data_global
_chemical_name_mineral 'Tausonite'
loop_
_publ_author_name
'Mitchell R H'
'Chakhmouradian A R'
'Woodward P M'
_journal_name_full 'Physics and Chemistry of Minerals'
_journal_volume 27 
_journal_year 2000
_journal_page_first 583
_journal_page_last 589
_publ_section_title
;
 Crystal chemistry of perovskite-type compounds in the
 tausonite-loparite series, (Sr1-2xNaxLax)TiO3
 Sample: x = 0.15
;
_database_code_amcsd 0008449
_chemical_formula_sum '(Sr.7 Na.15 La.15) Ti O3'
_cell_length_a 5.5116
_cell_length_b 5.5116
_cell_length_c 7.8036
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 237.056
_exptl_crystal_density_diffrn      5.085
_symmetry_space_group_name_H-M 'I 4/m c m'
loop_
_space_group_symop_operation_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
SrA   0.00000   0.50000   0.25000   0.70000
NaA   0.00000   0.50000   0.25000   0.15000
LaA   0.00000   0.50000   0.25000   0.15000
Ti   0.00000   0.00000   0.00000   1.00000
O1   0.00000   0.00000   0.25000   1.00000
O2   0.23900   0.73900   0.00000   1.00000