data_[Yb2Ag4Ge2Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Yb  1.1000  1.7500  1.0840
  Ag  1.9300  1.6000  1.0867
  Ge  2.0100  1.2500  0.7700
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [I222]
_cell_length_a [7.1165]
_cell_length_b [7.3445]
_cell_length_c [7.8259]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [23]
_chemical_formula_structural [YbAg2GeSe4]
_chemical_formula_sum '[Yb2 Ag4 Ge2 Se8]'
_cell_volume [409.0347]
_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
[
  Yb  Yb0  2  0.0000  0.0000  0.0000  1.0
  Ag  Ag1  4  0.0000  0.2058  0.5000  1.0
  Ge  Ge2  2  0.0000  0.5000  0.0000  1.0
  Se  Se3  8  0.1923  0.3083  0.1766  1.0
]