data_[Pm8Er2Tm10]
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
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [10.6396]
_cell_length_b [10.6396]
_cell_length_c [5.8661]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [Pm4ErTm5]
_chemical_formula_sum '[Pm8 Er2 Tm10]'
_cell_volume [664.0496]
_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  8  0.0000  0.3228  0.4520  1
  Er  Er1  2  0.0000  0.0000  0.2116  1
  Tm  Tm2  8  0.1888  0.1888  0.9502  1
  Tm  Tm3  2  0.0000  0.0000  0.6901  1
]