The crystal structure described by Mg3Rh5B2 crystallizes in the tetragonal P4/mbm space group. There are two inequivalent Mg sites. In the first Mg site, Mg(1) is bonded in a 11-coordinate geometry to two equivalent Rh(1), eight equivalent Rh(2), and one B(1) atom. In the second Mg site, Mg(2) is bonded in a body-centered cubic geometry to eight equivalent Rh(2) atoms. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a distorted body-centered cubic geometry to four equivalent Mg(1) and four equivalent B(1) atoms. In the second Rh site, Rh(2) is bonded in a 8-coordinate geometry to two equivalent Mg(2), four equivalent Mg(1), and two equivalent B(1) atoms. B(1) is bonded in a 7-coordinate geometry to one Mg(1), two equivalent Rh(1), and four equivalent Rh(2) atoms. is represented by the CIF file [CIF]
data_Mg3B2Rh5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.422
_cell_length_b   9.422
_cell_length_c   2.936
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   260.646
_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
  Mg  Mg0  1  0.677  0.177  0.000  1.0
  Mg  Mg1  1  0.323  0.823  0.000  1.0
  Mg  Mg2  1  0.177  0.323  0.000  1.0
  Mg  Mg3  1  0.823  0.677  0.000  1.0
  Mg  Mg4  1  0.000  0.000  0.000  1.0
  Mg  Mg5  1  0.500  0.500  0.000  1.0
  B  B6  1  0.126  0.626  0.000  1.0
  B  B7  1  0.874  0.374  0.000  1.0
  B  B8  1  0.626  0.874  0.000  1.0
  B  B9  1  0.374  0.126  0.000  1.0
  Rh  Rh10  1  0.500  0.000  0.500  1.0
  Rh  Rh11  1  0.000  0.500  0.500  1.0
  Rh  Rh12  1  0.221  0.071  0.500  1.0
  Rh  Rh13  1  0.779  0.929  0.500  1.0
  Rh  Rh14  1  0.071  0.779  0.500  1.0
  Rh  Rh15  1  0.721  0.429  0.500  1.0
  Rh  Rh16  1  0.929  0.221  0.500  1.0
  Rh  Rh17  1  0.279  0.571  0.500  1.0
  Rh  Rh18  1  0.571  0.721  0.500  1.0
  Rh  Rh19  1  0.429  0.279  0.500  1.0
[/CIF]
.
The crystal structure described by Mg3Rh5B2 crystallizes in the tetragonal P4/mbm space group. There are two inequivalent Mg sites. In the first Mg site, Mg(1) is bonded in a 11-coordinate geometry to two equivalent Rh(1), eight equivalent Rh(2), and one B(1) atom. In the second Mg site, Mg(2) is bonded in a body-centered cubic geometry to eight equivalent Rh(2) atoms. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a distorted body-centered cubic geometry to four equivalent Mg(1) and four equivalent B(1) atoms. In the second Rh site, Rh(2) is bonded in a 8-coordinate geometry to two equivalent Mg(2), four equivalent Mg(1), and two equivalent B(1) atoms. B(1) is bonded in a 7-coordinate geometry to one Mg(1), two equivalent Rh(1), and four equivalent Rh(2) atoms. is represented by the CIF file [CIF]
data_Mg3B2Rh5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.422
_cell_length_b   9.422
_cell_length_c   2.936
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   260.646
_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
  Mg  Mg0  1  0.677  0.177  0.000  1.0
  Mg  Mg1  1  0.323  0.823  0.000  1.0
  Mg  Mg2  1  0.177  0.323  0.000  1.0
  Mg  Mg3  1  0.823  0.677  0.000  1.0
  Mg  Mg4  1  0.000  0.000  0.000  1.0
  Mg  Mg5  1  0.500  0.500  0.000  1.0
  B  B6  1  0.126  0.626  0.000  1.0
  B  B7  1  0.874  0.374  0.000  1.0
  B  B8  1  0.626  0.874  0.000  1.0
  B  B9  1  0.374  0.126  0.000  1.0
  Rh  Rh10  1  0.500  0.000  0.500  1.0
  Rh  Rh11  1  0.000  0.500  0.500  1.0
  Rh  Rh12  1  0.221  0.071  0.500  1.0
  Rh  Rh13  1  0.779  0.929  0.500  1.0
  Rh  Rh14  1  0.071  0.779  0.500  1.0
  Rh  Rh15  1  0.721  0.429  0.500  1.0
  Rh  Rh16  1  0.929  0.221  0.500  1.0
  Rh  Rh17  1  0.279  0.571  0.500  1.0
  Rh  Rh18  1  0.571  0.721  0.500  1.0
  Rh  Rh19  1  0.429  0.279  0.500  1.0
[/CIF]
.