data_YRh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.52
_cell_length_b   5.52
_cell_length_c   5.52
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YRh
_chemical_formula_sum   'Y4 Rh4'
_cell_volume   167.93
_cell_formula_units_Z   4
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
  Y  Y4  1  0.42  0.42  0.42  1.0
  Y  Y5  1  0.34  0.1  0.18  1.0
  Y  Y6  1  0.1  0.18  0.34  1.0
  Y  Y7  1  0.18  0.34  0.1  1.0
  Rh  Rh0  1  0.3  0.3  0.3  1.0
  Rh  Rh1  1  0.46  0.22  0.06  1.0
  Rh  Rh2  1  0.22  0.06  0.46  1.0
  Rh  Rh3  1  0.06  0.46  0.22  1.0

data_YRh
_symmetry_space_group_name_H-M   R3
_cell_length_a   7.8
_cell_length_b   7.8
_cell_length_c   9.56
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   146
_chemical_formula_structural   YRh
_chemical_formula_sum   'Y12 Rh12'
_cell_volume   503.79
_cell_formula_units_Z   12
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x-y, z'
  3  '-x+y, -x, z'
  4  'x+1/3, y+2/3, z+2/3'
  5  '-y+1/3, x-y+2/3, z+2/3'
  6  '-x+y+1/3, -x+2/3, z+2/3'
  7  'x+2/3, y+1/3, z+1/3'
  8  '-y+2/3, x-y+1/3, z+1/3'
  9  '-x+y+2/3, -x+1/3, z+1/3'
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
  Y  Y0  9  0.13  0.03  0.2  1.0
  Y  Y1  3  0.0  0.0  0.42  1.0
  Rh  Rh2  9  0.14  0.69  0.91  1.0
  Rh  Rh3  3  0.0  0.0  0.3  1.0

Y Y Y Y Rh Rh Rh Rh
RhY is alpha Po structured and crystallizes in the trigonal R3 space group. The structure is zero-dimensional and consists of three RhY clusters. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a single-bond geometry to one Rh(1) atom. The Y(1)-Rh(1) bond length is 1.17 Å. In the second Y site, Y(2) is bonded in a 2-coordinate geometry to one Rh(1) and two equivalent Rh(2) atoms. The Y(2)-Rh(1) bond length is 1.31 Å. There is one shorter (1.17 Å) and one longer (1.71 Å) Y(2)-Rh(2) bond length. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 4-coordinate geometry to one Y(1) and three equivalent Y(2) atoms. In the second Rh site, Rh(2) is bonded in a 2-coordinate geometry to two equivalent Y(2) atoms.