data_BaNi2Ir
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.69
_cell_length_b   4.69
_cell_length_c   4.69
_cell_angle_alpha   120.99
_cell_angle_beta   120.99
_cell_angle_gamma   88.3
_symmetry_Int_Tables_number   1
_chemical_formula_structural   BaNi2Ir
_chemical_formula_sum   'Ba1 Ni2 Ir1'
_cell_volume   71.65
_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  Ba0  1  0.0  0.0  0.0  1.0
  Ni  Ni2  1  0.0  0.31  0.68  1.0
  Ni  Ni3  1  0.31  0.0  0.68  1.0
  Ir  Ir1  1  0.0  0.0  0.36  1.0

data_BaNi2Ir
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.53
_cell_length_b   6.53
_cell_length_c   4.69
_cell_angle_alpha   90.0
_cell_angle_beta   134.15
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   BaNi2Ir
_chemical_formula_sum   'Ba2 Ni4 Ir2'
_cell_volume   143.3
_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  0.0  1.0
  Ni  Ni1  4  0.47  0.15  0.63  1.0
  Ir  Ir2  2  0.14  0.5  0.64  1.0

Ba Ni Ni Ir
Ba Ni Ni Ir 0 3 o o o 1 3 o o o 2 3 o o o 