data_CdHg2Ru
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.01
_cell_length_b   3.01
_cell_length_c   9.13
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   91.17
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CdHg2Ru
_chemical_formula_sum   'Cd1 Hg2 Ru1'
_cell_volume   82.83
_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
  Cd  Cd0  1  0.11  0.0  0.63  1.0
  Hg  Hg1  1  0.0  0.0  0.05  1.0
  Hg  Hg2  1  0.11  0.0  0.49  1.0
  Ru  Ru3  1  0.0  0.0  0.52  1.0

data_CdHg2Ru
_symmetry_space_group_name_H-M   Pm
_cell_length_a   3.01
_cell_length_b   3.01
_cell_length_c   9.13
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   CdHg2Ru
_chemical_formula_sum   'Cd1 Hg2 Ru1'
_cell_volume   82.84
_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
  Cd  Cd0  1  0.11  0.0  0.63  1.0
  Hg  Hg1  1  0.0  0.0  0.05  1.0
  Hg  Hg2  1  0.11  0.0  0.49  1.0
  Ru  Ru3  1  0.0  0.0  0.52  1.0

Cd Hg Hg Ru
Cd Hg Hg Ru 0 3 o o o 1 1 o + o 1 1 + o o 2 3 o o o 