data_ReHg2Rh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.88
_cell_length_b   4.88
_cell_length_c   2.96
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ReHg2Rh
_chemical_formula_sum   'Re1 Hg2 Rh1'
_cell_volume   70.35
_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
  Re  Re2  1  0.44  0.44  0.0  1.0
  Hg  Hg0  1  0.0  0.44  0.48  1.0
  Hg  Hg1  1  0.44  0.0  0.48  1.0
  Rh  Rh3  1  0.0  0.0  0.0  1.0

data_ReHg2Rh
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.9
_cell_length_b   6.9
_cell_length_c   2.96
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   ReHg2Rh
_chemical_formula_sum   'Re2 Hg4 Rh2'
_cell_volume   140.71
_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
  Re  Re0  2  0.44  0.0  0.0  1.0
  Hg  Hg1  4  0.22  0.22  0.48  1.0
  Rh  Rh2  2  0.0  0.0  0.0  1.0

Re Hg Hg Rh
Re Hg Hg Rh 0 3 o o o 0 1 o o - 0 1 o o o 0 1 + o - 0 1 + o o 0 2 o o - 0 2 o o o 0 2 o + - 0 2 o + o 0 0 o o + 1 3 o o o 1 3 o o + 1 3 o + o 1 3 o + + 1 2 o o o 1 1 o o + 2 3 o o o 2 3 o o + 2 3 + o o 2 3 + o + 2 2 o o + 3 3 o o + 
ReRhHg2 crystallizes in the monoclinic Cm space group. Re(1) is bonded in a 4-coordinate geometry to eight equivalent Hg(1) atoms. There are a spread of Re(1)-Hg(1) bond distances ranging from 2.57-3.14 Å. Rh(1) is bonded in a 4-coordinate geometry to eight equivalent Hg(1) atoms. There are a spread of Rh(1)-Hg(1) bond distances ranging from 2.57-3.14 Å. Hg(1) is bonded in a 8-coordinate geometry to four equivalent Re(1) and four equivalent Rh(1) atoms.