The material described by K5Na3Nb6(WO12)2 is (Cubic) Perovskite-derived structured and crystallizes in the orthorhombic Amm2 space group. There are four inequivalent K sites. In the first K site, K(1) is bonded to one O(5), one O(9), two equivalent O(7), four equivalent O(1), and four equivalent O(2) atoms to form KO12 cuboctahedra that share corners with four equivalent K(3)O12 cuboctahedra, corners with eight equivalent Na(2)O12 cuboctahedra, faces with two equivalent Na(1)O12 cuboctahedra, faces with four equivalent K(2)O12 cuboctahedra, faces with two equivalent Nb(2)O6 octahedra, faces with two equivalent W(1)O6 octahedra, and faces with four equivalent Nb(1)O6 octahedra. In the second K site, K(2) is bonded to one O(5), one O(9), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(7) atoms to form KO12 cuboctahedra that share corners with four equivalent K(2)O12 cuboctahedra, corners with four equivalent K(4)O12 cuboctahedra, corners with four equivalent Na(1)O12 cuboctahedra, faces with two equivalent K(1)O12 cuboctahedra, faces with two equivalent K(3)O12 cuboctahedra, faces with two equivalent Na(2)O12 cuboctahedra, faces with two equivalent Nb(2)O6 octahedra, faces with two equivalent W(1)O6 octahedra, and faces with four equivalent Nb(1)O6 octahedra. In the third K site, K(3) is bonded to one O(5), one O(9), two equivalent O(7), four equivalent O(3), and four equivalent O(4) atoms to form KO12 cuboctahedra that share corners with four equivalent K(1)O12 cuboctahedra, corners with eight equivalent Na(2)O12 cuboctahedra, faces with two equivalent K(4)O12 cuboctahedra, faces with four equivalent K(2)O12 cuboctahedra, faces with two equivalent Nb(2)O6 octahedra, faces with two equivalent W(1)O6 octahedra, and faces with four equivalent Nb(1)O6 octahedra. In the fourth K site, K(4) is bonded to one O(10), one O(6), two equivalent O(8), four equivalent O(3), and four equivalent O(4) atoms to form KO12 cuboctahedra that share corners with four equivalent Na(1)O12 cuboctahedra, corners with eight equivalent K(2)O12 cuboctahedra, faces with two equivalent K(3)O12 cuboctahedra, faces with four equivalent Na(2)O12 cuboctahedra, faces with two equivalent Nb(2)O6 octahedra, faces with two equivalent W(1)O6 octahedra, and faces with four equivalent Nb(1)O6 octahedra. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(10), one O(6), two equivalent O(8), four equivalent O(1), and four equivalent O(2) atoms to form NaO12 cuboctahedra that share corners with four equivalent K(4)O12 cuboctahedra, corners with eight equivalent K(2)O12 cuboctahedra, faces with two equivalent K(1)O12 cuboctahedra, faces with four equivalent Na(2)O12 cuboctahedra, faces with two equivalent Nb(2)O6 octahedra, faces with two equivalent W(1)O6 octahedra, and faces with four equivalent Nb(1)O6 octahedra. In the second Na site, Na(2) is bonded to one O(10), one O(6), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(8) atoms to form NaO12 cuboctahedra that share corners with four equivalent K(1)O12 cuboctahedra, corners with four equivalent K(3)O12 cuboctahedra, corners with four equivalent Na(2)O12 cuboctahedra, faces with two equivalent K(2)O12 cuboctahedra, faces with two equivalent K(4)O12 cuboctahedra, faces with two equivalent Na(1)O12 cuboctahedra, faces with two equivalent Nb(2)O6 octahedra, faces with two equivalent W(1)O6 octahedra, and faces with four equivalent Nb(1)O6 octahedra. