data_global
_amcsd_formula_title 'Cr F K O3'
loop_
_publ_author_name
'Ketelaar J'
'Wegerif E'
_journal_name_full 'Recueil des Travaux Chimiques des Pays-Bas et de la Belgique'
_journal_volume 57 
_journal_year 1938
_journal_page_first 1269
_journal_page_last 1275
_publ_section_title
;
 Die Krystallstruktur des Kaliumfluorochromats
 _cod_database_code 1010001
;
_database_code_amcsd 0016937
_chemical_formula_sum 'Cr K (O3 F)'
_cell_length_a 5.46
_cell_length_b 5.46
_cell_length_c 12.89
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 384.272
_exptl_crystal_density_diffrn      2.733
_symmetry_space_group_name_H-M 'I 41/a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  '1/2+y,1/2-x,1/2-z'
  '+y,-x,-z'
  '-y,1/2+x,1/4+z'
  '1/2-y,+x,3/4+z'
  '1/2+x,y,3/4-z'
  '+x,1/2+y,1/4-z'
  '1/2-x,1/2-y,1/2+z'
  '-x,-y,+z'
  '-y,x,-z'
  '1/2-y,1/2+x,1/2-z'
  '1/2+y,-x,3/4+z'
  '+y,1/2-x,1/4+z'
  '-x,1/2-y,1/4-z'
  '1/2-x,-y,3/4-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Cr1   0.00000   0.00000   0.00000   1.00000
K1   0.00000   0.00000   0.50000   1.00000
O1   0.21000   0.09000   0.07500   0.75000
F1   0.21000   0.09000   0.07500   0.25000