data_[Pm24Ge8Te4]
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
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [9.6826]
_cell_length_b [9.7513]
_cell_length_c [10.8966]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Pm6Ge2Te]
_chemical_formula_sum '[Pm24 Ge8 Te4]'
_cell_volume [1028.8334]
_cell_formula_units_Z [4]
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  0.0000  0.2069  0.2452  1
  Pm  Pm1  8  0.2061  0.5000  0.1775  1
  Pm  Pm2  8  0.2236  0.3103  0.5000  1
  Ge  Ge3  4  0.0000  0.3671  0.0000  1
  Ge  Ge4  4  0.0000  0.5000  0.3813  1
  Te  Te5  2  0.0000  0.0000  0.0000  1
  Te  Te6  2  0.0000  0.0000  0.5000  1
]