data_MgRh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.02
_cell_length_b   3.02
_cell_length_c   3.24
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MgRh
_chemical_formula_sum   'Mg1 Rh1'
_cell_volume   29.53
_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
  Mg  Mg0  1  0.0  0.0  0.0  1.0
  Rh  Rh1  1  0.51  0.51  0.62  1.0

data_MgRh
_symmetry_space_group_name_H-M   P4mm
_cell_length_a   3.02
_cell_length_b   3.02
_cell_length_c   3.24
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   99
_chemical_formula_structural   MgRh
_chemical_formula_sum   'Mg1 Rh1'
_cell_volume   29.53
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x, z'
  3  '-x, -y, z'
  4  'y, -x, z'
  5  '-x, y, z'
  6  'y, x, z'
  7  'x, -y, z'
  8  '-y, -x, 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
  Mg  Mg0  1  0.0  0.0  0.0  1.0
  Rh  Rh1  1  0.5  0.5  0.62  1.0

Mg Rh
MgRh is Tetraauricupride structured and crystallizes in the monoclinic Cm space group. Mg(1) is bonded in a 8-coordinate geometry to eight equivalent Rh(1) atoms. There are a spread of Mg(1)-Rh(1) bond distances ranging from 2.43-2.96 Å. Rh(1) is bonded in a 8-coordinate geometry to eight equivalent Mg(1) atoms.