data_[La4Pm4Tm8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Pm  1.1300  1.8500  1.1100
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [P2/c]
_cell_length_a [6.3005]
_cell_length_b [7.3054]
_cell_length_c [11.5170]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0510]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [LaPmTm2]
_chemical_formula_sum '[La4 Pm4 Tm8]'
_cell_volume [530.1074]
_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
[
  La  La0  4  0.3305  0.4997  0.6246  1
  Pm  Pm1  4  0.1658  0.2450  0.8773  1
  Tm  Tm2  4  0.1684  0.2402  0.3730  1
  Tm  Tm3  4  0.3347  0.0005  0.6250  1
]