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form NbO6 octahedra that share corners with two equivalent Nb(1)O6 octahedra, corners with two equivalent Nb(2)O6 octahedra, corners with two equivalent W(1)O6 octahedra,  a faceface with one K(1)O12 cuboctahedra,  a faceface with one K(3)O12 cuboctahedra,  a faceface with one K(4)O12 cuboctahedra,  a faceface with one Na(1)O12 cuboctahedra, faces with two equivalent K(2)O12 cuboctahedra, and faces with two equivalent Na(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the second Nb site, Nb(2) is bonded to one O(10), one O(9), two equivalent O(2), and two equivalent O(4) atoms to form NbO6 octahedra that share corners with two equivalent Nb(2)O6 octahedra, corners with four equivalent Nb(1)O6 octahedra,  a faceface with one K(1)O12 cuboctahedra,  a faceface with one K(3)O12 cuboctahedra,  a faceface with one K(4)O12 cuboctahedra,  a faceface with one Na(1)O12 cuboctahedra, faces with two equivalent K(2)O12 cuboctahedra, and faces with two equivalent Na(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. W(1) is bonded to one O(5), one O(6), two equivalent O(1), and two equivalent O(3) atoms to form WO6 octahedra that share corners with two equivalent W(1)O6 octahedra, corners with four equivalent Nb(1)O6 octahedra,  a faceface with one K(1)O12 cuboctahedra,  a faceface with one K(3)O12 cuboctahedra,  a faceface with one K(4)O12 cuboctahedra,  a faceface with one Na(1)O12 cuboctahedra, faces with two equivalent K(2)O12 cuboctahedra, and faces with two equivalent Na(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 1-2°. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one K(1), one K(2), one Na(1), one Na(2), one Nb(1), and one W(1) atom to form distorted OK2Na2NbW octahedra that share corners with two equivalent O(1)K2Na2NbW octahedra, corners with two equivalent O(7)K4Nb2 octahedra, corners with two equivalent O(9)K4Nb2 octahedra, corners with four equivalent O(3)K3NaNbW octahedra, edges with two equivalent O(1)K2Na2NbW octahedra,  a faceface with one O(1)K2Na2NbW octahedra,  a faceface with one O(3)K3NaNbW octahedra,  a faceface with one O(7)K4Nb2 octahedra,  a faceface with one O(5)K4W2 octahedra, and  a faceface with one O(6)KNa3W2 octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the second O site, O(2) is bonded in a distorted linear geometry to one K(1), one K(2), one Na(1), one Na(2), one Nb(1), and one Nb(2) atom. In the third O site, O(3) is bonded to one K(2), one K(3), one K(4), one Na(2), one Nb(1), and one W(1) atom to form distorted OK3NaNbW octahedra that share corners with two equivalent O(3)K3NaNbW octahedra, corners with two equivalent O(7)K4Nb2 octahedra, corners with two equivalent O(9)K4Nb2 octahedra, corners with four equivalent O(1)K2Na2NbW octahedra, edges with two equivalent O(3)K3NaNbW octahedra,  a faceface with one O(1)K2Na2NbW octahedra,  a faceface with one O(3)K3NaNbW octahedra,  a faceface with one O(7)K4Nb2 octahedra,  a faceface with one O(5)K4W2 octahedra, and  a faceface with one O(6)KNa3W2 octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the fourth O site, O(4) is bonded in a distorted linear geometry to one K(2), one K(3), one K(4), one Na(2), one Nb(1), and one Nb(2) atom. In the fifth O site, O(5) is bonded to one K(1), one K(3), two equivalent K(2), and two equivalent W(1) atoms to form distorted OK4W2 octahedra that share corners with two equivalent O(6)KNa3W2 octahedra, corners with four equivalent O(9)K4Nb2 octahedra, edges with four equivalent O(7)K4Nb2 octahedra, faces with four equivalent O(1)K2Na2NbW octahedra, and faces with four equivalent O(3)K3NaNbW octahedra. The