The crystal structure described by Na(WO3)8 crystallizes in the monoclinic P2_1 space group. Na(1) is bonded to one O(1), one O(10), one O(11), one O(14), one O(15), one O(17), one O(19), one O(20), one O(23), one O(3), one O(5), and one O(7) atom to form NaO12 cuboctahedra that share  a faceface with one W(1)O6 octahedra,  a faceface with one W(2)O6 octahedra,  a faceface with one W(3)O6 octahedra,  a faceface with one W(4)O6 octahedra,  a faceface with one W(5)O6 octahedra,  a faceface with one W(6)O6 octahedra,  a faceface with one W(7)O6 octahedra, and  a faceface with one W(8)O6 octahedra. There are eight inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(2), one O(5), one O(6), one O(7), and one O(8) atom to form distorted WO6 octahedra that share corners with two equivalent W(2)O6 octahedra, corners with two equivalent W(3)O6 octahedra, corners with two equivalent W(7)O6 octahedra, and  a faceface with one Na(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-13°. In the second W site, W(2) is bonded to one O(1), one O(10), one O(2), one O(3), one O(4), and one O(9) atom to form distorted WO6 octahedra that share corners with two equivalent W(1)O6 octahedra, corners with two equivalent W(4)O6 octahedra, corners with two equivalent W(8)O6 octahedra, and  a faceface with one Na(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-13°. In the third W site, W(3) is bonded to one O(17), one O(18), one O(20), one O(21), one O(7), and one O(8) atom to form distorted WO6 octahedra that share corners with two equivalent W(1)O6 octahedra, corners with two equivalent W(4)O6 octahedra, corners with two equivalent W(5)O6 octahedra, and  a faceface with one Na(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-13°. In the fourth W site, W(4) is bonded to one O(10), one O(15), one O(16), one O(20), one O(21), and one O(9) atom to form distorted WO6 octahedra that share corners with two equivalent W(2)O6 octahedra, corners with two equivalent W(3)O6 octahedra, corners with two equivalent W(6)O6 octahedra, and  a faceface with one Na(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-13°. In the fifth W site, W(5) is bonded to one O(11), one O(12), one O(17), one O(18), one O(19), and one O(22) atom to form distorted WO6 octahedra that share corners with two equivalent W(3)O6 octahedra, corners with two equivalent W(6)O6 octahedra, corners with two equivalent W(7)O6 octahedra, and  a faceface with one Na(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-13°. In the sixth W site, W(6) is bonded to one O(13), one O(14), one O(15), one O(16), one O(19), and one O(22) atom to form distorted WO6 octahedra that share corners with two equivalent W(4)O6 octahedra, corners with two equivalent W(5)O6 octahedra, corners with two equivalent W(8)O6 octahedra, and  a faceface with one Na(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-13°. In the seventh W site, W(7) is bonded to one O(11), one O(12), one O(23), one O(24), one O(5), and one O(6) atom to form distorted WO6 octahedra that share corners with two equivalent W(1)O6 octahedra, corners with two equivalent W(5)O6 octahedra, corners with two equivalent W(8)O6 octahedra, and  a faceface with one Na(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-13°. In the eighth W site, W(8) is bonded to one O(13), one O(14), one O(23), one O(24), one O(3), and one O(4) atom to form distorted WO6 octahedra that share corners with two equivalent W(2)O6 octahedra, corners with two equivalent W(6)O6 octahedra, corners with two equivalent W(7)O6 octahedra, and  a faceface with one Na(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-13°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one Na(1), one W(1), and one W(2) atom. In the second O site, O(2) is bonded in a linear geometry to one W(1) and one