data_[Sm22Er8Tm18]
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
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [16.7489]
_cell_length_b [25.4042]
_cell_length_c [3.6213]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Sm11Er4Tm9]
_chemical_formula_sum '[Sm22 Er8 Tm18]'
_cell_volume [1540.8115]
_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  8  0.2242  0.1813  0.0000  1
  Sm  Sm1  4  0.0000  0.1606  0.0000  1
  Sm  Sm2  4  0.0000  0.3684  0.0000  1
  Sm  Sm3  4  0.2078  0.5000  0.0000  1
  Sm  Sm4  2  0.0000  0.0000  0.0000  1
  Er  Er5  8  0.1570  0.3983  0.5000  1
  Tm  Tm6  8  0.1020  0.2677  0.5000  1
  Tm  Tm7  8  0.1412  0.0728  0.5000  1
  Tm  Tm8  2  0.0000  0.5000  0.5000  1
]