data_NaAg2Sb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.13
_cell_length_b   4.94
_cell_length_c   5.84
_cell_angle_alpha   90.0
_cell_angle_beta   90.78
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaAg2Sb
_chemical_formula_sum   'Na1 Ag2 Sb1'
_cell_volume   90.32
_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
  Ag  Ag0  1  0.49  0.47  0.44  1.0
  Ag  Ag1  1  0.56  0.47  0.41  1.0
  Sb  Sb3  1  0.53  0.0  0.92  1.0

data_NaAg2Sb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.13
_cell_length_b   4.94
_cell_length_c   5.84
_cell_angle_alpha   90.0
_cell_angle_beta   90.78
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaAg2Sb
_chemical_formula_sum   'Na1 Ag2 Sb1'
_cell_volume   90.32
_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
  Ag  Ag1  1  0.49  0.47  0.44  1.0
  Ag  Ag2  1  0.56  0.47  0.41  1.0
  Sb  Sb3  1  0.53  0.0  0.92  1.0

Na Ag Ag Sb
Na Ag Ag Sb 0 3 - o - 0 3 o o - 1 2 o o o 