data_[Pm16Ga2Ge4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ga  1.8100  1.3000  0.7600
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.1980]
_cell_length_b [4.9892]
_cell_length_c [6.8619]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.5815]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm8GaGe2]
_chemical_formula_sum '[Pm16 Ga2 Ge4]'
_cell_volume [641.4691]
_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  0.0242  0.0000  0.7752  1
  Pm  Pm1  4  0.0918  0.5000  0.4730  1
  Pm  Pm2  4  0.1615  0.5000  0.9970  1
  Pm  Pm3  4  0.2121  0.0000  0.3337  1
  Ga  Ga4  2  0.0000  0.5000  0.0000  1
  Ge  Ge5  4  0.1832  0.0000  0.7587  1
]