corner-sharing octahedra are not tilted. In the sixth O site, O(6) is bonded to one K(4), one Na(1), two equivalent Na(2), and two equivalent W(1) atoms to form distorted OKNa3W2 octahedra that share corners with two equivalent O(5)K4W2 octahedra, faces with four equivalent O(1)K2Na2NbW octahedra, and faces with four equivalent O(3)K3NaNbW octahedra. The corner-sharing octahedra are not tilted. In the seventh O site, O(7) is bonded to one K(1), one K(3), two equivalent K(2), and two equivalent Nb(1) atoms to form distorted OK4Nb2 octahedra that share corners with four equivalent O(1)K2Na2NbW octahedra, corners with four equivalent O(3)K3NaNbW octahedra, corners with four equivalent O(7)K4Nb2 octahedra, edges with two equivalent O(9)K4Nb2 octahedra, edges with two equivalent O(5)K4W2 octahedra, faces with two equivalent O(1)K2Na2NbW octahedra, and faces with two equivalent O(3)K3NaNbW octahedra. The corner-sharing octahedral tilt angles range from 0-61°. In the eighth O site, O(8) is bonded in a distorted linear geometry to one K(4), one Na(1), two equivalent Na(2), and two equivalent Nb(1) atoms. In the ninth O site, O(9) is bonded to one K(1), one K(3), two equivalent K(2), and two equivalent Nb(2) atoms to form distorted OK4Nb2 octahedra that share corners with four equivalent O(5)K4W2 octahedra, corners with eight equivalent O(1)K2Na2NbW octahedra, corners with eight equivalent O(3)K3NaNbW octahedra, and edges with four equivalent O(7)K4Nb2 octahedra. The corner-sharing octahedral tilt angles range from 0-60°. In the tenth O site, O(10) is bonded in a distorted linear geometry to one K(4), one Na(1), two equivalent Na(2), and two equivalent Nb(2) atoms. is represented by the CIF card [CIF]
data_K5Na3Nb6(WO12)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.059
_cell_length_b   8.059
_cell_length_c   8.078
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.369
_symmetry_Int_Tables_number   1
_cell_volume   524.682
_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
  K  K0  1  0.250  0.250  0.000  1.0
  K  K1  1  0.749  0.251  0.000  1.0
  K  K2  1  0.251  0.749  0.000  1.0
  K  K3  1  0.750  0.750  0.000  1.0
  K  K4  1  0.750  0.750  0.500  1.0
  Na  Na5  1  0.251  0.251  0.500  1.0
  Na  Na6  1  0.749  0.251  0.500  1.0
  Na  Na7  1  0.251  0.749  0.500  1.0
  Nb  Nb8  1  0.499  0.001  0.748  1.0
  Nb  Nb9  1  0.499  0.001  0.252  1.0
  Nb  Nb10  1  0.001  0.499  0.748  1.0
  Nb  Nb11  1  0.001  0.499  0.252  1.0
  Nb  Nb12  1  0.499  0.499  0.748  1.0
  Nb  Nb13  1  0.499  0.499  0.252  1.0
  W  W14  1  0.000  0.000  0.748  1.0
  W  W15  1  0.000  0.000  0.252  1.0
  O  O16  1  0.998  0.248  0.746  1.0
  O  O17  1  0.998  0.248  0.254  1.0
  O  O18  1  0.499  0.250  0.746  1.0
  O  O19  1  0.499  0.250  0.254  1.0
  O  O20  1  0.004  0.752  0.748  1.0
  O  O21  1  0.004  0.752  0.252  1.0
  O  O22  1  0.499  0.750  0.748  1.0
  O  O23  1  0.499  0.750  0.252  1.0
  O  O24  1  0.248  0.998  0.746  1.0
  O  O25  1  0.248  0.998  0.254  1.0
  O  O26  1  0.752  0.004  0.748  1.0
  O  O27  1  0.752  0.004  0.252  1.0
  O  O28  1  0.250  0.499  0.746  1.0
  O  O29  1  0.250  0.499  0.254  1.0
  O  O30  1  0.750  0.499  0.748  1.0
  O  O31  1  0.750  0.499  0.252  1.0
  O  O32  1  0.998  0.998  0.000  1.0
  O  O33  1  0.004  0.004  0.500  1.0
  O  O34  1  0.500  1.000  0.000  1.0
  O  O35  1  0.499  0.002  0.500  1.0
  O  O36  1  1.000  0.500  0.000  1.0
  O  O37  1  0.002  0.499  0.500  1.0
  O  O38  1  0.500  0.500  0.000  1.0
  O  O39  1  0.498  0.498  0.500  1.0
[/CIF]
.
