data_[Y2Co18Cu4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Co  1.8800  1.3500  0.7683
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [7.9791]
_cell_length_b [7.9791]
_cell_length_c [4.7640]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [YCo9Cu2]
_chemical_formula_sum '[Y2 Co18 Cu4]'
_cell_volume [303.3066]
_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
[
  Y  Y0  2  0.0000  0.0000  0.0000  1
  Co  Co1  8  0.0686  0.7882  0.5000  1
  Co  Co2  8  0.1789  0.3211  0.2350  1
  Co  Co3  2  0.0000  0.5000  0.5000  1
  Cu  Cu4  4  0.1149  0.6149  0.0000  1
]