data_[Pm2H4F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  H  2.2000  0.2500  0.0000
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [4.6347]
_cell_length_b [13.9844]
_cell_length_c [6.1910]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.0618]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [PmH2F8]
_chemical_formula_sum '[Pm2 H4 F16]'
_cell_volume [379.2566]
_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  2  0.0000  0.0000  0.0000  1
  H  H1  4  0.2054  0.5000  0.3936  1
  F  F2  8  0.2114  0.1562  0.0904  1
  F  F3  4  0.1274  0.5000  0.2060  1
  F  F4  4  0.2064  0.0000  0.4001  1
]