data_[Na4Ge4Te8Se24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ge  2.0100  1.2500  0.7700
  Te  2.1000  1.4000  1.2933
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [15.4462]
_cell_length_b [11.2840]
_cell_length_c [8.8121]
_cell_angle_alpha [90.0000]
_cell_angle_beta [123.7579]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaGe(TeSe3)2]
_chemical_formula_sum '[Na4 Ge4 Te8 Se24]'
_cell_volume [1276.9375]
_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
[
  Na  Na0  4  0.0000  0.0295  0.2500  1
  Ge  Ge1  4  0.0000  0.2864  0.7500  1
  Te  Te2  8  0.2100  0.3225  0.2531  1
  Se  Se3  8  0.0885  0.1705  0.6114  1
  Se  Se4  8  0.1161  0.4443  0.9511  1
  Se  Se5  8  0.1537  0.1103  0.1580  1
]