data_HgTe2Ir
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.23
_cell_length_b   3.23
_cell_length_c   9.61
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   HgTe2Ir
_chemical_formula_sum   'Hg1 Te2 Ir1'
_cell_volume   100.14
_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
  Hg  Hg0  1  0.61  0.61  0.26  1.0
  Te  Te2  1  0.61  0.61  0.81  1.0
  Te  Te3  1  0.0  0.0  0.54  1.0
  Ir  Ir1  1  0.0  0.0  0.4  1.0

data_HgTe2Ir
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.57
_cell_length_b   4.57
_cell_length_c   9.61
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   HgTe2Ir
_chemical_formula_sum   'Hg2 Te4 Ir2'
_cell_volume   200.29
_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
  Hg  Hg0  2  0.11  0.5  0.26  1.0
  Te  Te1  2  0.0  0.0  0.54  1.0
  Te  Te2  2  0.11  0.5  0.81  1.0
  Ir  Ir3  2  0.0  0.0  0.4  1.0

Hg Te Te Ir
Hg Te Te Ir 0 3 o + o 0 3 + o o 0 3 + + o 1 2 o o o 1 2 o + o 1 2 + o o 1 2 + + o 1 1 + o o 1 1 o + o 2 3 o o o 