[CIF]
data_FeCu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.54000000
_cell_length_b   2.77000000
_cell_length_c   5.54000000
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   FeCu
_chemical_formula_sum   'Fe4 Cu4'
_cell_volume   85.01573200
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Cu  Cu0  1  4.15500000  1.38500000  4.15500000  1
  Cu  Cu1  1  0.00000000  0.00000000  2.77000000  1
  Cu  Cu2  1  1.38500000  1.38500000  1.38500000  1
  Cu  Cu3  1  2.77000000  0.00000000  2.77000000  1
  Fe  Fe4  1  2.77000000  0.00000000  0.00000000  1
  Fe  Fe5  1  1.38500000  1.38500000  4.15500000  1
  Fe  Fe6  1  4.15500000  1.38500000  1.38500000  1
  Fe  Fe7  1  0.00000000  0.00000000  0.00000000  1
[/CIF]
