data_global
_chemical_name_mineral 'Thenardite'
loop_
_publ_author_name
'Zachariasen W'
'Ziegler G'
_journal_name_full 'Zeitschrift fur Kristallographie'
_journal_volume 81 
_journal_year 1932
_journal_page_first 92
_journal_page_last 101
_publ_section_title
;
 The crystal structure of anhydrous sodium sulfate Na2 S O4
 _cod_database_code 1011184
;
_database_code_amcsd 0018059
_chemical_formula_sum 'S Na2 O4'
_cell_length_a 5.85
_cell_length_b 12.29
_cell_length_c 9.75
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 700.991
_exptl_crystal_density_diffrn      2.692
_symmetry_space_group_name_H-M 'F d d d'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2+y,1/2+z'
  '1/2+x,y,1/2+z'
  '1/2+x,1/2+y,z'
  '3/4+x,-y,3/4+z'
  '3/4+x,1/2-y,1/4+z'
  '1/4+x,-y,1/4+z'
  '1/4+x,1/2-y,3/4+z'
  '3/4-x,y,3/4-z'
  '3/4-x,1/2+y,1/4-z'
  '1/4-x,y,1/4-z'
  '1/4-x,1/2+y,3/4-z'
  '-x,3/4+y,3/4+z'
  '-x,1/4+y,1/4+z'
  '1/2-x,3/4+y,1/4+z'
  '1/2-x,1/4+y,3/4+z'
  'x,3/4-y,3/4-z'
  'x,1/4-y,1/4-z'
  '1/2+x,3/4-y,1/4-z'
  '1/2+x,1/4-y,3/4-z'
  '3/4+x,3/4+y,-z'
  '3/4+x,1/4+y,1/2-z'
  '1/4+x,3/4+y,1/2-z'
  '1/4+x,1/4+y,-z'
  '3/4-x,3/4-y,z'
  '3/4-x,1/4-y,1/2+z'
  '1/4-x,3/4-y,1/2+z'
  '1/4-x,1/4-y,z'
  '-x,-y,-z'
  '-x,1/2-y,1/2-z'
  '1/2-x,-y,1/2-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
S1   0.12500   0.12500   0.12500
Na1   0.12500   0.12500   0.43600
O1  -0.02200   0.05600   0.21400