data_InAg
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.19
_cell_length_b   5.19
_cell_length_c   5.15
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   InAg
_chemical_formula_sum   'In2 Ag2'
_cell_volume   85.32
_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
  In  In2  1  0.59  0.0  0.57  1.0
  In  In3  1  0.0  0.6  0.58  1.0
  Ag  Ag0  1  0.0  0.0  0.09  1.0
  Ag  Ag1  1  0.59  0.6  0.06  1.0

data_InAg
_symmetry_space_group_name_H-M   P-1
_cell_length_a   3.19
_cell_length_b   5.15
_cell_length_c   5.19
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   InAg
_chemical_formula_sum   'In2 Ag2'
_cell_volume   85.32
_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
  In  In0  2  0.2  0.0  0.8  1.0
  Ag  Ag1  2  0.2  0.51  0.2  1.0

In In Ag Ag