The structure described by W3Bi17O34 crystallizes in the triclinic P1 space group. There are three inequivalent W sites. In the first W site, W(1) is bonded in a distorted trigonal bipyramidal geometry to one O(10), one O(16), one O(24), one O(3), and one O(30) atom. In the second W site, W(2) is bonded to one O(18), one O(19), one O(21), one O(26), one O(27), and one O(32) atom to form distorted WO6 octahedra that share  a cornercorner with one Bi(11)O6 octahedra,  a cornercorner with one Bi(13)O5 square pyramid, and  a cornercorner with one Bi(4)O5 square pyramid. The corner-sharing octahedral tilt angles are 39°. In the third W site, W(3) is bonded to one O(11), one O(17), one O(2), one O(22), one O(28), and one O(29) atom to form WO6 octahedra that share  a cornercorner with one Bi(11)O6 octahedra,  a cornercorner with one Bi(8)O6 octahedra,  a cornercorner with one Bi(13)O5 square pyramid,  a cornercorner with one Bi(4)O5 square pyramid, and  a cornercorner with one Bi(7)O5 square pyramid. The corner-sharing octahedral tilt angles range from 56-66°. There are seventeen inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 5-coordinate geometry to one O(1), one O(13), one O(24), one O(4), and one O(6) atom. In the second Bi site, Bi(2) is bonded in a 7-coordinate geometry to one O(1), one O(13), one O(26), one O(3), one O(32), one O(5), and one O(8) atom. In the third Bi site, Bi(3) is bonded to one O(1), one O(12), one O(34), one O(4), and one O(9) atom to form distorted BiO5 trigonal bipyramids that share  a cornercorner with one Bi(8)O6 octahedra,  a cornercorner with one Bi(4)O5 square pyramid, and  an edgeedge with one Bi(7)O5 square pyramid. The corner-sharing octahedral tilt angles are 53°. In the fourth Bi site, Bi(4) is bonded to one O(13), one O(2), one O(21), one O(5), and one O(9) atom to form distorted BiO5 square pyramids that share  a cornercorner with one W(2)O6 octahedra,  a cornercorner with one W(3)O6 octahedra,  a cornercorner with one Bi(11)O6 octahedra,  a cornercorner with one Bi(13)O5 square pyramid, and  a cornercorner with one Bi(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 28-51°. In the fifth Bi site, Bi(5) is bonded in a 7-coordinate geometry to one O(11), one O(14), one O(19), one O(29), one O(32), one O(34), and one O(7) atom. In the sixth Bi site, Bi(6) is bonded in a 7-coordinate geometry to one O(11), one O(16), one O(3), one O(33), one O(34), one O(5), and one O(9) atom. In the seventh Bi site, Bi(7) is bonded to one O(12), one O(17), one O(33), one O(4), and one O(6) atom to form distorted BiO5 square pyramids that share  a cornercorner with one W(3)O6 octahedra,  a cornercorner with one Bi(11)O6 octahedra,  a cornercorner with one Bi(8)O6 octahedra,  a cornercorner with one Bi(13)O5 square pyramid, and  an edgeedge with one Bi(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 17-62°. In the eighth Bi site, Bi(8) is bonded to one O(12), one O(14), one O(15), one O(20), one O(22), and one O(8) atom to form distorted BiO6 octahedra that share  a cornercorner with one W(3)O6 octahedra,  a cornercorner with one Bi(11)O6 octahedra,  a cornercorner with one Bi(7)O5 square pyramid,  a cornercorner with one Bi(3)O5 trigonal bipyramid, and  an edgeedge with one Bi(13)O5 square pyramid. The corner-sharing octahedral tilt angles range from 