data_[Pr12Er4Tm4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.1439]
_cell_length_b [5.7956]
_cell_length_c [6.1037]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.1493]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pr3ErTm]
_chemical_formula_sum '[Pr12 Er4 Tm4]'
_cell_volume [677.2089]
_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
[
  Pr  Pr0  4  0.0566  0.5000  0.2879  1.0
  Pr  Pr1  4  0.0572  0.0000  0.7101  1.0
  Pr  Pr2  4  0.2497  0.5000  0.3181  1.0
  Er  Er3  4  0.1549  0.0000  0.1829  1.0
  Tm  Tm4  4  0.1553  0.5000  0.8155  1.0
]