data_[Pm8Y2Er4Tm4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.1735]
_cell_length_b [5.0434]
_cell_length_c [8.0025]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.3599]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm4Y(ErTm)2]
_chemical_formula_sum '[Pm8 Y2 Er4 Tm4]'
_cell_volume [581.2300]
_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  4  0.0541  0.5000  0.3317  1
  Pm  Pm1  4  0.2233  0.0000  0.3324  1
  Y  Y2  2  0.0000  0.0000  0.0000  1
  Er  Er3  4  0.1116  0.0000  0.6687  1
  Tm  Tm4  4  0.1679  0.5000  0.9998  1
]