data_BaAlIr2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.44
_cell_length_b   9.44
_cell_length_c   9.44
_cell_angle_alpha   18.87
_cell_angle_beta   18.87
_cell_angle_gamma   18.87
_symmetry_Int_Tables_number   1
_chemical_formula_structural   BaAlIr2
_chemical_formula_sum   'Ba1 Al1 Ir2'
_cell_volume   76.82
_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
  Ba  Ba1  1  0.0  0.0  0.9  1.0
  Al  Al0  1  0.0  0.0  0.0  1.0
  Ir  Ir2  1  0.0  0.0  0.45  1.0
  Ir  Ir3  1  0.0  0.0  0.36  1.0

data_BaAlIr2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.36
_cell_length_b   3.09
_cell_length_c   9.44
_cell_angle_alpha   90.0
_cell_angle_beta   100.91
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   BaAlIr2
_chemical_formula_sum   'Ba2 Al2 Ir4'
_cell_volume   153.65
_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
  Ba  Ba0  2  0.0  0.0  0.1  1.0
  Al  Al1  2  0.0  0.0  0.0  1.0
  Ir  Ir2  2  0.0  0.0  0.55  1.0
  Ir  Ir3  2  0.0  0.0  0.64  1.0

Ba Al Ir Ir
Ba Al Ir Ir 0 1 o o + 2 3 o o o 