The crystal structure described by NaCd(RhO2)4 crystallizes in the monoclinic P2_1/m space group. Na(1) is bonded in a 8-coordinate geometry to one O(3), one O(4), two equivalent O(1), two equivalent O(5), and two equivalent O(7) atoms. There are four inequivalent Rh sites. In the first Rh site, Rh(1) is bonded to one O(3), two equivalent O(8), and three equivalent O(1) atoms to form a mixture of edge and corner-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(4), two equivalent O(7), and three equivalent O(2) atoms to form a mixture of edge and corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles range from 50-60°. In the third Rh site, Rh(3) is bonded to one O(7), two equivalent O(3), and three equivalent O(6) atoms to form a mixture of edge and corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles range from 50-60°. In the fourth Rh site, Rh(4) is bonded to one O(8), two equivalent O(4), and three equivalent O(5) atoms to form a mixture of edge and corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles range from 50-59°. Cd(1) is bonded in a 8-coordinate geometry to one O(3), one O(4), two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms. There are eight inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Na(1) and three equivalent Rh(1) atoms to form distorted ONa2Rh3 trigonal bipyramids that share corners with two equivalent O(5)Na2Rh3 square pyramids,  a cornercorner with one O(3)NaCdRh3 trigonal bipyramid, corners with two equivalent O(4)NaCdRh3 trigonal bipyramids,  an edgeedge with one O(5)Na2Rh3 square pyramid, edges with two equivalent O(3)NaCdRh3 trigonal bipyramids, and edges with four equivalent O(1)Na2Rh3 trigonal bipyramids. In the second O site, O(2) is bonded to three equivalent Rh(2) and two equivalent Cd(1) atoms to form distorted OCd2Rh3 trigonal bipyramids that share corners with two equivalent O(6)Cd2Rh3 square pyramids,  a cornercorner with one O(4)NaCdRh3 trigonal bipyramid, corners with two equivalent O(3)NaCdRh3 trigonal bipyramids,  an edgeedge with one O(6)Cd2Rh3 square pyramid, edges with two equivalent O(4)NaCdRh3 trigonal bipyramids, and edges with four equivalent O(2)Cd2Rh3 trigonal bipyramids. In the third O site, O(3) is bonded to one Na(1), one Rh(1), two equivalent Rh(3), and one Cd(1) atom to form distorted ONaCdRh3 trigonal bipyramids that share corners with two equivalent O(6)Cd2Rh3 square pyramids, corners with two equivalent O(5)Na2Rh3 square pyramids,  a cornercorner with one O(1)Na2Rh3 trigonal bipyramid, corners with two equivalent O(2)Cd2Rh3 trigonal bipyramids, corners with two equivalent O(3)NaCdRh3 trigonal bipyramids, corners with two equivalent O(4)NaCdRh3 trigonal bipyramids, edges with three equivalent O(6)Cd2Rh3 square pyramids, and edges with two equivalent O(1)Na2Rh3 trigonal bipyramids. In the fourth O site, O(4) is bonded to one Na(1), one Rh(2), two equivalent Rh(4), and one Cd(1) atom to form distorted ONaCdRh3 trigonal bipyramids that share corners with two equivalent O(6)Cd2Rh3 square pyramids, corners with two equivalent O(5)Na2Rh3 square pyramids,  a cornercorner with one O(2)Cd2Rh3 trigonal bipyramid, corners with two equivalent O(1)Na2Rh3 trigonal bipyramids, corners with two equivalent O(3)NaCdRh3 trigonal bipyramids, corners with two equivalent O(4)NaCdRh3 trigonal bipyramids, edges with three equivalent O(5)Na2Rh3 square pyramids, and edges with two equivalent O(2)Cd2Rh3 trigonal bipyramids. In the fifth O site, O(5) is bonded to two equivalent Na(1) and three equivalent Rh(4) atoms to form ONa2Rh3 square pyramids that share corners with two equivalent O(1)Na2Rh3 trigonal bipyramids, corners with two equivalent O(3)NaCdRh3 trigonal bipyramids, corners with two equivalent O(4)NaCdRh3 trigonal bipyramids, edges with four equivalent O(5)Na2Rh3 square pyramids,  an edgeedge with one O(1)Na2Rh3 trigonal bipyramid, and edges with three equivalent O(4)NaCdRh3 trigonal bipyramids. In the sixth O site, O(6) is bonded to three equivalent Rh(3) and two equivalent Cd(1) atoms to form OCd2Rh3 square pyramids that share corners with two equivalent O(2)Cd2Rh3 trigonal bipyramids, corners with two equivalent O(3)NaCdRh3 trigonal bipyramids, corners with two equivalent O(4)NaCdRh3 trigonal bipyramids, edges with four equivalent O(6)Cd2Rh3 square pyramids,  an edgeedge with one O(2)Cd2Rh3 trigonal bipyramid, and edges with three equivalent O(3)NaCdRh3 trigonal bipyramids. