data_Hg2Rh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.75
_cell_length_b   7.25
_cell_length_c   3.04
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Hg2Rh
_chemical_formula_sum   'Hg4 Rh2'
_cell_volume   148.66
_cell_formula_units_Z   2
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  0.82  0.97  0.0  1.0
  Hg  Hg1  1  0.56  0.59  0.52  1.0
  Hg  Hg2  1  0.19  0.66  0.52  1.0
  Hg  Hg3  1  0.93  0.28  0.0  1.0
  Rh  Rh4  1  0.0  0.0  0.0  1.0
  Rh  Rh5  1  0.37  0.62  0.52  1.0

data_Hg2Rh
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.04
_cell_length_b   6.75
_cell_length_c   7.25
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Hg2Rh
_chemical_formula_sum   'Hg4 Rh2'
_cell_volume   148.66
_cell_formula_units_Z   2
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  -0.0  0.82  0.97  1.0
  Hg  Hg1  1  -0.0  0.93  0.28  1.0
  Hg  Hg2  1  0.52  0.19  0.66  1.0
  Hg  Hg3  1  0.52  0.56  0.59  1.0
  Rh  Rh4  1  0.0  0.0  0.0  1.0
  Rh  Rh5  1  0.52  0.37  0.62  1.0

Hg Hg Hg Hg Rh Rh
Hg Hg Hg Hg Rh Rh 0 4 + + o 0 3 o + o 1 5 o o o 2 5 o o o 3 4 + o o 