data_NaSiAg2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.13
_cell_length_b   5.13
_cell_length_c   5.13
_cell_angle_alpha   132.04
_cell_angle_beta   132.04
_cell_angle_gamma   70.16
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaSiAg2
_chemical_formula_sum   'Na1 Si1 Ag2'
_cell_volume   72.9
_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
  Na  Na2  1  0.0  0.0  0.0  1.0
  Si  Si3  1  0.08  0.0  0.1  1.0
  Ag  Ag0  1  0.0  0.0  0.2  1.0
  Ag  Ag1  1  0.0  0.08  0.1  1.0

data_NaSiAg2
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.17
_cell_length_b   4.17
_cell_length_c   5.13
_cell_angle_alpha   113.98
_cell_angle_beta   113.98
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaSiAg2
_chemical_formula_sum   'Na1 Si1 Ag2'
_cell_volume   72.9
_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
  Na  Na0  1  0.0  0.0  0.0  1.0
  Si  Si1  1  0.9  0.0  0.99  1.0
  Ag  Ag2  1  0.8  0.0  0.8  1.0
  Ag  Ag3  1  0.99  0.08  0.99  1.0

Na Si Ag Ag