data_[Yb2Eu2Cu4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Yb  1.1000  1.7500  1.0840
  Eu  1.2000  1.8500  1.1985
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [4.3384]
_cell_length_b [5.6921]
_cell_length_c [7.4281]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [YbEuCu2]
_chemical_formula_sum '[Yb2 Eu2 Cu4]'
_cell_volume [183.4357]
_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
[
  Yb  Yb0  2  0.5000  0.1171  0.3185  1
  Eu  Eu1  2  0.0000  0.3813  0.6799  1
  Cu  Cu2  2  0.0000  0.1304  0.0330  1
  Cu  Cu3  2  0.5000  0.3607  0.9687  1
]