The material described by Na2Nd2PtO6 crystallizes in the monoclinic C2 space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to two equivalent O(4), two equivalent O(5), and two equivalent O(6) atoms. In the third Na site, Na(3) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(4), one O(5), two equivalent O(1), and two equivalent O(6) atoms. There are three inequivalent Nd sites. In the first Nd site, Nd(1) is bonded in a 8-coordinate geometry to two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms. In the second Nd site, Nd(2) is bonded in a 8-coordinate geometry to one O(1), one O(3), one O(5), one O(6), two equivalent O(2), and two equivalent O(4) atoms. In the third Nd site, Nd(3) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(3), two equivalent O(5), and two equivalent O(6) atoms. Pt(1) is bonded in an octahedral geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Na(1), two equivalent Na(3), one Nd(2), one Nd(3), and one Pt(1) atom to form ONa3Nd2Pt octahedra that share  a cornercorner with one O(1)Na3Nd2Pt octahedra,  a cornercorner with one O(6)Na3Nd2Pt octahedra, corners with two equivalent O(2)Na2Nd3Pt octahedra, corners with three equivalent O(4)Na2Nd3Pt octahedra, corners with five equivalent O(3)Na2Nd3Pt octahedra,  an edgeedge with one O(2)Na2Nd3Pt octahedra,  an edgeedge with one O(4)Na2Nd3Pt octahedra, edges with two equivalent O(6)Na3Nd2Pt octahedra,  a faceface with one O(2)Na2Nd3Pt octahedra,  a faceface with one O(3)Na2Nd3Pt octahedra,  a faceface with one O(1)Na3Nd2Pt octahedra, and  a faceface with one O(6)Na3Nd2Pt octahedra. The corner-sharing octahedral tilt angles range from 4-65°. In the second O site, O(2) is bonded to one Na(1), one Na(3), one Nd(1), two equivalent Nd(2), and one Pt(1) atom to form distorted ONa2Nd3Pt octahedra that share  a cornercorner with one O(4)Na2Nd3Pt octahedra, corners with two equivalent O(3)Na2Nd3Pt octahedra, corners with two equivalent O(1)Na3Nd2Pt octahedra, corners with three equivalent O(6)Na3Nd2Pt octahedra, corners with four equivalent O(2)Na2Nd3Pt octahedra,  an edgeedge with one O(1)Na3Nd2Pt octahedra,  an edgeedge with one O(6)Na3Nd2Pt octahedra, edges with two equivalent O(4)Na2Nd3Pt octahedra,  a faceface with one O(4)Na2Nd3Pt octahedra,  a faceface with one O(1)Na3Nd2Pt octahedra, and faces with two equivalent O(3)Na2Nd3Pt octahedra. The corner-sharing octahedral tilt angles range from 1-56°. In the third O site, O(3) is bonded to one Na(1), one Na(3), one Nd(1), one Nd(2), one Nd(3), and one Pt(1) atom to form distorted ONa2Nd3Pt octahedra that share  a cornercorner with one O(3)Na2Nd3Pt octahedra, corners with two equivalent O(2)Na2Nd3Pt octahedra, corners with three equivalent O(4)Na2Nd3Pt octahedra, corners with three equivalent O(6)Na3Nd2Pt octahedra, corners with five equivalent O(1)Na3Nd2Pt octahedra,  an edgeedge with one O(3)Na2Nd3Pt octahedra,  a faceface with one O(4)Na2Nd3Pt octahedra,  a faceface with one O(1)Na3Nd2Pt octahedra,  a faceface with one O(6)Na3Nd2Pt octahedra, and faces with two equivalent O(2)Na2Nd3Pt octahedra. The corner-sharing octahedral tilt angles range from 20-67°. In the fourth O site, O(4) is bonded to one Na(2), one Na(3), one Nd(1), two equivalent Nd(2), and one Pt(1) atom to form distorted ONa2Nd3Pt octahedra that share  a cornercorner with one O(2)Na2Nd3Pt octahedra,  a cornercorner with one O(4)Na2Nd3Pt octahedra, corners with two equivalent O(6)Na3Nd2Pt octahedra, corners with three equivalent O(3)Na2Nd3Pt octahedra, corners with three equivalent O(1)Na3Nd2Pt octahedra,  an edgeedge with one O(1)Na3Nd2Pt octahedra,  an edgeedge with one O(6)Na3Nd2Pt octahedra, edges with two equivalent O(2)Na2Nd3Pt octahedra,  a faceface with one O(2)Na2Nd3Pt octahedra,  a faceface with one O(3)Na2Nd3Pt octahedra,  a faceface with one O(4)Na2Nd3Pt octahedra, and  a faceface with one O(6)Na3Nd2Pt octahedra. The corner-sharing octahedral tilt angles range from 4-65°. