data_[Ac4Pm6Ge8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Pm  1.1300  1.8500  1.1100
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [8.1247]
_cell_length_b [8.2525]
_cell_length_c [7.9970]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.5411]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Ac2Pm3Ge4]
_chemical_formula_sum '[Ac4 Pm6 Ge8]'
_cell_volume [511.2605]
_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
[
  Ac  Ac0  4  0.1974  0.1749  0.0772  1
  Pm  Pm1  4  0.2476  0.6730  0.2595  1
  Pm  Pm2  2  0.5000  0.0000  0.5000  1
  Ge  Ge3  4  0.0822  0.5359  0.8753  1
  Ge  Ge4  4  0.4944  0.1324  0.8632  1
]