56-70°. In the ninth Bi site, Bi(9) is bonded in a 4-coordinate geometry to one O(10), one O(15), one O(4), and one O(7) atom. In the tenth Bi site, Bi(10) is bonded in a 7-coordinate geometry to one O(12), one O(16), one O(18), one O(20), one O(23), one O(25), and one O(9) atom. In the eleventh Bi site, Bi(11) is bonded to one O(13), one O(19), one O(23), one O(29), one O(6), and one O(8) atom to form distorted BiO6 octahedra that share  a cornercorner with one W(2)O6 octahedra,  a cornercorner with one W(3)O6 octahedra,  a cornercorner with one Bi(8)O6 octahedra,  a cornercorner with one Bi(4)O5 square pyramid, and  a cornercorner with one Bi(7)O5 square pyramid. The corner-sharing octahedral tilt angles range from 39-70°. In the twelfth Bi site, Bi(12) is bonded in a 6-coordinate geometry to one O(11), one O(14), one O(16), one O(2), one O(20), and one O(24) atom. In the thirteenth Bi site, Bi(13) is bonded to one O(15), one O(22), one O(26), one O(33), and one O(5) atom to form distorted BiO5 square pyramids that share  a cornercorner with one W(2)O6 octahedra,  a cornercorner with one W(3)O6 octahedra,  a cornercorner with one Bi(4)O5 square pyramid,  a cornercorner with one Bi(7)O5 square pyramid, and  an edgeedge with one Bi(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-43°. In the fourteenth Bi site, Bi(14) is bonded in a 5-coordinate geometry to one O(1), one O(20), one O(25), one O(27), and one O(31) atom. In the fifteenth Bi site, Bi(15) is bonded in a 5-coordinate geometry to one O(23), one O(25), one O(29), one O(31), and one O(7) atom. In the sixteenth Bi site, Bi(16) is bonded in a 5-coordinate geometry to one O(19), one O(27), one O(31), one O(33), and one O(34) atom. In the seventeenth Bi site, Bi(17) is bonded in a 7-coordinate geometry to one O(10), one O(18), one O(25), one O(28), one O(3), one O(32), and one O(7) atom. There are thirty-four inequivalent O sites. In the first O site, O(1) is bonded to one Bi(1), one Bi(14), one Bi(2), and one Bi(3) atom to form distorted OBi4 tetrahedra that share  a cornercorner with one O(32)Bi3W tetrahedra,  a cornercorner with one O(12)Bi4 tetrahedra,  a cornercorner with one O(20)Bi4 tetrahedra,  a cornercorner with one O(25)Bi4 tetrahedra,  a cornercorner with one O(34)Bi4 tetrahedra,  a cornercorner with one O(5)Bi4 tetrahedra,  a cornercorner with one O(9)Bi4 tetrahedra,  an edgeedge with one O(4)Bi4 tetrahedra, and  an edgeedge with one O(13)Bi4 trigonal pyramid. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one W(3), one Bi(12), and one Bi(4) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one W(1), one Bi(17), one Bi(2), and one Bi(6) atom. In the fourth O site, O(4) is bonded to one Bi(1), one Bi(3), one Bi(7), and one Bi(9) atom to form a mixture of distorted corner and edge-sharing OBi4 tetrahedra. In the fifth O site, O(5) is bonded to one Bi(13), one Bi(2), one Bi(4), and one Bi(6) atom to form OBi4 tetrahedra that share  a cornercorner with one O(11)Bi3W tetrahedra,  a cornercorner with one O(32)Bi3W tetrahedra,  a cornercorner with one O(1)Bi4 tetrahedra,  a cornercorner with one O(34)Bi4 tetrahedra,  an edgeedge with one O(33)Bi4 tetrahedra,  an edgeedge with one O(9)Bi4 tetrahedra, and  an edgeedge with one O(13)Bi4 trigonal pyramid. In the sixth O site, O(6) is bonded in a trigonal non-coplanar geometry to one Bi(1), one Bi(11), and one Bi(7) atom. In the seventh O site, O(7) is bonded to one Bi(15), one Bi(17), one Bi(5), and one Bi(9) atom to form OBi4 tetrahedra that share  a cornercorner with one O(11)Bi3W tetrahedra,  a cornercorner with one O(34)Bi4 tetrahedra,  a cornercorner with one O(4)Bi4 tetrahedra,  an edgeedge with one O(29)Bi3W tetrahedra,  an edgeedge with one O(32)Bi3W tetrahedra, and  an edgeedge with one O(25)Bi4 tetrahedra. