The compound described by Na8PtO6 crystallizes in the triclinic P1 space group. There are eight inequivalent Na sites. In the first Na site, Na(1) is bonded in a 4-coordinate geometry to one O(2), one O(3), and two equivalent O(5) atoms. In the second Na site, Na(2) is bonded in a 3-coordinate geometry to one O(2), one O(3), and two equivalent O(1) atoms. In the third Na site, Na(3) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(2), one O(4), and one O(6) atom. In the fourth Na site, Na(4) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(2), one O(4), and one O(5) atom. In the fifth Na site, Na(5) is bonded in a distorted rectangular see-saw-like geometry to one O(2), one O(4), one O(5), and one O(6) atom. In the sixth Na site, Na(6) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(2), one O(5), and one O(6) atom. In the seventh Na site, Na(7) is bonded in a 4-coordinate geometry to one O(2), one O(3), and two equivalent O(6) atoms. In the eighth Na site, Na(8) is bonded in a 3-coordinate geometry to one O(2), one O(3), and two equivalent O(4) atoms. Pt(1) is bonded to one O(1), one O(4), one O(5), one O(6), and two equivalent O(3) atoms to form corner-sharing PtO6 octahedra. The corner-sharing octahedral tilt angles are 1°. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Na(3), one Na(4), one Na(6), two equivalent Na(2), and one Pt(1) atom to form ONa5Pt octahedra that share  a cornercorner with one O(4)Na5Pt octahedra,  a cornercorner with one O(5)Na5Pt octahedra,  a cornercorner with one O(6)Na5Pt octahedra, corners with two equivalent O(1)Na5Pt octahedra,  an edgeedge with one O(4)Na5Pt octahedra,  an edgeedge with one O(5)Na5Pt octahedra,  an edgeedge with one O(6)Na5Pt octahedra, and edges with two equivalent O(3)Na4Pt2 octahedra. The corner-sharing octahedral tilt angles range from 1-25°. In the second O site, O(2) is bonded in a 8-coordinate geometry to one Na(1), one Na(2), one Na(3), one Na(4), one Na(5), one Na(6), one Na(7), and one Na(8) atom. In the third O site, O(3) is bonded to one Na(1), one Na(2), one Na(7), one Na(8), and two equivalent Pt(1) atoms to form ONa4Pt2 octahedra that share corners with two equivalent O(3)Na4Pt2 octahedra, edges with two equivalent O(1)Na5Pt octahedra, edges with two equivalent O(4)Na5Pt octahedra, edges with two equivalent O(5)Na5Pt octahedra, and edges with two equivalent O(6)Na5Pt octahedra. The corner-sharing octahedral tilt angles are 1°. In the fourth O site, O(4) is bonded to one Na(3), one Na(4), one Na(5), two equivalent Na(8), and one Pt(1) atom to form ONa5Pt octahedra that share  a cornercorner with one O(1)Na5Pt octahedra,  a cornercorner with one O(5)Na5Pt octahedra,  a cornercorner with one O(6)Na5Pt octahedra, corners with two equivalent O(4)Na5Pt octahedra,  an edgeedge with one O(1)Na5Pt octahedra,  an edgeedge with one O(5)Na5Pt octahedra,  an edgeedge with one O(6)Na5Pt octahedra, and edges with two equivalent O(3)Na4Pt2 octahedra. The corner-sharing octahedral tilt angles range from 0-26°. In the fifth O site, O(5) is bonded to one Na(4), one Na(5), one Na(6), two equivalent Na(1), and one Pt(1) atom to form ONa5Pt octahedra that share  a cornercorner with one O(1)Na5Pt octahedra,  a cornercorner with one O(4)Na5Pt octahedra,  a cornercorner with one O(6)Na5Pt octahedra, corners with two equivalent O(5)Na5Pt octahedra,  an edgeedge with one O(1)Na5Pt octahedra,  an