W(2) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Na(1), one W(2), and one W(8) atom. In the fourth O site, O(4) is bonded in a linear geometry to one W(2) and one W(8) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Na(1), one W(1), and one W(7) atom. In the sixth O site, O(6) is bonded in a linear geometry to one W(1) and one W(7) atom. In the seventh O site, O(7) is bonded in a distorted linear geometry to one Na(1), one W(1), and one W(3) atom. In the eighth O site, O(8) is bonded in a linear geometry to one W(1) and one W(3) atom. In the ninth O site, O(9) is bonded in a linear geometry to one W(2) and one W(4) atom. In the tenth O site, O(10) is bonded in a distorted T-shaped geometry to one Na(1), one W(2), and one W(4) atom. In the eleventh O site, O(11) is bonded in a distorted linear geometry to one Na(1), one W(5), and one W(7) atom. In the twelfth O site, O(12) is bonded in a linear geometry to one W(5) and one W(7) atom. In the thirteenth O site, O(13) is bonded in a linear geometry to one W(6) and one W(8) atom. In the fourteenth O site, O(14) is bonded in a distorted T-shaped geometry to one Na(1), one W(6), and one W(8) atom. In the fifteenth O site, O(15) is bonded in a distorted linear geometry to one Na(1), one W(4), and one W(6) atom. In the sixteenth O site, O(16) is bonded in a linear geometry to one W(4) and one W(6) atom. In the seventeenth O site, O(17) is bonded in a distorted T-shaped geometry to one Na(1), one W(3), and one W(5) atom. In the eighteenth O site, O(18) is bonded in a linear geometry to one W(3) and one W(5) atom. In the nineteenth O site, O(19) is bonded in a distorted T-shaped geometry to one Na(1), one W(5), and one W(6) atom. In the twentieth O site, O(20) is bonded in a distorted T-shaped geometry to one Na(1), one W(3), and one W(4) atom. In the twenty-first O site, O(21) is bonded in a linear geometry to one W(3) and one W(4) atom. In the twenty-second O site, O(22) is bonded in a linear geometry to one W(5) and one W(6) atom. In the twenty-third O site, O(23) is bonded in a distorted T-shaped geometry to one Na(1), one W(7), and one W(8) atom. In the twenty-fourth O site, O(24) is bonded in a linear geometry to one W(7) and one W(8) atom. is represented by the CIF file [CIF]
data_Na(WO3)8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.576
_cell_length_b   7.577
_cell_length_c   9.638
_cell_angle_alpha   113.145
_cell_angle_beta   113.143
_cell_angle_gamma   89.999
_symmetry_Int_Tables_number   1
_cell_volume   459.910
_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  0.268  0.268  0.036  1.0
  O  O1  1  0.020  0.020  0.034  1.0
  O  O2  1  0.263  0.265  0.531  1.0
  O  O3  1  0.514  0.514  0.034  1.0
  O  O4  1  0.768  0.766  0.531  1.0
  O  O5  1  0.417  0.142  0.786  1.0
  O  O6  1  0.918  0.645  0.786  1.0
  O  O7  1  0.169  0.390  0.283  1.0
  O  O8  1  0.668  0.895  0.285  1.0
  O  O9  1  0.392  0.119  0.286  1.0
  O  O10  1  0.894  0.618  0.285  1.0
  O  O11  1  0.641  0.420  0.787  1.0
  O  O12  1  0.145  0.923  0.789  1.0
  O  O13  1  0.394  0.667  0.286  1.0
  O  O14  1  0.891  0.167  0.285  1.0
  O  O15  1  0.646  0.867  0.787  1.0
  O  O16  1  0.143  0.366  0.789  1.0
  O  O17  1  0.868  0.144  0.786  1.0
  O  O18  1  0.368  0.642  0.786  1.0
  O  O19  1  0.614  0.392  0.283  1.0
  O  O20  1  0.117  0.890  0.285  1.0
  O  O21  1  0.516  0.022  0.038  1.0
  O  O22  1  0.770  0.273  0.541  1.0
  O  O23  1  0.022  0.516  0.038  1.0
  O  O24  1  0.271  0.768  0.541  1.0
  W  W25  1  0.122  0.122  0.255  1.0
  W  W26  1  0.634  0.634  0.255  1.0
  W  W27  1  0.372  0.372  0.752  1.0
  W  W28  1  0.879  0.880  0.752  1.0
  W  W29  1  0.656  0.163  0.320  1.0
  W  W30  1  0.902  0.414  0.816  1.0
  W  W31  1  0.164  0.656  0.320  1.0
  W  W32  1  0.414  0.902  0.816  1.0
[/CIF]
.
