data_[Pm16Ge4N6]
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
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.2623]
_cell_length_b [7.3253]
_cell_length_c [6.5319]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.7911]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm8Ge2N3]
_chemical_formula_sum '[Pm16 Ge4 N6]'
_cell_volume [653.3353]
_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  8  0.0986  0.2384  0.3898  1
  Pm  Pm1  4  0.1004  0.0000  0.9013  1
  Pm  Pm2  4  0.1066  0.5000  0.9404  1
  Ge  Ge3  4  0.2435  0.5000  0.6765  1
  N  N4  4  0.0000  0.2445  0.0000  1
  N  N5  2  0.0000  0.0000  0.5000  1
]