data_LiSiAg2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.87
_cell_length_b   4.42
_cell_length_c   5.35
_cell_angle_alpha   90.0
_cell_angle_beta   105.53
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LiSiAg2
_chemical_formula_sum   'Li1 Si1 Ag2'
_cell_volume   65.5
_cell_formula_units_Z   1
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  0.54  0.0  0.7  1.0
  Si  Si3  1  0.17  0.21  0.83  1.0
  Ag  Ag0  1  0.08  0.0  0.1  1.0
  Ag  Ag1  1  0.94  0.21  0.25  1.0

data_LiSiAg2
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.87
_cell_length_b   4.42
_cell_length_c   5.35
_cell_angle_alpha   90.0
_cell_angle_beta   105.53
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LiSiAg2
_chemical_formula_sum   'Li1 Si1 Ag2'
_cell_volume   65.5
_cell_formula_units_Z   1
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  1  0.54  0.0  0.7  1.0
  Si  Si1  1  0.17  0.21  0.83  1.0
  Ag  Ag2  1  0.08  0.0  0.1  1.0
  Ag  Ag3  1  0.94  0.21  0.25  1.0

Li Si Ag Ag
Li Si Ag Ag 0 1 o o o 0 1 + o o 1 2 o o + 2 3 - o o 