data_[Pm8Ge4H2]
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
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.4829]
_cell_length_b [6.5379]
_cell_length_c [8.7245]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.3397]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Pm4Ge2H]
_chemical_formula_sum '[Pm8 Ge4 H2]'
_cell_volume [348.9175]
_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  4  0.4882  0.0000  0.7354  1
  Pm  Pm1  2  0.0697  0.7500  0.3786  1
  Pm  Pm2  2  0.0928  0.7500  0.9108  1
  Ge  Ge3  2  0.2352  0.2500  0.4279  1
  Ge  Ge4  2  0.2848  0.2500  0.9517  1
  H  H5  2  0.2493  0.7500  0.1888  1
]