data_Y2NbAg
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.35
_cell_length_b   4.48
_cell_length_c   6.43
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y2NbAg
_chemical_formula_sum   'Y2 Nb1 Ag1'
_cell_volume   96.52
_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
  Y  Y2  1  0.68  0.24  0.17  1.0
  Y  Y3  1  0.0  0.0  0.8  1.0
  Nb  Nb1  1  0.0  0.0  0.91  1.0
  Ag  Ag0  1  0.68  0.24  0.19  1.0

data_Y2NbAg
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.35
_cell_length_b   4.48
_cell_length_c   6.43
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y2NbAg
_chemical_formula_sum   'Y2 Nb1 Ag1'
_cell_volume   96.52
_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
  Y  Y0  1  0.0  0.0  0.8  1.0
  Y  Y1  1  0.68  0.24  0.17  1.0
  Nb  Nb2  1  0.0  0.0  0.91  1.0
  Ag  Ag3  1  0.68  0.24  0.19  1.0

Y Y Nb Ag
Y Y Nb Ag 0 3 o o o 1 2 o o o 