data_[Tb4Pm2Sm8Tm4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  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 [C2/m]
_cell_length_a [15.2171]
_cell_length_b [5.0600]
_cell_length_c [8.0127]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.4311]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2Pm(Sm2Tm)2]
_chemical_formula_sum '[Tb4 Pm2 Sm8 Tm4]'
_cell_volume [585.3175]
_cell_formula_units_Z [2]
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
[
  Tb  Tb0  4  0.1115  0.0000  0.6676  1
  Pm  Pm1  2  0.0000  0.0000  0.0000  1
  Sm  Sm2  4  0.0548  0.5000  0.3318  1
  Sm  Sm3  4  0.2226  0.0000  0.3314  1
  Tm  Tm4  4  0.1681  0.5000  0.9995  1
]