The crystal structure described by Na(WO3)8 crystallizes in the monoclinic P2_1 space group. Na(1) is bonded to one O(1), one O(10), one O(11), one O(14), one O(15), one O(17), one O(19), one O(20), one O(23), one O(3), one O(5), and one O(7) atom to form NaO12 cuboctahedra that share  a faceface with one W(1)O6 octahedra,  a faceface with one W(2)O6 octahedra,  a faceface with one W(3)O6 octahedra,  a faceface with one W(4)O6 octahedra,  a faceface with one W(5)O6 octahedra,  a faceface with one W(6)O6 octahedra,  a faceface with one W(7)O6 octahedra, and  a faceface with one W(8)O6 octahedra. There are eight inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(2), one O(5), one O(6), one O(7), and one O(8) atom to form distorted WO6 octahedra that share corners with two equivalent W(2)O6 octahedra, corners with two equivalent W(3)O6 octahedra, corners with two equivalent W(7)O6 octahedra, and  a faceface with one Na(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-13°. In the second W site, W(2) is bonded to one O(1), one O(10), one O(2), one O(3), one O(4), and one O(9) atom to form distorted WO6 octahedra that share corners with two equivalent W(1)O6 octahedra, corners with two equivalent W(4)O6 octahedra, corners with two equivalent W(8)O6 octahedra, and  a faceface with one Na(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-13°. In the third W site, W(3) is bonded to one O(17), one O(18), one O(20), one O(21), one O(7), and one O(8) atom to form distorted WO6 octahedra that share corners with two equivalent W(1)O6 octahedra, corners with two equivalent W(4)O6 octahedra, corners with two equivalent W(5)O6 octahedra, and  a faceface with one Na(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-13°. In the fourth W site, W(4) is bonded to one O(10), one O(15), one O(16), one O(20), one O(21), and one O(9) atom to form distorted WO6 octahedra that share corners with two equivalent W(2)O6 octahedra, corners with two equivalent W(3)O6 octahedra, corners with two equivalent W(6)O6 octahedra, and  a faceface with one Na(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-13°. In the fifth W site, W(5) is bonded to one O(11), one O(12), one O(17), one O(18), one O(19), and one O(22) atom to form distorted WO6 octahedra that share corners with two equivalent W(3)O6 octahedra, corners with two equivalent W(6)O6 octahedra, corners with two equivalent W(7)O6 octahedra, and  a faceface with one Na(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-13°. In the sixth W site, W(6) is bonded to one O(13), one O(14), one O(15), one O(16), one O(19), and one O(22) atom to form distorted WO6 octahedra that share corners with two equivalent W(4)O6 octahedra, corners with two equivalent W(5)O6 octahedra, corners with two equivalent W(8)O6 octahedra, and  a faceface with one Na(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-13°. In the seventh W site, W(7) is bonded to one O(11), one O(12), one O(23), one O(24), one O(5), and one O(6) atom to form distorted WO6 octahedra that share corners with two equivalent W(1)O6 octahedra, corners with two equivalent W(5)O6 octahedra, corners with two equivalent W(8)O6 octahedra, and  a faceface with one Na(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-13°. In the eighth W site, W(8) is bonded to one O(13), one O(14), one O(23), one O(24), one O(3), and one O(4) atom to form distorted WO6 octahedra that share corners with two equivalent W(2)O6 octahedra, corners with two equivalent W(6)O6 octahedra, corners with two equivalent W(7)O6 octahedra, and  a faceface with one Na(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-13°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one Na(1), one W(1), and one W(2) atom. In the second O site, O(2) is bonded in a linear geometry to one W(1) and one