The material described by K5Na3Nb6(WO12)2 is (Cubic) Perovskite-derived structured and crystallizes in the orthorhombic Amm2 space group. There are four inequivalent K sites. In the first K site, K(1) is bonded to one O(5), one O(9), two equivalent O(7), four equivalent O(1), and four equivalent O(2) atoms to form KO12 cuboctahedra that share corners with four equivalent K(3)O12 cuboctahedra, corners with eight equivalent Na(2)O12 cuboctahedra, faces with two equivalent Na(1)O12 cuboctahedra, faces with four equivalent K(2)O12 cuboctahedra, faces with two equivalent Nb(2)O6 octahedra, faces with two equivalent W(1)O6 octahedra, and faces with four equivalent Nb(1)O6 octahedra. In the second K site, K(2) is bonded to one O(5), one O(9), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(7) atoms to form KO12 cuboctahedra that share corners with four equivalent K(2)O12 cuboctahedra, corners with four equivalent K(4)O12 cuboctahedra, corners with four equivalent Na(1)O12 cuboctahedra, faces with two equivalent K(1)O12 cuboctahedra, faces with two equivalent K(3)O12 cuboctahedra, faces with two equivalent Na(2)O12 cuboctahedra, faces with two equivalent Nb(2)O6 octahedra, faces with two equivalent W(1)O6 octahedra, and faces with four equivalent Nb(1)O6 octahedra. In the third K site, K(3) is bonded to one O(5), one O(9), two equivalent O(7), four equivalent O(3), and four equivalent O(4) atoms to form KO12 cuboctahedra that share corners with four equivalent K(1)O12 cuboctahedra, corners with eight equivalent Na(2)O12 cuboctahedra, faces with two equivalent K(4)O12 cuboctahedra, faces with four equivalent K(2)O12 cuboctahedra, faces with two equivalent Nb(2)O6 octahedra, faces with two equivalent W(1)O6 octahedra, and faces with four equivalent Nb(1)O6 octahedra. In the fourth K site, K(4) is bonded to one O(10), one O(6), two equivalent O(8), four equivalent O(3), and four equivalent O(4) atoms to form KO12 cuboctahedra that share corners with four equivalent Na(1)O12 cuboctahedra, corners with eight equivalent K(2)O12 cuboctahedra, faces with two equivalent K(3)O12 cuboctahedra, faces with four equivalent Na(2)O12 cuboctahedra, faces with two equivalent Nb(2)O6 octahedra, faces with two equivalent W(1)O6 octahedra, and faces with four equivalent Nb(1)O6 octahedra. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(10), one O(6), two equivalent O(8), four equivalent O(1), and four equivalent O(2) atoms to form NaO12 cuboctahedra that share corners with four equivalent K(4)O12 cuboctahedra, corners with eight equivalent K(2)O12 cuboctahedra, faces with two equivalent K(1)O12 cuboctahedra, faces with four equivalent Na(2)O12 cuboctahedra, faces with two equivalent Nb(2)O6 octahedra, faces with two equivalent W(1)O6 octahedra, and faces with four equivalent Nb(1)O6 octahedra. In the second Na site, Na(2) is bonded to one O(10), one O(6), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(8) atoms to form NaO12 cuboctahedra that share corners with four equivalent K(1)O12 cuboctahedra, corners with four equivalent K(3)O12 cuboctahedra, corners with four equivalent Na(2)O12 cuboctahedra, faces with two equivalent K(2)O12 cuboctahedra, faces with two equivalent K(4)O12 cuboctahedra, faces with two equivalent Na(1)O12 cuboctahedra, faces with two equivalent Nb(2)O6 octahedra, faces with two equivalent W(1)O6 octahedra, and faces with four equivalent Nb(1)O6 octahedra. