data_1001144
_chemical_name_systematic          'Iron germanium (3:1)'
_chemical_formula_structural       'Fe3 Ge'
_chemical_formula_sum              'Fe3 Ge'
_publ_section_title
;
Contribution a l'etude cristallographique de la phase Fe~3~ Ge de
structure D O~19~
;
loop_
_publ_author_name
  'Turbil, J P'
  'Billiet, Y'
  'Michel, A'
_journal_name_full
;
Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences,
Serie C, Sciences Chimiques (1966-)
;
_journal_coden_ASTM                CHDCAQ
_journal_volume                    269
_journal_year                      1969
_journal_page_first                309
_journal_page_last                 311
_cell_length_a                     5.169
_cell_length_b                     5.169
_cell_length_c                     4.222
_cell_angle_alpha                  90
_cell_angle_beta                   90
_cell_angle_gamma                  120
_cell_volume                       97.7
_cell_formula_units_Z              2
_symmetry_space_group_name_H-M     'P 63/m m c'
_symmetry_Int_Tables_number        194
_symmetry_cell_setting             hexagonal
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-y,x-y,z'
  'y-x,-x,z'
  '-y,-x,z'
  'y-x,y,z'
  'x,x-y,z'
  '-x,-y,-z'
  'y,y-x,-z'
  'x-y,x,-z'
  'y,x,-z'
  'x-y,-y,-z'
  '-x,y-x,-z'
  '-x,-y,1/2+z'
  'y,y-x,1/2+z'
  'x-y,x,1/2+z'
  'y,x,1/2+z'
  'x-y,-y,1/2+z'
  '-x,y-x,1/2+z'
  'x,y,1/2-z'
  '-y,x-y,1/2-z'
  'y-x,-x,1/2-z'
  '-y,-x,1/2-z'
  'y-x,y,1/2-z'
  'x,x-y,1/2-z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Fe0    0.000
  Ge0    0.000
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
  Fe1   Fe0    6 h 0.839 0.678 0.25 1.  0 d
  Ge1   Ge0    2 c 0.3333 0.6667 0.25 1.  0 d
_refine_ls_R_factor_all            0.043