data_global
_chemical_name_mineral 'Cohenite'
loop_
_publ_author_name
'Westgren A'
_journal_name_full 'Jernkontorets Annaler'
_journal_volume 1932 
_journal_year 1932
_journal_page_first 457
_journal_page_last 468
_publ_section_title
;
 Cementitens kristallstruktur
 _cod_database_code 1010961
;
_database_code_amcsd 0017888
_chemical_formula_sum 'Fe3 C'
_cell_length_a 4.517
_cell_length_b 5.07
_cell_length_c 6.73
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 154.125
_exptl_crystal_density_diffrn      7.738
_symmetry_space_group_name_H-M 'P b n m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,y,1/2-z'
  '-x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  '1/2-x,1/2+y,z'
  '1/2+x,1/2-y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Fe1   0.33300   0.17500   0.06500
Fe2  -0.16700   0.04000   0.25000
C1   0.43000  -0.13000   0.25000