data_global
_amcsd_formula_title 'Fe7C3'
loop_
_publ_author_name
'Bouchard J'
_journal_name_full 'Annales de Chimie'
_journal_volume 1967 
_journal_year 1967
_journal_page_first 353
_journal_page_last 366
_publ_section_title
;
 Etude structurale des carbures de manganese
 _cod_database_code 1008937
;
_database_code_amcsd 0016801
_chemical_formula_sum 'Fe7 C3'
_cell_length_a 4.537
_cell_length_b 6.892
_cell_length_c 11.913
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 372.508
_exptl_crystal_density_diffrn      7.613
_symmetry_space_group_name_H-M 'P n m a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2-z'
  '1/2+x,y,1/2-z'
  '1/2-x,-y,1/2+z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Fe1   0.25000   0.07000   0.02000
Fe2   0.00000   0.07000   0.81000
Fe3   0.24000   0.25000   0.20000
Fe4   0.25000   0.25000   0.42000
Fe5   0.00000   0.25000   0.63000
C1   0.11000   0.03000   0.35000
C2   0.38000   0.25000   0.57000