data_LiAg
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.57
_cell_length_b   3.07
_cell_length_c   4.61
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LiAg
_chemical_formula_sum   'Li2 Ag2'
_cell_volume   64.65
_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  Li2  1  0.43  0.0  0.6  1.0
  Li  Li3  1  0.14  0.0  0.01  1.0
  Ag  Ag0  1  0.43  0.54  0.29  1.0
  Ag  Ag1  1  0.14  0.54  0.31  1.0

data_LiAg
_symmetry_space_group_name_H-M   P2
_cell_length_a   4.57
_cell_length_b   3.07
_cell_length_c   4.61
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   3
_chemical_formula_structural   LiAg
_chemical_formula_sum   'Li2 Ag2'
_cell_volume   64.65
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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  0.14  0.0  0.3  1.0
  Ag  Ag1  2  0.14  0.54  0.99  1.0

Li Li Ag Ag