data_[Pm8Y4Tm6]
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
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.7077]
_cell_length_b [3.5432]
_cell_length_c [8.6000]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.7401]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm4Y2Tm3]
_chemical_formula_sum '[Pm8 Y4 Tm6]'
_cell_volume [593.5485]
_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  0.0474  0.5000  0.6869  1
  Pm  Pm1  4  0.2195  0.5000  0.6504  1
  Y  Y2  4  0.1672  0.5000  0.0453  1
  Tm  Tm3  4  0.1065  0.0000  0.3576  1
  Tm  Tm4  2  0.0000  0.0000  0.0000  1
]