data_[Pm12Ge2C4]
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
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.4006]
_cell_length_b [5.1449]
_cell_length_c [8.8874]
_cell_angle_alpha [90.0000]
_cell_angle_beta [126.8308]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm6GeC2]
_chemical_formula_sum '[Pm12 Ge2 C4]'
_cell_volume [490.4375]
_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  0.0311  0.0000  0.2013  1
  Pm  Pm1  4  0.1524  0.5000  0.5830  1
  Pm  Pm2  4  0.2004  0.5000  0.0691  1
  Ge  Ge3  2  0.0000  0.0000  0.5000  1
  C  C4  4  0.1806  0.0000  0.0817  1
]