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form NbO6 octahedra that share corners with two equivalent Nb(1)O6 octahedra, corners with two equivalent Nb(2)O6 octahedra, corners with two equivalent W(1)O6 octahedra,  a faceface with one K(1)O12 cuboctahedra,  a faceface with one K(3)O12 cuboctahedra,  a faceface with one K(4)O12 cuboctahedra,  a faceface with one Na(1)O12 cuboctahedra, faces with two equivalent K(2)O12 cuboctahedra, and faces with two equivalent Na(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the second Nb site, Nb(2) is bonded to one O(10), one O(9), two equivalent O(2), and two equivalent O(4) atoms to form NbO6 octahedra that share corners with two equivalent Nb(2)O6 octahedra, corners with four equivalent Nb(1)O6 octahedra,  a faceface with one K(1)O12 cuboctahedra,  a faceface with one K(3)O12 cuboctahedra,  a faceface with one K(4)O12 cuboctahedra,  a faceface with one Na(1)O12 cuboctahedra, faces with two equivalent K(2)O12 cuboctahedra, and faces with two equivalent Na(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. W(1) is bonded to one O(5), one O(6), two equivalent O(1), and two equivalent O(3) atoms to form WO6 octahedra that share corners with two equivalent W(1)O6 octahedra, corners with four equivalent Nb(1)O6 octahedra,  a faceface with one K(1)O12 cuboctahedra,  a faceface with one K(3)O12 cuboctahedra,  a faceface with one K(4)O12 cuboctahedra,  a faceface with one Na(1)O12 cuboctahedra, faces with two equivalent K(2)O12 cuboctahedra, and faces with two equivalent Na(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 1-2°. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one K(1), one K(2), one Na(1), one Na(2), one Nb(1), and one W(1) atom to form distorted OK2Na2NbW octahedra that share corners with two equivalent O(1)K2Na2NbW octahedra, corners with two equivalent O(7)K4Nb2 octahedra, corners with two equivalent O(9)K4Nb2 octahedra, corners with four equivalent O(3)K3NaNbW octahedra, edges with two equivalent O(1)K2Na2NbW octahedra,  a faceface with one O(1)K2Na2NbW octahedra,  a faceface with one O(3)K3NaNbW octahedra,  a faceface with one O(7)K4Nb2 octahedra,  a faceface with one O(5)K4W2 octahedra, and  a faceface with one O(6)KNa3W2 octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the second O site, O(2) is bonded in a distorted linear geometry to one K(1), one K(2), one Na(1), one Na(2), one Nb(1), and one Nb(2) atom. In the third O site, O(3) is bonded to one K(2), one K(3), one K(4), one Na(2), one Nb(1), and one W(1) atom to form distorted OK3NaNbW octahedra that share corners with two equivalent O(3)K3NaNbW octahedra, corners with two equivalent O(7)K4Nb2 octahedra, corners with two equivalent O(9)K4Nb2 octahedra, corners with four equivalent O(1)K2Na2NbW octahedra, edges with two equivalent O(3)K3NaNbW octahedra,  a faceface with one O(1)K2Na2NbW octahedra,  a faceface with one O(3)K3NaNbW octahedra,  a faceface with one O(7)K4Nb2 octahedra,  a faceface with one O(5)K4W2 octahedra, and  a faceface with one O(6)KNa3W2 octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the fourth O site, O(4) is bonded in a distorted linear geometry to one K(2), one K(3), one K(4), one Na(2), one Nb(1), and one Nb(2) atom. In the fifth O site, O(5) is bonded to one K(1), one K(3), two equivalent K(2), and two equivalent W(1) atoms to form distorted OK4W2 octahedra that share corners with two equivalent O(6)KNa3W2 octahedra, corners with four equivalent O(9)K4Nb2 octahedra, edges with four equivalent O(7)K4Nb2 octahedra, faces with four equivalent O(1)K2Na2NbW octahedra, and faces with four equivalent O(3)K3NaNbW octahedra. The