data_NaTaAg2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.84
_cell_length_b   4.84
_cell_length_c   6.55
_cell_angle_alpha   94.18
_cell_angle_beta   94.18
_cell_angle_gamma   32.95
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaTaAg2
_chemical_formula_sum   'Na1 Ta1 Ag2'
_cell_volume   83.08
_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
  Ta  Ta3  1  0.39  0.0  0.27  1.0
  Ag  Ag0  1  0.85  0.0  0.88  1.0
  Ag  Ag1  1  0.93  0.0  0.65  1.0

data_NaTaAg2
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.74
_cell_length_b   4.84
_cell_length_c   6.55
_cell_angle_alpha   94.18
_cell_angle_beta   90.0
_cell_angle_gamma   106.48
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaTaAg2
_chemical_formula_sum   'Na1 Ta1 Ag2'
_cell_volume   83.08
_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
  Ta  Ta1  1  0.0  0.61  0.73  1.0
  Ag  Ag2  1  0.0  0.07  0.35  1.0
  Ag  Ag3  1  0.0  0.15  0.12  1.0

Na Ta Ag Ag
Na Ta Ag Ag 0 2 - o - 0 1 o o o 1 1 + - o 2 3 o o o 