data_[Pr12Si2Ge4Te6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Si  1.9000  1.1000  0.5400
  Ge  2.0100  1.2500  0.7700
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.4409]
_cell_length_b [4.4071]
_cell_length_c [8.9807]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.8565]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pr6SiGe2Te3]
_chemical_formula_sum '[Pr12 Si2 Ge4 Te6]'
_cell_volume [743.7256]
_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
[
  Pr  Pr0  4  0.0051  0.0000  0.2347  1.0
  Pr  Pr1  4  0.1606  0.5000  0.0959  1.0
  Pr  Pr2  4  0.1719  0.5000  0.5697  1.0
  Si  Si3  2  0.0000  0.5000  0.0000  1.0
  Ge  Ge4  4  0.1666  0.0000  0.3330  1.0
  Te  Te5  4  0.1669  0.0000  0.8333  1.0
  Te  Te6  2  0.0000  0.5000  0.5000  1.0
]