corner-sharing octahedra are not tilted. In the sixth O site, O(6) is bonded to one K(4), one Na(1), two equivalent Na(2), and two equivalent W(1) atoms to form distorted OKNa3W2 octahedra that share corners with two equivalent O(5)K4W2 octahedra, faces with four equivalent O(1)K2Na2NbW octahedra, and faces with four equivalent O(3)K3NaNbW octahedra. The corner-sharing octahedra are not tilted. In the seventh O site, O(7) is bonded to one K(1), one K(3), two equivalent K(2), and two equivalent Nb(1) atoms to form distorted OK4Nb2 octahedra that share corners with four equivalent O(1)K2Na2NbW octahedra, corners with four equivalent O(3)K3NaNbW octahedra, corners with four equivalent O(7)K4Nb2 octahedra, edges with two equivalent O(9)K4Nb2 octahedra, edges with two equivalent O(5)K4W2 octahedra, faces with two equivalent O(1)K2Na2NbW octahedra, and faces with two equivalent O(3)K3NaNbW octahedra. The corner-sharing octahedral tilt angles range from 0-61°. In the eighth O site, O(8) is bonded in a distorted linear geometry to one K(4), one Na(1), two equivalent Na(2), and two equivalent Nb(1) atoms. In the ninth O site, O(9) is bonded to one K(1), one K(3), two equivalent K(2), and two equivalent Nb(2) atoms to form distorted OK4Nb2 octahedra that share corners with four equivalent O(5)K4W2 octahedra, corners with eight equivalent O(1)K2Na2NbW octahedra, corners with eight equivalent O(3)K3NaNbW octahedra, and edges with four equivalent O(7)K4Nb2 octahedra. The corner-sharing octahedral tilt angles range from 0-60°. In the tenth O site, O(10) is bonded in a distorted linear geometry to one K(4), one Na(1), two equivalent Na(2), and two equivalent Nb(2) atoms. is represented by the CIF card [CIF]
data_K5Na3Nb6(WO12)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.059
_cell_length_b   8.059
_cell_length_c   8.078
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.369
_symmetry_Int_Tables_number   1
_cell_volume   524.682
_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
  K  K0  1  0.250  0.250  0.000  1.0
  K  K1  1  0.749  0.251  0.000  1.0
  K  K2  1  0.251  0.749  0.000  1.0
  K  K3  1  0.750  0.750  0.000  1.0
  K  K4  1  0.750  0.750  0.500  1.0
  Na  Na5  1  0.251  0.251  0.500  1.0
  Na  Na6  1  0.749  0.251  0.500  1.0
  Na  Na7  1  0.251  0.749  0.500  1.0
  Nb  Nb8  1  0.499  0.001  0.748  1.0
  Nb  Nb9  1  0.499  0.001  0.252  1.0
  Nb  Nb10  1  0.001  0.499  0.748  1.0
  Nb  Nb11  1  0.001  0.499  0.252  1.0
  Nb  Nb12  1  0.499  0.499  0.748  1.0
  Nb  Nb13  1  0.499  0.499  0.252  1.0
  W  W14  1  0.000  0.000  0.748  1.0
  W  W15  1  0.000  0.000  0.252  1.0
  O  O16  1  0.998  0.248  0.746  1.0
  O  O17  1  0.998  0.248  0.254  1.0
  O  O18  1  0.499  0.250  0.746  1.0
  O  O19  1  0.499  0.250  0.254  1.0
  O  O20  1  0.004  0.752  0.748  1.0
  O  O21  1  0.004  0.752  0.252  1.0
  O  O22  1  0.499  0.750  0.748  1.0
  O  O23  1  0.499  0.750  0.252  1.0
  O  O24  1  0.248  0.998  0.746  1.0
  O  O25  1  0.248  0.998  0.254  1.0
  O  O26  1  0.752  0.004  0.748  1.0
  O  O27  1  0.752  0.004  0.252  1.0
  O  O28  1  0.250  0.499  0.746  1.0
  O  O29  1  0.250  0.499  0.254  1.0
  O  O30  1  0.750  0.499  0.748  1.0
  O  O31  1  0.750  0.499  0.252  1.0
  O  O32  1  0.998  0.998  0.000  1.0
  O  O33  1  0.004  0.004  0.500  1.0
  O  O34  1  0.500  1.000  0.000  1.0
  O  O35  1  0.499  0.002  0.500  1.0
  O  O36  1  1.000  0.500  0.000  1.0
  O  O37  1  0.002  0.499  0.500  1.0
  O  O38  1  0.500  0.500  0.000  1.0
  O  O39  1  0.498  0.498  0.500  1.0
[/CIF]
.