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to one Na(2), one Na(3), one Nd(1), one Nd(2), one Nd(3), and one Pt(1) atom. In the sixth O site, O(6) is bonded to one Na(2), two equivalent Na(3), one Nd(2), one Nd(3), and one Pt(1) atom to form distorted ONa3Nd2Pt octahedra that share  a cornercorner with one O(1)Na3Nd2Pt octahedra, corners with two equivalent O(4)Na2Nd3Pt octahedra, corners with three equivalent O(2)Na2Nd3Pt octahedra, corners with three equivalent O(3)Na2Nd3Pt octahedra, corners with four equivalent O(6)Na3Nd2Pt octahedra,  an edgeedge with one O(2)Na2Nd3Pt octahedra,  an edgeedge with one O(4)Na2Nd3Pt octahedra, edges with two equivalent O(1)Na3Nd2Pt octahedra,  a faceface with one O(3)Na2Nd3Pt octahedra,  a faceface with one O(4)Na2Nd3Pt octahedra, and  a faceface with one O(1)Na3Nd2Pt octahedra. The corner-sharing octahedral tilt angles range from 1-67°. is represented by the CIF file [CIF]
data_Na2Nd2PtO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.635
_cell_length_b   6.635
_cell_length_c   6.680
_cell_angle_alpha   89.020
_cell_angle_beta   89.020
_cell_angle_gamma   89.238
_symmetry_Int_Tables_number   1
_cell_volume   293.985
_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  0.243  0.757  0.500  1.0
  Na  Na1  1  0.754  0.246  0.000  1.0
  Na  Na2  1  0.894  0.753  0.140  1.0
  Na  Na3  1  0.247  0.106  0.860  1.0
  Nd  Nd4  1  0.611  0.389  0.500  1.0
  Nd  Nd5  1  0.757  0.887  0.648  1.0
  Nd  Nd6  1  0.377  0.623  0.000  1.0
  Nd  Nd7  1  0.113  0.243  0.352  1.0
  Pt  Pt8  1  0.507  0.001  0.245  1.0
  Pt  Pt9  1  0.999  0.493  0.755  1.0
  O  O10  1  0.216  0.926  0.193  1.0
  O  O11  1  0.434  0.063  0.535  1.0
  O  O12  1  0.553  0.704  0.325  1.0
  O  O13  1  0.914  0.204  0.683  1.0
  O  O14  1  0.695  0.552  0.813  1.0
  O  O15  1  0.062  0.427  0.053  1.0
  O  O16  1  0.796  0.086  0.317  1.0
  O  O17  1  0.573  0.938  0.947  1.0
  O  O18  1  0.448  0.305  0.187  1.0
  O  O19  1  0.074  0.784  0.807  1.0
  O  O20  1  0.296  0.447  0.675  1.0
  O  O21  1  0.937  0.566  0.465  1.0
[/CIF]
.
The material described by Na2Nd2PtO6 crystallizes in the monoclinic C2 space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to two equivalent O(4), two equivalent O(5), and two equivalent O(6) atoms. In the third Na site, Na(3) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(4), one O(5), two equivalent O(1), and two equivalent O(6) atoms. There are three inequivalent Nd sites. In the first Nd site, Nd(1) is bonded in a 8-coordinate geometry to two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms. In the second Nd site, Nd(2) is bonded in a 8-coordinate geometry to one O(1), one O(3), one O(5), one O(6), two equivalent O(2), and two equivalent O(4) atoms. In the third Nd site, Nd(3) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(3), two equivalent O(5), and two equivalent O(6) atoms. Pt(1) is bonded in an octahedral geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Na(1), two equivalent Na(3), one Nd(2), one Nd(3), and one Pt(1) atom to form ONa3Nd2Pt octahedra that share  a cornercorner with one O(1)Na3Nd2Pt octahedra,  a cornercorner with one O(6)Na3Nd2Pt octahedra, corners with two equivalent O(2)Na2Nd3Pt octahedra, corners with three equivalent O(4)Na2Nd3Pt octahedra, corners with five equivalent O(3)Na2Nd3Pt octahedra,  an edgeedge with one O(2)Na2Nd3Pt octahedra,  an edgeedge with one O(4)Na2Nd3Pt octahedra, edges with two equivalent O(6)Na3Nd2Pt octahedra,  a faceface with one O(2)Na2Nd3Pt octahedra,  a faceface with one O(3)Na2Nd3Pt octahedra,  a faceface with one O(1)Na3Nd2Pt octahedra, and  a faceface with one O(6)Na3Nd2Pt octahedra. The corner-sharing octahedral tilt angles range from 4-65°. In the second O site, O(2) is bonded to one Na(1), one Na(3), one Nd(1), two equivalent Nd(2), and one Pt(1) atom to form distorted ONa2Nd3Pt octahedra that share  a cornercorner with one O(4)Na2Nd3Pt octahedra, corners with two equivalent O(3)Na2Nd3Pt octahedra, corners with two equivalent O(1)Na3Nd2Pt octahedra, corners with three equivalent O(6)Na3Nd2Pt