data_[Li2Tl2Ag8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Tl  1.6200  1.9000  1.3325
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.8248]
_cell_length_b [9.1883]
_cell_length_c [5.0905]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [LiTlAg4]
_chemical_formula_sum '[Li2 Tl2 Ag8]'
_cell_volume [225.6719]
_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
[
  Li  Li0  2  0.5000  0.0000  0.0228  1
  Tl  Tl1  2  0.0000  0.0000  0.6638  1
  Ag  Ag2  4  0.0000  0.1655  0.1581  1
  Ag  Ag3  4  0.5000  0.1732  0.4986  1
]