data_[Pm6Fe4Ge8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Fe  1.8300  1.4000  0.8525
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.9345]
_cell_length_b [4.2471]
_cell_length_c [8.1730]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.7321]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm3(FeGe2)2]
_chemical_formula_sum '[Pm6 Fe4 Ge8]'
_cell_volume [361.5207]
_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  0.1187  0.5000  0.6940  1
  Pm  Pm1  2  0.0000  0.0000  0.0000  1
  Fe  Fe2  4  0.1910  0.5000  0.3663  1
  Ge  Ge3  4  0.1085  0.0000  0.4015  1
  Ge  Ge4  4  0.2114  0.5000  0.0853  1
]