data_[Pm1Tm2Th2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Tm  1.2500  1.7500  1.0950
  Th  1.3000  1.8000  1.0800
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [3.5525]
_cell_length_b [3.5525]
_cell_length_c [14.5611]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Pm(TmTh)2]
_chemical_formula_sum '[Pm1 Tm2 Th2]'
_cell_volume [159.1463]
_cell_formula_units_Z [1]
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
[
  Pm  Pm0  1  0.0000  0.0000  0.5000  1
  Tm  Tm1  2  0.3333  0.6667  0.3006  1
  Th  Th2  2  0.3333  0.6667  0.9003  1
]