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Bi(11), one Bi(2), and one Bi(8) atom. In the ninth O site, O(9) is bonded to one Bi(10), one Bi(3), one Bi(4), and one Bi(6) atom to form OBi4 tetrahedra that share  a cornercorner with one O(11)Bi3W tetrahedra,  a cornercorner with one O(1)Bi4 tetrahedra,  a cornercorner with one O(20)Bi4 tetrahedra,  a cornercorner with one O(25)Bi4 tetrahedra,  a cornercorner with one O(33)Bi4 tetrahedra,  a cornercorner with one O(4)Bi4 tetrahedra,  a cornercorner with one O(13)Bi4 trigonal pyramid,  an edgeedge with one O(12)Bi4 tetrahedra,  an edgeedge with one O(34)Bi4 tetrahedra, and  an edgeedge with one O(5)Bi4 tetrahedra. In the tenth O site, O(10) is bonded in a distorted trigonal non-coplanar geometry to one W(1), one Bi(17), and one Bi(9) atom. In the eleventh O site, O(11) is bonded to one W(3), one Bi(12), one Bi(5), and one Bi(6) atom to form OBi3W tetrahedra that share  a cornercorner with one O(32)Bi3W tetrahedra,  a cornercorner with one O(20)Bi4 tetrahedra,  a cornercorner with one O(33)Bi4 tetrahedra,  a cornercorner with one O(5)Bi4 tetrahedra,  a cornercorner with one O(7)Bi4 tetrahedra,  a cornercorner with one O(9)Bi4 tetrahedra,  an edgeedge with one O(29)Bi3W tetrahedra, and  an edgeedge with one O(34)Bi4 tetrahedra. In the twelfth O site, O(12) is bonded to one Bi(10), one Bi(3), one Bi(7), and one Bi(8) atom to form a mixture of distorted corner and edge-sharing OBi4 tetrahedra. In the thirteenth O site, O(13) is bonded to one Bi(1), one Bi(11), one Bi(2), and one Bi(4) atom to form distorted OBi4 trigonal pyramids that share  a cornercorner with one O(29)Bi3W tetrahedra,  a cornercorner with one O(32)Bi3W tetrahedra,  a cornercorner with one O(4)Bi4 tetrahedra,  a cornercorner with one O(9)Bi4 tetrahedra,  an edgeedge with one O(1)Bi4 tetrahedra, and  an edgeedge with one O(5)Bi4 tetrahedra. In the fourteenth O site, O(14) is bonded in a distorted trigonal non-coplanar geometry to one Bi(12), one Bi(5), and one Bi(8) atom. In the fifteenth O site, O(15) is bonded in a trigonal planar geometry to one Bi(13), one Bi(8), and one Bi(9) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one W(1), one Bi(10), one Bi(12), and one Bi(6) atom. In the seventeenth O site, O(17) is bonded in a linear geometry to one W(3) and one Bi(7) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one W(2), one Bi(10), and one Bi(17) atom. In the nineteenth O site, O(19) is bonded in a 4-coordinate geometry to one W(2), one Bi(11), one Bi(16), and one Bi(5) atom. In the twentieth O site, O(20) is bonded to one Bi(10), one Bi(12), one Bi(14), and one Bi(8) atom to form OBi4 tetrahedra that share  a cornercorner with one O(11)Bi3W tetrahedra,  a cornercorner with one O(1)Bi4 tetrahedra,  a cornercorner with one O(9)Bi4 tetrahedra,  an edgeedge with one O(12)Bi4 tetrahedra, and  an edgeedge