data_[Sm3Dy36Er18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Dy  1.2200  1.7500  1.1310
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [14.9755]
_cell_length_b [14.9755]
_cell_length_c [10.0043]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Sm(Dy2Er)6]
_chemical_formula_sum '[Sm3 Dy36 Er18]'
_cell_volume [1943.0371]
_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
[
  Sm  Sm0  3  0.0000  0.0000  0.0000  1
  Dy  Dy1  18  0.0000  0.3892  0.5000  1
  Dy  Dy2  18  0.0727  0.1455  0.2927  1
  Er  Er3  18  0.0528  0.5264  0.2124  1
]