data_NaHg2Ir
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.01
_cell_length_b   4.12
_cell_length_c   6.4
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaHg2Ir
_chemical_formula_sum   'Na1 Hg2 Ir1'
_cell_volume   79.42
_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  Na3  1  0.0  0.0  0.0  1.0
  Hg  Hg0  1  0.51  0.06  0.73  1.0
  Hg  Hg1  1  0.51  0.06  0.67  1.0
  Ir  Ir2  1  0.0  0.0  0.2  1.0

data_NaHg2Ir
_symmetry_space_group_name_H-M   Pm
_cell_length_a   4.12
_cell_length_b   3.01
_cell_length_c   6.4
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   NaHg2Ir
_chemical_formula_sum   'Na1 Hg2 Ir1'
_cell_volume   79.42
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '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
  Hg  Hg1  1  0.06  0.5  0.67  1.0
  Hg  Hg2  1  0.06  0.5  0.73  1.0
  Ir  Ir3  1  0.0  0.0  0.2  1.0

Na Hg Hg Ir
Na Hg Hg Ir 0 3 o o o 1 2 o o o 