edgeedge with one O(4)Na5Pt octahedra,  an edgeedge with one O(6)Na5Pt octahedra, and edges with two equivalent O(3)Na4Pt2 octahedra. The corner-sharing octahedral tilt angles range from 0-28°. In the sixth O site, O(6) is bonded to one Na(3), one Na(5), one Na(6), two equivalent Na(7), and one Pt(1) atom to form ONa5Pt octahedra that share  a cornercorner with one O(1)Na5Pt octahedra,  a cornercorner with one O(4)Na5Pt octahedra,  a cornercorner with one O(5)Na5Pt octahedra, corners with two equivalent O(6)Na5Pt octahedra,  an edgeedge with one O(1)Na5Pt octahedra,  an edgeedge with one O(4)Na5Pt octahedra,  an edgeedge with one O(5)Na5Pt octahedra, and edges with two equivalent O(3)Na4Pt2 octahedra. The corner-sharing octahedral tilt angles range from 1-27°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na8PtO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.503
_cell_length_b   10.778
_cell_length_c   8.241
_cell_angle_alpha   40.060
_cell_angle_beta   57.472
_cell_angle_gamma   65.716
_symmetry_Int_Tables_number   1
_cell_volume   217.053
_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
  Na  Na0  1  0.293  0.326  0.456  1.0
  Na  Na1  1  0.738  0.225  0.107  1.0
  Na  Na2  1  0.253  0.920  0.369  1.0
  Na  Na3  1  0.464  0.289  0.791  1.0
  Na  Na4  1  0.628  0.711  0.208  1.0
  Na  Na5  1  0.836  0.080  0.630  1.0
  Na  Na6  1  0.401  0.781  0.890  1.0
  Na  Na7  1  0.847  0.667  0.556  1.0
  Pt  Pt8  1  0.077  0.500  0.001  1.0
  O  O9  1  0.170  0.218  0.187  1.0
  O  O10  1  0.227  0.002  0.989  1.0
  O  O11  1  0.571  0.500  0.004  1.0
  O  O12  1  0.356  0.594  0.623  1.0
  O  O13  1  0.796  0.406  0.378  1.0
  O  O14  1  0.982  0.781  0.812  1.0
[/CIF]
.
The compound described by Na8PtO6 crystallizes in the triclinic P1 space group. There are eight inequivalent Na sites. In the first Na site, Na(1) is bonded in a 4-coordinate geometry to one O(2), one O(3), and two equivalent O(5) atoms. In the second Na site, Na(2) is bonded in a 3-coordinate geometry to one O(2), one O(3), and two equivalent O(1) atoms. In the third Na site, Na(3) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(2), one O(4), and one O(6) atom. In the fourth Na site, Na(4) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(2), one O(4), and one O(5) atom. In the fifth Na site, Na(5) is bonded in a distorted rectangular see-saw-like geometry to one O(2), one O(4), one O(5), and one O(6) atom. In the sixth Na site, Na(6) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(2), one O(5), and one O(6) atom. In the seventh Na site, Na(7) is bonded in a 4-coordinate geometry to one O(2), one O(3), and two equivalent O(6) atoms. In the eighth Na site, Na(8) is bonded in a 3-coordinate geometry to one O(2), one O(3), and two equivalent O(4) atoms. Pt(1) is bonded to one O(1), one O(4), one O(5), one O(6), and two equivalent O(3) atoms to form corner-sharing PtO6 octahedra. The corner-sharing octahedral tilt angles are 1°. