data_global
_amcsd_formula_title 'Na4OI2'
loop_
_publ_author_name
'Sabrowsky H'
'Hippler K'
'Sitta S'
'Vogt P'
'Walz L'
_journal_name_full 'Acta Crystallographica, Section C'
_journal_volume 46 
_journal_year 1990
_journal_page_first 368
_journal_page_last 369
_publ_section_title
;
 Structure of Na4OI2
;
_database_code_amcsd 0010109
_chemical_formula_sum 'Na4 O I2'
_cell_length_a 4.655
_cell_length_b 4.655
_cell_length_c 15.940
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 345.404
_exptl_crystal_density_diffrn      3.478
_symmetry_space_group_name_H-M 'I 4/m m m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+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'
  '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,z'
  '1/2+x,1/2-y,1/2+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'
  '-x,-y,z'
  '1/2-x,1/2-y,1/2+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'
  '-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,z'
  '1/2-x,1/2+y,1/2+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'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Na1   0.00000   0.50000   0.00000   0.02500
Na2   0.00000   0.00000   0.14290   0.02720
O1   0.00000   0.00000   0.00000   0.01870
I1   0.00000   0.00000   0.34670   0.02030