data_[Pm4Sm4Tm8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sm  1.1700  1.8500  1.2290
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [P2/c]
_cell_length_a [6.2786]
_cell_length_b [7.2594]
_cell_length_c [11.3700]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0466]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [PmSmTm2]
_chemical_formula_sum '[Pm4 Sm4 Tm8]'
_cell_volume [518.2302]
_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
[
  Pm  Pm0  4  0.1651  0.2483  0.8779  1
  Sm  Sm1  4  0.3327  0.4992  0.6252  1
  Tm  Tm2  4  0.1686  0.2451  0.3727  1
  Tm  Tm3  4  0.3338  0.0003  0.6252  1
]