data_[Pr12Nd4Er4Tm4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [5.1435]
_cell_length_b [15.4819]
_cell_length_c [10.2416]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Pr3NdErTm]
_chemical_formula_sum '[Pr12 Nd4 Er4 Tm4]'
_cell_volume [815.5462]
_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  8  0.0000  0.3341  0.5008  1
  Pr  Pr1  4  0.0000  0.1670  0.7500  1
  Nd  Nd2  4  0.0000  0.0000  0.0000  1
  Er  Er3  4  0.0000  0.4981  0.7500  1
  Tm  Tm4  4  0.0000  0.1645  0.2500  1
]