data_[Fe28Co4Ni12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Fe  1.8300  1.4000  0.8525
  Co  1.8800  1.3500  0.7683
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [2.5222]
_cell_length_b [19.2649]
_cell_length_c [10.9928]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Fe7CoNi3]
_chemical_formula_sum '[Fe28 Co4 Ni12]'
_cell_volume [534.1407]
_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
[
  Fe  Fe0  8  0.0000  0.2760  0.0912  1
  Fe  Fe1  8  0.0000  0.4091  0.0955  1
  Fe  Fe2  8  0.0000  0.4579  0.6137  1
  Fe  Fe3  4  0.0000  0.3037  0.7500  1
  Co  Co4  4  0.0000  0.0304  0.7500  1
  Ni  Ni5  8  0.0000  0.1504  0.0686  1
  Ni  Ni6  4  0.0000  0.1622  0.7500  1
]