with one O(25)Bi4 tetrahedra. In the twenty-first O site, O(21) is bonded in a distorted single-bond geometry to one W(2) and one Bi(4) atom. In the twenty-second O site, O(22) is bonded in a distorted single-bond geometry to one W(3), one Bi(13), and one Bi(8) atom. In the twenty-third O site, O(23) is bonded in a distorted trigonal non-coplanar geometry to one Bi(10), one Bi(11), and one Bi(15) atom. In the twenty-fourth O site, O(24) is bonded in a 3-coordinate geometry to one W(1), one Bi(1), and one Bi(12) atom. In the twenty-fifth O site, O(25) is bonded to one Bi(10), one Bi(14), one Bi(15), and one Bi(17) atom to form OBi4 tetrahedra that share  a cornercorner with one O(29)Bi3W tetrahedra,  a cornercorner with one O(32)Bi3W tetrahedra,  a cornercorner with one O(1)Bi4 tetrahedra,  a cornercorner with one O(12)Bi4 tetrahedra,  a cornercorner with one O(9)Bi4 tetrahedra,  an edgeedge with one O(20)Bi4 tetrahedra, and  an edgeedge with one O(7)Bi4 tetrahedra. In the twenty-sixth O site, O(26) is bonded in a bent 150 degrees geometry to one W(2), one Bi(13), and one Bi(2) atom. In the twenty-seventh O site, O(27) is bonded in a distorted trigonal planar geometry to one W(2), one Bi(14), and one Bi(16) atom. In the twenty-eighth O site, O(28) is bonded in a distorted single-bond geometry to one W(3) and one Bi(17) atom. In the twenty-ninth O site, O(29) is bonded to one W(3), one Bi(11), one Bi(15), and one Bi(5) atom to form distorted OBi3W tetrahedra that share  a cornercorner with one O(32)Bi3W tetrahedra,  a cornercorner with one O(25)Bi4 tetrahedra,  a cornercorner with one O(34)Bi4 tetrahedra,  a cornercorner with one O(13)Bi4 trigonal pyramid,  an edgeedge with one O(11)Bi3W tetrahedra, and  an edgeedge with one O(7)Bi4 tetrahedra. In the thirtieth O site, O(30) is bonded in a single-bond geometry to one W(1) atom. In the thirty-first O site, O(31) is bonded in a distorted trigonal non-coplanar geometry to one Bi(14), one Bi(15), and one Bi(16) atom. In the thirty-second O site, O(32) is bonded to one W(2), one Bi(17), one Bi(2), and one Bi(5) atom to form OBi3W tetrahedra that share  a cornercorner with one O(11)Bi3W tetrahedra,  a cornercorner with one O(29)Bi3W tetrahedra,  a cornercorner with one O(1)Bi4 tetrahedra,  a cornercorner with one O(25)Bi4 tetrahedra,  a cornercorner with one O(34)Bi4 tetrahedra,  a cornercorner with one O(5)Bi4 tetrahedra,  a cornercorner with one O(13)Bi4 trigonal pyramid, and  an edgeedge with one O(7)Bi4 tetrahedra. In the thirty-third O site, O(33) is bonded to one Bi(13), one Bi(16), one Bi(6), and one Bi(7) atom to form distorted OBi4 tetrahedra that share  a cornercorner with one O(11)Bi3W tetrahedra,  a cornercorner with one O(12)Bi4 tetrahedra,  a cornercorner with one O(4)Bi4 tetrahedra,  a cornercorner with one O(9)Bi4 tetrahedra,  an edgeedge with one O(34)Bi4 tetrahedra, and  an edgeedge with one O(5)Bi4 tetrahedra. In the thirty-fourth O site, O(34) is bonded to one Bi(16), one Bi(3), one Bi(5), and one Bi(6) atom to form OBi4 tetrahedra that share  a cornercorner with one O(29)Bi3W tetrahedra,  a cornercorner with one O(32)Bi3W tetrahedra,  a cornercorner with one O(1)Bi4 tetrahedra,  a cornercorner with one O(12)Bi4 tetrahedra,  a cornercorner with one O(4)Bi4 tetrahedra,  a cornercorner with one O(5)Bi4 tetrahedra,  a cornercorner with one O(7)Bi4 tetrahedra,  an edgeedge with one O(11)Bi3W tetrahedra,  an edgeedge with one O(33)Bi4 tetrahedra, and  an edgeedge with one O(9)Bi4 tetrahedra. is represented by the CIF card [CIF]
