data_Na2TaAg
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.42
_cell_length_b   6.42
_cell_length_c   2.72
_cell_angle_alpha   101.24
_cell_angle_beta   101.24
_cell_angle_gamma   124.45
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2TaAg
_chemical_formula_sum   'Na2 Ta1 Ag1'
_cell_volume   84.11
_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  Na1  1  0.93  0.84  0.24  1.0
  Na  Na2  1  0.93  0.16  0.24  1.0
  Ta  Ta3  1  0.99  0.0  0.0  1.0
  Ag  Ag0  1  0.0  0.0  0.0  1.0

data_Na2TaAg
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.72
_cell_length_b   5.44
_cell_length_c   6.42
_cell_angle_alpha   114.53
_cell_angle_beta   101.24
_cell_angle_gamma   92.3
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2TaAg
_chemical_formula_sum   'Na2 Ta1 Ag1'
_cell_volume   84.11
_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  0.08  0.84  0.77  1.0
  Na  Na1  1  0.39  0.16  0.09  1.0
  Ta  Ta2  1  0.0  0.0  0.99  1.0
  Ag  Ag3  1  0.0  0.0  0.0  1.0

Na Na Ta Ag