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to two equivalent Na(1), one Rh(3), and two equivalent Rh(2) atoms. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Rh(4), two equivalent Rh(1), and two equivalent Cd(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_NaCd(RhO2)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.106
_cell_length_b   9.190
_cell_length_c   10.960
_cell_angle_alpha   89.516
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   312.827
_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
  Na  Na0  1  0.250  0.736  0.841  1.0
  Na  Na1  1  0.750  0.264  0.159  1.0
  Cd  Cd2  1  0.250  0.237  0.662  1.0
  Cd  Cd3  1  0.750  0.763  0.338  1.0
  Rh  Rh4  1  0.250  0.052  0.884  1.0
  Rh  Rh5  1  0.250  0.558  0.617  1.0
  Rh  Rh6  1  0.750  0.948  0.116  1.0
  Rh  Rh7  1  0.750  0.442  0.383  1.0
  Rh  Rh8  1  0.250  0.092  0.399  1.0
  Rh  Rh9  1  0.250  0.588  0.099  1.0
  Rh  Rh10  1  0.750  0.908  0.601  1.0
  Rh  Rh11  1  0.750  0.412  0.901  1.0
  O  O12  1  0.250  0.083  0.068  1.0
  O  O13  1  0.250  0.586  0.430  1.0
  O  O14  1  0.750  0.917  0.932  1.0
  O  O15  1  0.750  0.414  0.570  1.0
  O  O16  1  0.250  0.966  0.709  1.0
  O  O17  1  0.250  0.455  0.786  1.0
  O  O18  1  0.750  0.034  0.291  1.0
  O  O19  1  0.750  0.545  0.214  1.0
  O  O20  1  0.250  0.386  0.024  1.0
  O  O21  1  0.250  0.883  0.472  1.0
  O  O22  1  0.750  0.614  0.976  1.0
  O  O23  1  0.750  0.117  0.528  1.0
  O  O24  1  0.250  0.306  0.338  1.0
  O  O25  1  0.250  0.803  0.164  1.0
  O  O26  1  0.750  0.694  0.662  1.0
  O  O27  1  0.750  0.197  0.836  1.0
[/CIF]
.
The crystal structure described by NaCd(RhO2)4 crystallizes in the monoclinic P2_1/m space group. Na(1) is bonded in a 8-coordinate geometry to one O(3), one O(4), two equivalent O(1), two equivalent O(5), and two equivalent O(7) atoms. There are four inequivalent Rh sites. In the first Rh site, Rh(1) is bonded to one O(3), two equivalent O(8), and three equivalent O(1) atoms to form a mixture of edge and corner-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(4), two equivalent O(7), and three equivalent O(2) atoms to form a mixture of edge and corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles range from 50-60°. In the third Rh site, Rh(3) is bonded to one O(7), two equivalent O(3), and three equivalent O(6) atoms to form a mixture of edge and corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles range from 50-60°. In the fourth Rh site, Rh(4) is bonded to one O(8), two equivalent O(4), and three equivalent O(5) atoms to form a mixture of edge and corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles range from 50-59°. Cd(1) is bonded in a 8-coordinate geometry to one O(3), one O(4), two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms. There are eight inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Na(1) and three equivalent Rh(1) atoms to form distorted ONa2Rh3 trigonal bipyramids that share corners with two equivalent O(5)Na2Rh3 square pyramids,  a cornercorner with one O(3)NaCdRh3 trigonal bipyramid, corners with two equivalent O(4)NaCdRh3 trigonal bipyramids,  an edgeedge with one O(5)Na2Rh3 square pyramid, edges with two equivalent O(3)NaCdRh3 trigonal bipyramids, and edges with four equivalent O(1)Na2Rh3 trigonal bipyramids. In the second O site, O(2) is bonded to three equivalent Rh(2) and two equivalent Cd(1) atoms to form distorted OCd2Rh3 trigonal bipyramids that share corners with two equivalent O(6)Cd2Rh3 square pyramids,  a cornercorner with one O(4)NaCdRh3 trigonal bipyramid, corners with two equivalent O(3)NaCdRh3 trigonal