data_[Nd4Co4Cu4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Co  1.8800  1.3500  0.7683
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [3.9588]
_cell_length_b [4.1271]
_cell_length_c [14.3730]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [NdCoCu]
_chemical_formula_sum '[Nd4 Co4 Cu4]'
_cell_volume [234.8355]
_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
[
  Nd  Nd0  4  0.0000  0.2500  0.6323  1.0
  Co  Co1  4  0.0000  0.2500  0.2154  1.0
  Cu  Cu2  4  0.0000  0.2500  0.0464  1.0
]