data_SiAg2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.29
_cell_length_b   12.29
_cell_length_c   12.29
_cell_angle_alpha   166.21
_cell_angle_beta   166.21
_cell_angle_gamma   19.54
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiAg2
_chemical_formula_sum   'Si2 Ag4'
_cell_volume   105.29
_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
  Si  Si4  1  0.0  0.47  0.05  1.0
  Si  Si5  1  0.0  0.0  0.0  1.0
  Ag  Ag0  1  0.47  0.0  0.87  1.0
  Ag  Ag1  1  0.0  0.0  0.29  1.0
  Ag  Ag2  1  0.47  0.0  0.24  1.0
  Ag  Ag3  1  0.0  0.0  0.92  1.0

data_SiAg2
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.95
_cell_length_b   2.95
_cell_length_c   12.29
_cell_angle_alpha   96.89
_cell_angle_beta   96.89
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiAg2
_chemical_formula_sum   'Si2 Ag4'
_cell_volume   105.29
_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
  Si  Si0  1  0.0  0.0  0.0  1.0
  Si  Si1  1  0.42  0.47  0.42  1.0
  Ag  Ag2  1  0.08  0.0  0.08  1.0
  Ag  Ag3  1  0.13  0.0  0.61  1.0
  Ag  Ag4  1  0.71  0.0  0.71  1.0
  Ag  Ag5  1  0.76  0.0  0.23  1.0

Si Si Ag Ag Ag Ag