data_[Eu1Er1Cd2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Er  1.2400  1.7500  1.0300
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [Pmmm]
_cell_length_a [4.2111]
_cell_length_b [4.8014]
_cell_length_c [5.0485]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [47]
_chemical_formula_structural [EuErCd2]
_chemical_formula_sum '[Eu1 Er1 Cd2]'
_cell_volume [102.0768]
_cell_formula_units_Z [1]
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
[
  Eu  Eu0  1  0.0000  0.0000  0.5000  1
  Er  Er1  1  0.5000  0.0000  0.0000  1
  Cd  Cd2  1  0.0000  0.5000  0.0000  1
  Cd  Cd3  1  0.5000  0.5000  0.5000  1
]