data_Na3Ag
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.8
_cell_length_b   6.8
_cell_length_c   5.39
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   118.77
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na3Ag
_chemical_formula_sum   'Na6 Ag2'
_cell_volume   218.31
_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
  Na  Na2  1  0.46  0.82  0.04  1.0
  Na  Na3  1  0.46  0.18  0.35  1.0
  Na  Na4  1  0.1  0.05  0.04  1.0
  Na  Na5  1  0.82  0.95  0.35  1.0
  Na  Na6  1  0.1  0.95  0.35  1.0
  Na  Na7  1  0.82  0.05  0.04  1.0
  Ag  Ag0  1  0.46  0.07  0.04  1.0
  Ag  Ag1  1  0.46  0.93  0.35  1.0

data_Na3Ag
_symmetry_space_group_name_H-M   P-1
_cell_length_a   5.39
_cell_length_b   6.8
_cell_length_c   6.8
_cell_angle_alpha   118.77
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Na3Ag
_chemical_formula_sum   'Na6 Ag2'
_cell_volume   218.31
_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
  Na  Na0  2  0.15  0.0  0.18  1.0
  Na  Na1  2  0.15  0.36  0.95  1.0
  Na  Na2  2  0.15  0.64  0.95  1.0
  Ag  Ag3  2  0.15  0.0  0.93  1.0

Na Na Na Na Na Na Ag Ag
Na Na Na Na Na Na Ag Ag 0 6 o + o 0 7 o o o 1 6 o o o 1 7 o - o 2 5 - o o 2 4 o - o 3 5 o + o 3 4 + o o 6 7 o - o 