data_[Pm36Ge18F3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ge  2.0100  1.2500  0.7700
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [12.8029]
_cell_length_b [12.8029]
_cell_length_c [11.8736]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Pm12Ge6F]
_chemical_formula_sum '[Pm36 Ge18 F3]'
_cell_volume [1685.4982]
_cell_formula_units_Z [3]
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  18  0.0338  0.2037  0.3885  1
  Pm  Pm1  18  0.0470  0.1961  0.8791  1
  Ge  Ge2  18  0.0528  0.4398  0.3159  1
  F  F3  3  0.0000  0.0000  0.0000  1
]