data_[Ag4Ge8Bi4Se24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Ge  2.0100  1.2500  0.7700
  Bi  2.0200  1.6000  1.0350
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [13.4744]
_cell_length_b [12.5693]
_cell_length_c [6.8984]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.3823]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [AgGe2BiSe6]
_chemical_formula_sum '[Ag4 Ge8 Bi4 Se24]'
_cell_volume [1120.9117]
_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
[
  Ag  Ag0  4  0.0000  0.2900  0.7500  1.0
  Ge  Ge1  8  0.1997  0.4237  0.2609  1.0
  Bi  Bi2  4  0.0000  0.1202  0.2500  1.0
  Se  Se3  8  0.1149  0.0814  0.6774  1.0
  Se  Se4  8  0.1304  0.4250  0.5479  1.0
  Se  Se5  8  0.1383  0.2578  0.0952  1.0
]