data_[Sm4Dy4Er4Tm12]
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
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.9567]
_cell_length_b [14.9254]
_cell_length_c [10.0167]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [SmDyErTm3]
_chemical_formula_sum '[Sm4 Dy4 Er4 Tm12]'
_cell_volume [741.0369]
_cell_formula_units_Z [4]
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  4  0.0000  0.4999  0.2500  1.0
  Dy  Dy1  4  0.0000  0.0000  0.0000  1.0
  Er  Er2  4  0.0000  0.1683  0.2500  1.0
  Tm  Tm3  8  0.0000  0.3320  0.5001  1.0
  Tm  Tm4  4  0.0000  0.1682  0.7500  1.0
]