data_[Pr3Nd3Er3Tm3]
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 [R3m]
_cell_length_a [3.6162]
_cell_length_b [3.6162]
_cell_length_c [34.9269]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [PrNdErTm]
_chemical_formula_sum '[Pr3 Nd3 Er3 Tm3]'
_cell_volume [395.5447]
_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
[
  Pr  Pr0  3  0.0000  0.0000  0.7534  1
  Nd  Nd1  3  0.0000  0.0000  0.5870  1
  Er  Er2  3  0.0000  0.0000  0.3368  1
  Tm  Tm3  3  0.0000  0.0000  0.1698  1
]