data_[Pm4Pb4F20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pb  2.3300  1.8000  1.1225
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [7.5946]
_cell_length_b [7.0983]
_cell_length_c [8.0877]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.2012]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [PmPbF5]
_chemical_formula_sum '[Pm4 Pb4 F20]'
_cell_volume [435.9069]
_cell_formula_units_Z [4]
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  0.0000  0.4822  0.7500  1
  Pb  Pb1  4  0.0000  0.0000  0.0000  1
  F  F2  8  0.1582  0.4338  0.0028  1
  F  F3  8  0.1616  0.2162  0.6900  1
  F  F4  4  0.0000  0.1922  0.2500  1
]