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Na(3), one Na(4), one Na(6), two equivalent Na(2), and one Pt(1) atom to form ONa5Pt octahedra that share  a cornercorner with one O(4)Na5Pt octahedra,  a cornercorner with one O(5)Na5Pt octahedra,  a cornercorner with one O(6)Na5Pt octahedra, corners with two equivalent O(1)Na5Pt octahedra,  an edgeedge with one O(4)Na5Pt octahedra,  an edgeedge with one O(5)Na5Pt octahedra,  an edgeedge with one O(6)Na5Pt octahedra, and edges with two equivalent O(3)Na4Pt2 octahedra. The corner-sharing octahedral tilt angles range from 1-25°. In the second O site, O(2) is bonded in a 8-coordinate geometry to one Na(1), one Na(2), one Na(3), one Na(4), one Na(5), one Na(6), one Na(7), and one Na(8) atom. In the third O site, O(3) is bonded to one Na(1), one Na(2), one Na(7), one Na(8), and two equivalent Pt(1) atoms to form ONa4Pt2 octahedra that share corners with two equivalent O(3)Na4Pt2 octahedra, edges with two equivalent O(1)Na5Pt octahedra, edges with two equivalent O(4)Na5Pt octahedra, edges with two equivalent O(5)Na5Pt octahedra, and edges with two equivalent O(6)Na5Pt octahedra. The corner-sharing octahedral tilt angles are 1°. In the fourth O site, O(4) is bonded to one Na(3), one Na(4), one Na(5), two equivalent Na(8), and one Pt(1) atom to form ONa5Pt octahedra that share  a cornercorner with one O(1)Na5Pt octahedra,  a cornercorner with one O(5)Na5Pt octahedra,  a cornercorner with one O(6)Na5Pt octahedra, corners with two equivalent O(4)Na5Pt octahedra,  an edgeedge with one O(1)Na5Pt octahedra,  an edgeedge with one O(5)Na5Pt octahedra,  an edgeedge with one O(6)Na5Pt octahedra, and edges with two equivalent O(3)Na4Pt2 octahedra. The corner-sharing octahedral tilt angles range from 0-26°. In the fifth O site, O(5) is bonded to one Na(4), one Na(5), one Na(6), two equivalent Na(1), and one Pt(1) atom to form ONa5Pt octahedra that share  a cornercorner with one O(1)Na5Pt octahedra,  a cornercorner with one O(4)Na5Pt octahedra,  a cornercorner with one O(6)Na5Pt octahedra, corners with two equivalent O(5)Na5Pt octahedra,  an edgeedge with one O(1)Na5Pt octahedra,  an edgeedge with one O(4)Na5Pt octahedra,  an edgeedge with one O(6)Na5Pt octahedra, and edges with two equivalent O(3)Na4Pt2 octahedra. The corner-sharing octahedral tilt angles range from 0-28°. In the sixth O site, O(6) is bonded to one Na(3), one Na(5), one Na(6), two equivalent Na(7), and one Pt(1) atom to form ONa5Pt octahedra that share  a cornercorner with one O(1)Na5Pt octahedra,  a cornercorner with one O(4)Na5Pt octahedra,  a cornercorner with one O(5)Na5Pt octahedra, corners with two equivalent O(6)Na5Pt octahedra,  an edgeedge with one O(1)Na5Pt octahedra,  an edgeedge with one O(4)Na5Pt octahedra,  an edgeedge with one O(5)Na5Pt octahedra, and edges with two equivalent O(3)Na4Pt2 octahedra. The corner-sharing octahedral tilt angles range from 1-27°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na8PtO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.503
_cell_length_b   10.778
_cell_length_c   8.241
_cell_angle_alpha   40.060
_cell_angle_beta   57.472
_cell_angle_gamma   65.716
_symmetry_Int_Tables_number   1
_cell_volume   217.053
_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
  Na  Na0  1  0.293  0.326  0.456  1.0
  Na  Na1  1  0.738  0.225  0.107  1.0
  Na  Na2  1  0.253  0.920  0.369  1.0
  Na  Na3  1  0.464  0.289  0.791  1.0
  Na  Na4  1  0.628  0.711  0.208  1.0
  Na  Na5  1  0.836  0.080  0.630  1.0
  Na  Na6  1  0.401  0.781  0.890  1.0
  Na  Na7  1  0.847  0.667  0.556  1.0
  Pt  Pt8  1  0.077  0.500  0.001  1.0
  O  O9  1  0.170  0.218  0.187  1.0
  O  O10  1  0.227  0.002  0.989  1.0
  O  O11  1  0.571  0.500  0.004  1.0
  O  O12  1  0.356  0.594  0.623  1.0
  O  O13  1  0.796  0.406  0.378  1.0
  O  O14  1  0.982  0.781  0.812  1.0
[/CIF]
.