data_[Pm2Al1Tl1O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Al  1.6100  1.2500  0.6750
  Tl  1.6200  1.9000  1.3325
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [5.3428]
_cell_length_b [5.3428]
_cell_length_c [5.0937]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [Pm2AlTlO6]
_chemical_formula_sum '[Pm2 Al1 Tl1 O6]'
_cell_volume [145.4035]
_cell_formula_units_Z [1]
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  0.5000  0.0006  1
  Al  Al1  1  0.0000  0.0000  0.5952  1
  Tl  Tl2  1  0.5000  0.5000  0.5500  1
  O  O3  4  0.2326  0.2326  0.7312  1
  O  O4  1  0.0000  0.0000  0.2413  1
  O  O5  1  0.5000  0.5000  0.1343  1
]