data_[Yb3Eu3]
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
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [3.8874]
_cell_length_b [3.8874]
_cell_length_c [19.2205]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [YbEu]
_chemical_formula_sum '[Yb3 Eu3]'
_cell_volume [251.5466]
_cell_formula_units_Z [3]
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  3  -0.0000  -0.0000  0.5000  1.0
  Eu  Eu1  3  0.0000  0.0000  0.0000  1.0
]