data_[Pm12Ge8Cl4]
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
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [8.4877]
_cell_length_b [5.9459]
_cell_length_c [12.6335]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Pm3Ge2Cl]
_chemical_formula_sum '[Pm12 Ge8 Cl4]'
_cell_volume [637.5789]
_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  0.1171  0.2500  0.7526  1
  Pm  Pm1  4  0.1222  0.2500  0.4152  1
  Pm  Pm2  4  0.1396  0.2500  0.0910  1
  Ge  Ge3  4  0.1224  0.7500  0.7549  1
  Ge  Ge4  4  0.1314  0.7500  0.4162  1
  Cl  Cl5  4  0.1271  0.7500  0.0847  1
]