data_Na(AgIr)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.74
_cell_length_b   7.74
_cell_length_c   7.74
_cell_angle_alpha   152.87
_cell_angle_beta   152.87
_cell_angle_gamma   38.75
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na(AgIr)2
_chemical_formula_sum   'Na1 Ag2 Ir2'
_cell_volume   96.36
_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  Na4  1  0.0  0.0  0.0  1.0
  Ag  Ag0  1  0.0  0.0  0.73  1.0
  Ag  Ag1  1  0.0  0.0  0.88  1.0
  Ir  Ir2  1  0.0  0.82  0.65  1.0
  Ir  Ir3  1  0.82  0.0  0.65  1.0

data_Na(AgIr)2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.14
_cell_length_b   5.14
_cell_length_c   7.74
_cell_angle_alpha   90.0
_cell_angle_beta   109.37
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Na(AgIr)2
_chemical_formula_sum   'Na2 Ag4 Ir4'
_cell_volume   192.73
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  2  0.0  0.0  0.0  1.0
  Ag  Ag1  2  0.0  0.0  0.12  1.0
  Ag  Ag2  2  0.0  0.0  0.27  1.0
  Ir  Ir3  4  0.41  0.41  0.16  1.0

Na Ag Ag Ir Ir
Na Ag Ag Ir Ir 0 2 o o - 1 4 - o o 1 3 o - o 2 4 - o o 2 3 o - o 3 4 - + o 