data_[Li4Ag4Sn8Se16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Ag  1.9300  1.6000  1.0867
  Sn  1.9600  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Fmm2]
_cell_length_a [8.2635]
_cell_length_b [9.9700]
_cell_length_c [10.9889]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [42]
_chemical_formula_structural [LiAg(SnSe2)2]
_chemical_formula_sum '[Li4 Ag4 Sn8 Se16]'
_cell_volume [905.3352]
_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
[
  Li  Li0  4  0.0000  0.0000  0.5117  1.0
  Ag  Ag1  4  0.0000  0.0000  0.0101  1.0
  Sn  Sn2  8  0.2500  0.2500  0.2684  1.0
  Se  Se3  8  0.0000  0.2472  0.6089  1.0
  Se  Se4  8  0.2412  0.0000  0.3619  1.0
]