data_[Sm4Er2Cd6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Er  1.2400  1.7500  1.0300
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [5.3424]
_cell_length_b [5.3424]
_cell_length_c [13.1358]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Sm2ErCd3]
_chemical_formula_sum '[Sm4 Er2 Cd6]'
_cell_volume [324.6895]
_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
[
  Sm  Sm0  2  0.3333  0.6667  0.1697  1
  Sm  Sm1  1  0.0000  0.0000  0.0000  1
  Sm  Sm2  1  0.0000  0.0000  0.5000  1
  Er  Er3  2  0.3333  0.6667  0.6670  1
  Cd  Cd4  2  0.0000  0.0000  0.2532  1
  Cd  Cd5  2  0.3333  0.6667  0.4183  1
  Cd  Cd6  2  0.3333  0.6667  0.9145  1
]