data_global
_chemical_name_mineral 'Cementite'
loop_
_publ_author_name
'Fruchart D'
'Chaudouet P'
'Fruchart R'
'Rouault A'
'Senateur J P'
_journal_name_full 'Journal of Solid State Chemistry'
_journal_volume 51 
_journal_year 1984
_journal_page_first 246
_journal_page_last 252
_publ_section_title
;
 Etudes structurales de composes de type cementite: effet de l'hydrogene sur
 Fe3C suivi par diffraction neutronique. Spectrometrie Mossbauer sur FeCo2B et
 Co3B dopes au 57Fe
;
_database_code_amcsd 0013523
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Fe3 C'
_cell_length_a 5.092
_cell_length_b 6.741
_cell_length_c 4.527
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 155.390
_exptl_crystal_density_diffrn      7.675
_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
_atom_site_U_iso_or_equiv
Fe1   0.18340   0.06890   0.33440   0.00545
Fe2   0.03880   0.25000   0.84220   0.01267
C   0.87640   0.25000   0.44260   0.01140