The crystal structure described by Na2Cd2O3 crystallizes in the monoclinic P2_1/c space group. Na(1) is bonded to two equivalent O(1) and two equivalent O(2) atoms to form distorted NaO4 trigonal pyramids that share corners with six equivalent Na(1)O4 trigonal pyramids, corners with six equivalent Cd(1)O4 trigonal pyramids,  an edgeedge with one Na(1)O4 trigonal pyramid, and edges with two equivalent Cd(1)O4 trigonal pyramids. Cd(1) is bonded to one O(1) and three equivalent O(2) atoms to form distorted CdO4 trigonal pyramids that share corners with five equivalent Cd(1)O4 trigonal pyramids, corners with six equivalent Na(1)O4 trigonal pyramids,  an edgeedge with one Cd(1)O4 trigonal pyramid, and edges with two equivalent Na(1)O4 trigonal pyramids. There are two inequivalent O sites. In the first O site, O(1) is bonded to four equivalent Na(1) and two equivalent Cd(1) atoms to form corner-sharing ONa4Cd2 octahedra. The corner-sharing octahedral tilt angles are 45°. In the second O site, O(2) is bonded in a 5-coordinate geometry to two equivalent Na(1) and three equivalent Cd(1) atoms. is represented by the CIF card [CIF]
data_Na2Cd2O3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.958
_cell_length_b   6.233
_cell_length_c   6.515
_cell_angle_alpha   61.990
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   213.598
_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  0.336  0.124  0.091  1.0
  Na  Na1  1  0.164  0.624  0.091  1.0
  Na  Na2  1  0.836  0.376  0.909  1.0
  Na  Na3  1  0.664  0.876  0.909  1.0
  Cd  Cd4  1  0.626  0.400  0.350  1.0
  Cd  Cd5  1  0.126  0.100  0.650  1.0
  Cd  Cd6  1  0.874  0.900  0.350  1.0
  Cd  Cd7  1  0.374  0.600  0.650  1.0
  O  O8  1  0.500  0.500  0.000  1.0
  O  O9  1  0.000  0.000  0.000  1.0
  O  O10  1  0.962  0.278  0.311  1.0
  O  O11  1  0.462  0.222  0.689  1.0
  O  O12  1  0.538  0.778  0.311  1.0
  O  O13  1  0.038  0.722  0.689  1.0
[/CIF]
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The crystal structure described by Na2Cd2O3 crystallizes in the monoclinic P2_1/c space group. Na(1) is bonded to two equivalent O(1) and two equivalent O(2) atoms to form distorted NaO4 trigonal pyramids that share corners with six equivalent Na(1)O4 trigonal pyramids, corners with six equivalent Cd(1)O4 trigonal pyramids,  an edgeedge with one Na(1)O4 trigonal pyramid, and edges with two equivalent Cd(1)O4 trigonal pyramids. Cd(1) is bonded to one O(1) and three equivalent O(2) atoms to form distorted CdO4 trigonal pyramids that share corners with five equivalent Cd(1)O4 trigonal pyramids, corners with six equivalent Na(1)O4 trigonal pyramids,  an edgeedge with one Cd(1)O4 trigonal pyramid, and edges with two equivalent Na(1)O4 trigonal pyramids. There are two inequivalent O sites. In the first O site, O(1) is bonded to four equivalent Na(1) and two equivalent Cd(1) atoms to form corner-sharing ONa4Cd2 octahedra. The corner-sharing octahedral tilt angles are 45°. In the second O site, O(2) is bonded in a 5-coordinate geometry to two equivalent Na(1) and three equivalent Cd(1) atoms. is represented by the CIF card [CIF]
data_Na2Cd2O3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.958
_cell_length_b   6.233
_cell_length_c   6.515
_cell_angle_alpha   61.990
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   213.598
_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  0.336  0.124  0.091  1.0
  Na  Na1  1  0.164  0.624  0.091  1.0
  Na  Na2  1  0.836  0.376  0.909  1.0
  Na  Na3  1  0.664  0.876  0.909  1.0
  Cd  Cd4  1  0.626  0.400  0.350  1.0
  Cd  Cd5  1  0.126  0.100  0.650  1.0
  Cd  Cd6  1  0.874  0.900  0.350  1.0
  Cd  Cd7  1  0.374  0.600  0.650  1.0
  O  O8  1  0.500  0.500  0.000  1.0
  O  O9  1  0.000  0.000  0.000  1.0
  O  O10  1  0.962  0.278  0.311  1.0
  O  O11  1  0.462  0.222  0.689  1.0
  O  O12  1  0.538  0.778  0.311  1.0
  O  O13  1  0.038  0.722  0.689  1.0
[/CIF]
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