The compound described by NaRh2O4 crystallizes in the orthorhombic Pnma space group. Na(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded to one O(1), two equivalent O(3), and three equivalent O(2) atoms to form a mixture of corner and edge-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles range from 50-59°. In the second Rh site, Rh(2) is bonded to one O(3), two equivalent O(1), and three equivalent O(4) atoms to form a mixture of corner and edge-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles range from 50-59°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to two equivalent Na(1), one Rh(1), and two equivalent Rh(2) atoms. In the second O site, O(2) is bonded to two equivalent Na(1) and three equivalent Rh(1) atoms to form a mixture of corner and edge-sharing ONa2Rh3 square pyramids. In the third O site, O(3) is bonded to two equivalent Na(1), one Rh(2), and two equivalent Rh(1) atoms to form a mixture of distorted corner and edge-sharing ONa2Rh3 trigonal bipyramids. In the fourth O site, O(4) is bonded to two equivalent Na(1) and three equivalent Rh(2) atoms to form a mixture of distorted corner and edge-sharing ONa2Rh3 trigonal bipyramids. is represented by the CIF file [CIF]
data_Na(RhO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.056
_cell_length_b   8.987
_cell_length_c   10.674
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   293.134
_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
  Na  Na0  1  0.750  0.738  0.844  1.0
  Na  Na1  1  0.250  0.262  0.156  1.0
  Na  Na2  1  0.750  0.238  0.656  1.0
  Na  Na3  1  0.250  0.762  0.344  1.0
  Rh  Rh4  1  0.750  0.087  0.397  1.0
  Rh  Rh5  1  0.250  0.913  0.603  1.0
  Rh  Rh6  1  0.750  0.587  0.103  1.0
  Rh  Rh7  1  0.250  0.413  0.897  1.0
  Rh  Rh8  1  0.750  0.056  0.883  1.0
  Rh  Rh9  1  0.250  0.944  0.117  1.0
  Rh  Rh10  1  0.750  0.556  0.617  1.0
  Rh  Rh11  1  0.250  0.444  0.383  1.0
  O  O12  1  0.750  0.303  0.337  1.0
  O  O13  1  0.250  0.697  0.663  1.0
  O  O14  1  0.750  0.803  0.163  1.0
  O  O15  1  0.250  0.197  0.837  1.0
  O  O16  1  0.750  0.383  0.021  1.0
  O  O17  1  0.250  0.617  0.979  1.0
  O  O18  1  0.750  0.883  0.479  1.0
  O  O19  1  0.250  0.117  0.521  1.0
  O  O20  1  0.750  0.968  0.712  1.0
  O  O21  1  0.250  0.032  0.288  1.0
  O  O22  1  0.750  0.468  0.788  1.0
  O  O23  1  0.250  0.532  0.212  1.0
  O  O24  1  0.750  0.083  0.071  1.0
  O  O25  1  0.250  0.917  0.929  1.0
  O  O26  1  0.750  0.583  0.429  1.0
  O  O27  1  0.250  0.417  0.571  1.0
[/CIF]
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The compound described by NaRh2O4 crystallizes in the orthorhombic Pnma space group. Na(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded to one O(1), two equivalent O(3), and three equivalent O(2) atoms to form a mixture of corner and edge-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles range from 50-59°. In the second Rh site, Rh(2) is bonded to one O(3), two equivalent O(1), and three equivalent O(4) atoms to form a mixture of corner and edge-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles range from 50-59°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to two equivalent Na(1), one Rh(1), and two equivalent Rh(2) atoms. In the second O site, O(2) is bonded to two equivalent Na(1) and three equivalent Rh(1) atoms to form a mixture of corner and edge-sharing ONa2Rh3 square pyramids. In the third O site, O(3) is bonded to two equivalent Na(1), one Rh(2), and two equivalent Rh(1) atoms to form a mixture of distorted corner and edge-sharing ONa2Rh3 trigonal bipyramids. In the fourth O site, O(4) is bonded to two equivalent Na(1) and three equivalent Rh(2) atoms to form a mixture of distorted corner and edge-sharing ONa2Rh3 trigonal bipyramids. is represented by the CIF file [CIF]
data_Na(RhO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.056
_cell_length_b   8.987
_cell_length_c   10.674
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   293.134
_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
  Na  Na0  1  0.750  0.738  0.844  1.0
  Na  Na1  1  0.250  0.262  0.156  1.0
  Na  Na2  1  0.750  0.238  0.656  1.0
  Na  Na3  1  0.250  0.762  0.344  1.0
  Rh  Rh4  1  0.750  0.087  0.397  1.0
  Rh  Rh5  1  0.250  0.913  0.603  1.0
  Rh  Rh6  1  0.750  0.587  0.103  1.0
  Rh  Rh7  1  0.250  0.413  0.897  1.0
  Rh  Rh8  1  0.750  0.056  0.883  1.0
  Rh  Rh9  1  0.250  0.944  0.117  1.0
  Rh  Rh10  1  0.750  0.556  0.617  1.0
  Rh  Rh11  1  0.250  0.444  0.383  1.0
  O  O12  1  0.750  0.303  0.337  1.0
  O  O13  1  0.250  0.697  0.663  1.0
  O  O14  1  0.750  0.803  0.163  1.0
  O  O15  1  0.250  0.197  0.837  1.0
  O  O16  1  0.750  0.383  0.021  1.0
  O  O17  1  0.250  0.617  0.979  1.0
  O  O18  1  0.750  0.883  0.479  1.0
  O  O19  1  0.250  0.117  0.521  1.0
  O  O20  1  0.750  0.968  0.712  1.0
  O  O21  1  0.250  0.032  0.288  1.0
  O  O22  1  0.750  0.468  0.788  1.0
  O  O23  1  0.250  0.532  0.212  1.0
  O  O24  1  0.750  0.083  0.071  1.0
  O  O25  1  0.250  0.917  0.929  1.0
  O  O26  1  0.750  0.583  0.429  1.0
  O  O27  1  0.250  0.417  0.571  1.0
[/CIF]
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