data_Mn2BiRh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.39
_cell_length_b   3.39
_cell_length_c   6.48
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mn2BiRh
_chemical_formula_sum   'Mn2 Bi1 Rh1'
_cell_volume   74.53
_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
  Mn  Mn1  1  0.7  0.7  0.07  1.0
  Mn  Mn2  1  0.7  0.7  0.41  1.0
  Bi  Bi0  1  0.0  0.0  0.24  1.0
  Rh  Rh3  1  0.0  0.0  0.0  1.0

data_Mn2BiRh
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.8
_cell_length_b   4.8
_cell_length_c   6.48
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Mn2BiRh
_chemical_formula_sum   'Mn4 Bi2 Rh2'
_cell_volume   149.06
_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
  Mn  Mn0  2  0.2  0.5  0.07  1.0
  Mn  Mn1  2  0.2  0.5  0.41  1.0
  Bi  Bi2  2  0.0  0.0  0.24  1.0
  Rh  Rh3  2  0.0  0.0  0.0  1.0

Mn Mn Bi Rh
Mn Mn Bi Rh 0 3 + + o 0 2 + + o 0 1 o o o 1 2 + + o 2 3 o o o 
Mn2RhBi crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two Mn2RhBi clusters. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 1-coordinate geometry to one Rh(1) and one Bi(1) atom. The Mn(1)-Rh(1) bond length is 1.53 Å. The Mn(1)-Bi(1) bond length is 1.82 Å. In the second Mn site, Mn(2) is bonded in a distorted single-bond geometry to one Bi(1) atom. The Mn(2)-Bi(1) bond length is 1.82 Å. Rh(1) is bonded in a 2-coordinate geometry to one Mn(1) and one Bi(1) atom. The Rh(1)-Bi(1) bond length is 1.54 Å. Bi(1) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(2), and one Rh(1) atom.