data_[Pm6Er8Tl1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Er  1.2400  1.7500  1.0300
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [P-3]
_cell_length_a [9.4372]
_cell_length_b [9.4372]
_cell_length_c [6.3214]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [147]
_chemical_formula_structural [Pm6Er8Tl]
_chemical_formula_sum '[Pm6 Er8 Tl1]'
_cell_volume [487.5576]
_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  6  0.0904  0.4525  0.3133  1
  Er  Er1  6  0.0392  0.2632  0.8114  1
  Er  Er2  2  0.3333  0.6667  0.8216  1
  Tl  Tl3  1  0.0000  0.0000  0.5000  1
]