bipyramids,  an edgeedge with one O(6)Cd2Rh3 square pyramid, edges with two equivalent O(4)NaCdRh3 trigonal bipyramids, and edges with four equivalent O(2)Cd2Rh3 trigonal bipyramids. In the third O site, O(3) is bonded to one Na(1), one Rh(1), two equivalent Rh(3), and one Cd(1) atom to form distorted ONaCdRh3 trigonal bipyramids that share corners with two equivalent O(6)Cd2Rh3 square pyramids, corners with two equivalent O(5)Na2Rh3 square pyramids,  a cornercorner with one O(1)Na2Rh3 trigonal bipyramid, corners with two equivalent O(2)Cd2Rh3 trigonal bipyramids, corners with two equivalent O(3)NaCdRh3 trigonal bipyramids, corners with two equivalent O(4)NaCdRh3 trigonal bipyramids, edges with three equivalent O(6)Cd2Rh3 square pyramids, and edges with two equivalent O(1)Na2Rh3 trigonal bipyramids. In the fourth O site, O(4) is bonded to one Na(1), one Rh(2), two equivalent Rh(4), and one Cd(1) atom to form distorted ONaCdRh3 trigonal bipyramids that share corners with two equivalent O(6)Cd2Rh3 square pyramids, corners with two equivalent O(5)Na2Rh3 square pyramids,  a cornercorner with one O(2)Cd2Rh3 trigonal bipyramid, corners with two equivalent O(1)Na2Rh3 trigonal bipyramids, corners with two equivalent O(3)NaCdRh3 trigonal bipyramids, corners with two equivalent O(4)NaCdRh3 trigonal bipyramids, edges with three equivalent O(5)Na2Rh3 square pyramids, and edges with two equivalent O(2)Cd2Rh3 trigonal bipyramids. In the fifth O site, O(5) is bonded to two equivalent Na(1) and three equivalent Rh(4) atoms to form ONa2Rh3 square pyramids that share corners with two equivalent O(1)Na2Rh3 trigonal bipyramids, corners with two equivalent O(3)NaCdRh3 trigonal bipyramids, corners with two equivalent O(4)NaCdRh3 trigonal bipyramids, edges with four equivalent O(5)Na2Rh3 square pyramids,  an edgeedge with one O(1)Na2Rh3 trigonal bipyramid, and edges with three equivalent O(4)NaCdRh3 trigonal bipyramids. In the sixth O site, O(6) is bonded to three equivalent Rh(3) and two equivalent Cd(1) atoms to form OCd2Rh3 square pyramids that share corners with two equivalent O(2)Cd2Rh3 trigonal bipyramids, corners with two equivalent O(3)NaCdRh3 trigonal bipyramids, corners with two equivalent O(4)NaCdRh3 trigonal bipyramids, edges with four equivalent O(6)Cd2Rh3 square pyramids,  an edgeedge with one O(2)Cd2Rh3 trigonal bipyramid, and edges with three equivalent O(3)NaCdRh3 trigonal bipyramids. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to two equivalent Na(1), one Rh(3), and two equivalent Rh(2) atoms. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Rh(4), two equivalent Rh(1), and two equivalent Cd(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_NaCd(RhO2)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.106
_cell_length_b   9.190
_cell_length_c   10.960
_cell_angle_alpha   89.516
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   312.827
_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
  Na  Na0  1  0.250  0.736  0.841  1.0
  Na  Na1  1  0.750  0.264  0.159  1.0
  Cd  Cd2  1  0.250  0.237  0.662  1.0
  Cd  Cd3  1  0.750  0.763  0.338  1.0
  Rh  Rh4  1  0.250  0.052  0.884  1.0
  Rh  Rh5  1  0.250  0.558  0.617  1.0
  Rh  Rh6  1  0.750  0.948  0.116  1.0
  Rh  Rh7  1  0.750  0.442  0.383  1.0
  Rh  Rh8  1  0.250  0.092  0.399  1.0
  Rh  Rh9  1  0.250  0.588  0.099  1.0
  Rh  Rh10  1  0.750  0.908  0.601  1.0
  Rh  Rh11  1  0.750  0.412  0.901  1.0
  O  O12  1  0.250  0.083  0.068  1.0
  O  O13  1  0.250  0.586  0.430  1.0
  O  O14  1  0.750  0.917  0.932  1.0
  O  O15  1  0.750  0.414  0.570  1.0
  O  O16  1  0.250  0.966  0.709  1.0
  O  O17  1  0.250  0.455  0.786  1.0
  O  O18  1  0.750  0.034  0.291  1.0
  O  O19  1  0.750  0.545  0.214  1.0
  O  O20  1  0.250  0.386  0.024  1.0
  O  O21  1  0.250  0.883  0.472  1.0
  O  O22  1  0.750  0.614  0.976  1.0
  O  O23  1  0.750  0.117  0.528  1.0
  O  O24  1  0.250  0.306  0.338  1.0
  O  O25  1  0.250  0.803  0.164  1.0
  O  O26  1  0.750  0.694  0.662  1.0
  O  O27  1  0.750  0.197  0.836  1.0
[/CIF]
.