data_SiHgRh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.53
_cell_length_b   5.5
_cell_length_c   3.17
_cell_angle_alpha   73.79
_cell_angle_beta   72.77
_cell_angle_gamma   33.44
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiHgRh
_chemical_formula_sum   'Si1 Hg1 Rh1'
_cell_volume   50.6
_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
  Si  Si2  1  0.21  0.28  0.07  1.0
  Hg  Hg0  1  0.21  0.28  0.0  1.0
  Rh  Rh1  1  0.21  0.28  0.99  1.0

data_SiHgRh
_symmetry_space_group_name_H-M   Imm2
_cell_length_a   3.17
_cell_length_b   10.07
_cell_length_c   3.17
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   44
_chemical_formula_structural   SiHgRh
_chemical_formula_sum   'Si2 Hg2 Rh2'
_cell_volume   101.25
_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, y, z'
  4  'x, -y, z'
  5  'x+1/2, y+1/2, z+1/2'
  6  '-x+1/2, -y+1/2, z+1/2'
  7  '-x+1/2, y+1/2, z+1/2'
  8  'x+1/2, -y+1/2, z+1/2'
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
  Si  Si0  2  0.0  0.0  0.65  1.0
  Hg  Hg1  2  0.0  0.0  0.72  1.0
  Rh  Rh2  2  0.0  0.0  0.73  1.0

Si Hg Rh