data_[Ce4Pm2Tl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Pm  1.1300  1.8500  1.1100
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [4.6507]
_cell_length_b [4.3477]
_cell_length_c [11.6522]
_cell_angle_alpha [90.0000]
_cell_angle_beta [99.1360]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Ce2PmTl]
_chemical_formula_sum '[Ce4 Pm2 Tl2]'
_cell_volume [232.6172]
_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
[
  Ce  Ce0  2  0.0009  0.2500  0.8903  1
  Ce  Ce1  2  0.3847  0.7500  0.8854  1
  Pm  Pm2  2  0.2994  0.2500  0.6074  1
  Tl  Tl3  2  0.1823  0.2500  0.3252  1
]