The structure described by Re2Rh2O5 crystallizes in the tetragonal P4/mmm space group. Re(1) is bonded in a 4-coordinate geometry to one O(2) and four equivalent O(1) atoms. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 8-coordinate geometry to eight equivalent O(1) atoms. In the second Rh site, Rh(2) is bonded to four equivalent O(2) and eight equivalent O(1) atoms to form a mixture of face and corner-sharing RhO12 cuboctahedra. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to two equivalent Re(1), two equivalent Rh(1), and two equivalent Rh(2) atoms. In the second O site, O(2) is bonded to two equivalent Re(1) and four equivalent Rh(2) atoms to form a mixture of edge and corner-sharing ORe2Rh4 octahedra. The corner-sharing octahedra are not tilted. is represented by the CIF file [CIF]
data_Re2Rh2O5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.667
_cell_length_b   3.667
_cell_length_c   7.675
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   103.220
_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  Re0  1  0.500  0.500  0.165  1.0
  Re  Re1  1  0.500  0.500  0.835  1.0
  Rh  Rh2  1  0.000  0.000  0.000  1.0
  Rh  Rh3  1  0.000  0.000  0.500  1.0
  O  O4  1  0.500  0.000  0.251  1.0
  O  O5  1  0.500  0.000  0.749  1.0
  O  O6  1  0.000  0.500  0.251  1.0
  O  O7  1  0.000  0.500  0.749  1.0
  O  O8  1  0.500  0.500  0.500  1.0
[/CIF]
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The structure described by Re2Rh2O5 crystallizes in the tetragonal P4/mmm space group. Re(1) is bonded in a 4-coordinate geometry to one O(2) and four equivalent O(1) atoms. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 8-coordinate geometry to eight equivalent O(1) atoms. In the second Rh site, Rh(2) is bonded to four equivalent O(2) and eight equivalent O(1) atoms to form a mixture of face and corner-sharing RhO12 cuboctahedra. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to two equivalent Re(1), two equivalent Rh(1), and two equivalent Rh(2) atoms. In the second O site, O(2) is bonded to two equivalent Re(1) and four equivalent Rh(2) atoms to form a mixture of edge and corner-sharing ORe2Rh4 octahedra. The corner-sharing octahedra are not tilted. is represented by the CIF file [CIF]
data_Re2Rh2O5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.667
_cell_length_b   3.667
_cell_length_c   7.675
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   103.220
_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  Re0  1  0.500  0.500  0.165  1.0
  Re  Re1  1  0.500  0.500  0.835  1.0
  Rh  Rh2  1  0.000  0.000  0.000  1.0
  Rh  Rh3  1  0.000  0.000  0.500  1.0
  O  O4  1  0.500  0.000  0.251  1.0
  O  O5  1  0.500  0.000  0.749  1.0
  O  O6  1  0.000  0.500  0.251  1.0
  O  O7  1  0.000  0.500  0.749  1.0
  O  O8  1  0.500  0.500  0.500  1.0
[/CIF]
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