data_NaYAg2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.59
_cell_length_b   3.59
_cell_length_c   7.47
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   91.08
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaYAg2
_chemical_formula_sum   'Na1 Y1 Ag2'
_cell_volume   96.08
_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
  Y  Y3  1  0.0  0.0  0.74  1.0
  Ag  Ag0  1  0.51  0.0  0.49  1.0
  Ag  Ag1  1  0.51  0.0  0.99  1.0

data_NaYAg2
_symmetry_space_group_name_H-M   Pmm2
_cell_length_a   3.59
_cell_length_b   3.59
_cell_length_c   7.47
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   25
_chemical_formula_structural   NaYAg2
_chemical_formula_sum   'Na1 Y1 Ag2'
_cell_volume   96.1
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-x, -y, z'
  3  '-x, y, z'
  4  '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
  Y  Y1  1  0.0  0.0  0.74  1.0
  Ag  Ag2  1  0.5  0.0  0.49  1.0
  Ag  Ag3  1  0.5  0.0  0.99  1.0

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