octahedra, corners with four equivalent O(2)Na2Nd3Pt octahedra,  an edgeedge with one O(1)Na3Nd2Pt octahedra,  an edgeedge with one O(6)Na3Nd2Pt octahedra, edges with two equivalent O(4)Na2Nd3Pt octahedra,  a faceface with one O(4)Na2Nd3Pt octahedra,  a faceface with one O(1)Na3Nd2Pt octahedra, and faces with two equivalent O(3)Na2Nd3Pt octahedra. The corner-sharing octahedral tilt angles range from 1-56°. In the third O site, O(3) is bonded to one Na(1), one Na(3), one Nd(1), one Nd(2), one Nd(3), and one Pt(1) atom to form distorted ONa2Nd3Pt octahedra that share  a cornercorner with one O(3)Na2Nd3Pt octahedra, corners with two equivalent O(2)Na2Nd3Pt octahedra, corners with three equivalent O(4)Na2Nd3Pt octahedra, corners with three equivalent O(6)Na3Nd2Pt octahedra, corners with five equivalent O(1)Na3Nd2Pt octahedra,  an edgeedge with one O(3)Na2Nd3Pt octahedra,  a faceface with one O(4)Na2Nd3Pt octahedra,  a faceface with one O(1)Na3Nd2Pt octahedra,  a faceface with one O(6)Na3Nd2Pt octahedra, and faces with two equivalent O(2)Na2Nd3Pt octahedra. The corner-sharing octahedral tilt angles range from 20-67°. In the fourth O site, O(4) is bonded to one Na(2), one Na(3), one Nd(1), two equivalent Nd(2), and one Pt(1) atom to form distorted ONa2Nd3Pt octahedra that share  a cornercorner with one O(2)Na2Nd3Pt octahedra,  a cornercorner with one O(4)Na2Nd3Pt octahedra, corners with two equivalent O(6)Na3Nd2Pt octahedra, corners with three equivalent O(3)Na2Nd3Pt octahedra, corners with three equivalent O(1)Na3Nd2Pt octahedra,  an edgeedge with one O(1)Na3Nd2Pt octahedra,  an edgeedge with one O(6)Na3Nd2Pt octahedra, edges with two equivalent O(2)Na2Nd3Pt octahedra,  a faceface with one O(2)Na2Nd3Pt octahedra,  a faceface with one O(3)Na2Nd3Pt octahedra,  a faceface with one O(4)Na2Nd3Pt octahedra, and  a faceface with one O(6)Na3Nd2Pt octahedra. The corner-sharing octahedral tilt angles range from 4-65°. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to one Na(2), one Na(3), one Nd(1), one Nd(2), one Nd(3), and one Pt(1) atom. In the sixth O site, O(6) is bonded to one Na(2), two equivalent Na(3), one Nd(2), one Nd(3), and one Pt(1) atom to form distorted ONa3Nd2Pt octahedra that share  a cornercorner with one O(1)Na3Nd2Pt octahedra, corners with two equivalent O(4)Na2Nd3Pt octahedra, corners with three equivalent O(2)Na2Nd3Pt octahedra, corners with three equivalent O(3)Na2Nd3Pt octahedra, corners with four equivalent O(6)Na3Nd2Pt octahedra,  an edgeedge with one O(2)Na2Nd3Pt octahedra,  an edgeedge with one O(4)Na2Nd3Pt octahedra, edges with two equivalent O(1)Na3Nd2Pt octahedra,  a faceface with one O(3)Na2Nd3Pt octahedra,  a faceface with one O(4)Na2Nd3Pt octahedra, and  a faceface with one O(1)Na3Nd2Pt octahedra. The corner-sharing octahedral tilt angles range from 1-67°. is represented by the CIF file [CIF]
data_Na2Nd2PtO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.635
_cell_length_b   6.635
_cell_length_c   6.680
_cell_angle_alpha   89.020
_cell_angle_beta   89.020
_cell_angle_gamma   89.238
_symmetry_Int_Tables_number   1
_cell_volume   293.985
_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  0.243  0.757  0.500  1.0
  Na  Na1  1  0.754  0.246  0.000  1.0
  Na  Na2  1  0.894  0.753  0.140  1.0
  Na  Na3  1  0.247  0.106  0.860  1.0
  Nd  Nd4  1  0.611  0.389  0.500  1.0
  Nd  Nd5  1  0.757  0.887  0.648  1.0
  Nd  Nd6  1  0.377  0.623  0.000  1.0
  Nd  Nd7  1  0.113  0.243  0.352  1.0
  Pt  Pt8  1  0.507  0.001  0.245  1.0
  Pt  Pt9  1  0.999  0.493  0.755  1.0
  O  O10  1  0.216  0.926  0.193  1.0
  O  O11  1  0.434  0.063  0.535  1.0
  O  O12  1  0.553  0.704  0.325  1.0
  O  O13  1  0.914  0.204  0.683  1.0
  O  O14  1  0.695  0.552  0.813  1.0
  O  O15  1  0.062  0.427  0.053  1.0
  O  O16  1  0.796  0.086  0.317  1.0
  O  O17  1  0.573  0.938  0.947  1.0
  O  O18  1  0.448  0.305  0.187  1.0
  O  O19  1  0.074  0.784  0.807  1.0
  O  O20  1  0.296  0.447  0.675  1.0
  O  O21  1  0.937  0.566  0.465  1.0
[/CIF]
.