W(2) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Na(1), one W(2), and one W(8) atom. In the fourth O site, O(4) is bonded in a linear geometry to one W(2) and one W(8) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Na(1), one W(1), and one W(7) atom. In the sixth O site, O(6) is bonded in a linear geometry to one W(1) and one W(7) atom. In the seventh O site, O(7) is bonded in a distorted linear geometry to one Na(1), one W(1), and one W(3) atom. In the eighth O site, O(8) is bonded in a linear geometry to one W(1) and one W(3) atom. In the ninth O site, O(9) is bonded in a linear geometry to one W(2) and one W(4) atom. In the tenth O site, O(10) is bonded in a distorted T-shaped geometry to one Na(1), one W(2), and one W(4) atom. In the eleventh O site, O(11) is bonded in a distorted linear geometry to one Na(1), one W(5), and one W(7) atom. In the twelfth O site, O(12) is bonded in a linear geometry to one W(5) and one W(7) atom. In the thirteenth O site, O(13) is bonded in a linear geometry to one W(6) and one W(8) atom. In the fourteenth O site, O(14) is bonded in a distorted T-shaped geometry to one Na(1), one W(6), and one W(8) atom. In the fifteenth O site, O(15) is bonded in a distorted linear geometry to one Na(1), one W(4), and one W(6) atom. In the sixteenth O site, O(16) is bonded in a linear geometry to one W(4) and one W(6) atom. In the seventeenth O site, O(17) is bonded in a distorted T-shaped geometry to one Na(1), one W(3), and one W(5) atom. In the eighteenth O site, O(18) is bonded in a linear geometry to one W(3) and one W(5) atom. In the nineteenth O site, O(19) is bonded in a distorted T-shaped geometry to one Na(1), one W(5), and one W(6) atom. In the twentieth O site, O(20) is bonded in a distorted T-shaped geometry to one Na(1), one W(3), and one W(4) atom. In the twenty-first O site, O(21) is bonded in a linear geometry to one W(3) and one W(4) atom. In the twenty-second O site, O(22) is bonded in a linear geometry to one W(5) and one W(6) atom. In the twenty-third O site, O(23) is bonded in a distorted T-shaped geometry to one Na(1), one W(7), and one W(8) atom. In the twenty-fourth O site, O(24) is bonded in a linear geometry to one W(7) and one W(8) atom. is represented by the CIF file [CIF]
data_Na(WO3)8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.576
_cell_length_b   7.577
_cell_length_c   9.638
_cell_angle_alpha   113.145
_cell_angle_beta   113.143
_cell_angle_gamma   89.999
_symmetry_Int_Tables_number   1
_cell_volume   459.910
_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  0.268  0.268  0.036  1.0
  O  O1  1  0.020  0.020  0.034  1.0
  O  O2  1  0.263  0.265  0.531  1.0
  O  O3  1  0.514  0.514  0.034  1.0
  O  O4  1  0.768  0.766  0.531  1.0
  O  O5  1  0.417  0.142  0.786  1.0
  O  O6  1  0.918  0.645  0.786  1.0
  O  O7  1  0.169  0.390  0.283  1.0
  O  O8  1  0.668  0.895  0.285  1.0
  O  O9  1  0.392  0.119  0.286  1.0
  O  O10  1  0.894  0.618  0.285  1.0
  O  O11  1  0.641  0.420  0.787  1.0
  O  O12  1  0.145  0.923  0.789  1.0
  O  O13  1  0.394  0.667  0.286  1.0
  O  O14  1  0.891  0.167  0.285  1.0
  O  O15  1  0.646  0.867  0.787  1.0
  O  O16  1  0.143  0.366  0.789  1.0
  O  O17  1  0.868  0.144  0.786  1.0
  O  O18  1  0.368  0.642  0.786  1.0
  O  O19  1  0.614  0.392  0.283  1.0
  O  O20  1  0.117  0.890  0.285  1.0
  O  O21  1  0.516  0.022  0.038  1.0
  O  O22  1  0.770  0.273  0.541  1.0
  O  O23  1  0.022  0.516  0.038  1.0
  O  O24  1  0.271  0.768  0.541  1.0
  W  W25  1  0.122  0.122  0.255  1.0
  W  W26  1  0.634  0.634  0.255  1.0
  W  W27  1  0.372  0.372  0.752  1.0
  W  W28  1  0.879  0.880  0.752  1.0
  W  W29  1  0.656  0.163  0.320  1.0
  W  W30  1  0.902  0.414  0.816  1.0
  W  W31  1  0.164  0.656  0.320  1.0
  W  W32  1  0.414  0.902  0.816  1.0
[/CIF]
.