data_[Fe2Co2Cu2]
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
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [2.4639]
_cell_length_b [4.1017]
_cell_length_c [6.9304]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.9782]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [FeCoCu]
_chemical_formula_sum '[Fe2 Co2 Cu2]'
_cell_volume [69.8710]
_cell_formula_units_Z [2]
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  2  0.1793  0.7500  0.5911  1
  Co  Co1  2  0.4582  0.7500  0.2657  1
  Cu  Cu2  2  0.2026  0.2500  0.0716  1
]