data_[Li20Mg4Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Mg  1.3100  1.5000  0.8600
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.6040]
_cell_length_b [5.4411]
_cell_length_c [10.0389]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.9802]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Li5MgAg]
_chemical_formula_sum '[Li20 Mg4 Ag4]'
_cell_volume [556.8390]
_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  8  0.1424  0.4813  0.0335  1.0
  Li  Li1  8  0.2301  0.0266  0.6808  1.0
  Li  Li2  4  0.0000  0.2538  0.7500  1.0
  Mg  Mg3  4  0.0000  0.2426  0.2500  1.0
  Ag  Ag4  4  0.0000  0.0000  0.0000  1.0
]