data_[Pm4Sm14Tl4]
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
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [3.7001]
_cell_length_b [20.2366]
_cell_length_c [9.9134]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Pm2Sm7Tl2]
_chemical_formula_sum '[Pm4 Sm14 Tl4]'
_cell_volume [742.2921]
_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
[
  Pm  Pm0  2  0.0000  0.0000  0.7409  1
  Pm  Pm1  2  0.0000  0.5000  0.8946  1
  Sm  Sm2  4  0.0000  0.1365  0.2597  1
  Sm  Sm3  4  0.0000  0.1620  0.8891  1
  Sm  Sm4  4  0.0000  0.3704  0.0841  1
  Sm  Sm5  2  0.0000  0.5000  0.5554  1
  Tl  Tl6  4  0.0000  0.2549  0.5986  1
]