data_[Si2Ag4Sb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Si  1.9000  1.1000  0.5400
  Ag  1.9300  1.6000  1.0867
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [9.1403]
_cell_length_b [3.1097]
_cell_length_c [6.7294]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.3536]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [SiAg2Sb]
_chemical_formula_sum '[Si2 Ag4 Sb2]'
_cell_volume [171.3944]
_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
[
  Si  Si0  2  0.2855  0.5000  0.1416  1
  Ag  Ag1  2  0.0335  0.0000  0.0515  1
  Ag  Ag2  2  0.2431  0.0000  0.7717  1
  Sb  Sb3  2  0.4378  0.0000  0.5352  1
]