y,+z x,-y,1/2-z 1/2+x,1/2-y,-z -x,-y,-z 1/2-x,1/2-y,1/2-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv SrA 0.00000 0.50000 0.25000 0.50000 0.01178 NaA 0.00000 0.50000 0.25000 0.25000 0.01178 LaA 0.00000 0.50000 0.25000 0.25000 0.01178 Ti 0.00000 0.00000 0.00000 1.00000 0.01064 O1 0.00000 0.00000 0.25000 1.00000 0.02786 O2 0.23300 0.73300 0.00000 1.00000 0.00760