data_Bi17W3O34
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.512
_cell_length_b   10.699
_cell_length_c   10.507
_cell_angle_alpha   107.895
_cell_angle_beta   106.126
_cell_angle_gamma   115.527
_symmetry_Int_Tables_number   1
_cell_volume   891.561
_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
  Bi  Bi0  1  0.229  0.885  0.889  1.0
  Bi  Bi1  1  0.079  0.469  0.809  1.0
  Bi  Bi2  1  0.140  0.634  0.502  1.0
  Bi  Bi3  1  0.174  0.767  0.206  1.0
  Bi  Bi4  1  0.947  0.138  0.363  1.0
  Bi  Bi5  1  0.017  0.345  0.113  1.0
  Bi  Bi6  1  0.560  0.970  0.800  1.0
  Bi  Bi7  1  0.435  0.504  0.696  1.0
  Bi  Bi8  1  0.254  0.066  0.595  1.0
  Bi  Bi9  1  0.472  0.650  0.410  1.0
  Bi  Bi10  1  0.514  0.798  0.075  1.0
  Bi  Bi11  1  0.292  0.216  0.300  1.0
  Bi  Bi12  1  0.718  0.413  0.907  1.0
  Bi  Bi13  1  0.774  0.572  0.578  1.0
  Bi  Bi14  1  0.778  0.724  0.294  1.0
  Bi  Bi15  1  0.688  0.270  0.233  1.0
  Bi  Bi16  1  0.910  0.029  0.669  1.0
  W  W17  1  0.305  0.290  0.002  1.0
  W  W18  1  0.657  0.136  0.506  1.0
  W  W19  1  0.884  0.883  0.997  1.0
  O  O20  1  0.077  0.626  0.697  1.0
  O  O21  1  0.065  0.887  0.121  1.0
  O  O22  1  0.134  0.318  0.939  1.0
  O  O23  1  0.298  0.922  0.695  1.0
  O  O24  1  0.991  0.521  0.025  1.0
  O  O25  1  0.474  0.949  0.961  1.0
  O  O26  1  0.970  0.983  0.480  1.0
  O  O27  1  0.322  0.545  0.845  1.0
  O  O28  1  0.214  0.594  0.298  1.0
  O  O29  1  0.204  0.130  0.795  1.0
  O  O30  1  0.038  0.132  0.170  1.0
  O  O31  1  0.380  0.677  0.619  1.0
  O  O32  1  0.278  0.776  0.049  1.0
  O  O33  1  0.223  0.277  0.489  1.0
  O  O34  1  0.468  0.302  0.727  1.0
  O  O35  1  0.314  0.385  0.207  1.0
  O  O36  1  0.726  0.925  0.932  1.0
  O  O37  1  0.654  0.977  0.553  1.0
  O  O38  1  0.652  0.051  0.310  1.0
  O  O39  1  0.517  0.478  0.496  1.0
  O  O40  1  0.445  0.050  0.442  1.0
  O  O41  1  0.751  0.664  0.880  1.0
  O  O42  1  0.554  0.713  0.248  1.0
  O  O43  1  0.344  0.163  0.073  1.0
  O  O44  1  0.764  0.762  0.520  1.0
  O  O45  1  0.742  0.294  0.711  1.0
  O  O46  1  0.699  0.315  0.461  1.0
  O  O47  1  0.964  0.925  0.870  1.0
  O  O48  1  0.806  0.875  0.165  1.0
  O  O49  1  0.493  0.433  0.031  1.0
  O  O50  1  0.783  0.525  0.363  1.0
  O  O51  1  0.920  0.226  0.594  1.0
  O  O52  1  0.717  0.241  0.981  1.0
  O  O53  1  0.941  0.349  0.309  1.0
[/CIF]
.
The structure described by W3Bi17O34 crystallizes in the triclinic P1 space group. There are three inequivalent W sites. In the first W site, W(1) is bonded in a distorted trigonal bipyramidal geometry to one O(10), one O(16), one O(24), one O(3), and one O(30) atom. In the second W site, W(2) is bonded to one O(18), one O(19), one O(21), one O(26), one O(27), and one O(32) atom to form distorted WO6 octahedra that share  a cornercorner with one Bi(11)O6 octahedra,  a cornercorner with one Bi(13)O5 square pyramid, and  a cornercorner with one Bi(4)O5 square pyramid. The corner-sharing octahedral tilt angles are 39°. In the third W site, W(3) is bonded to one O(11), one O(17), one O(2), one O(22), one O(28), and one O(29) atom to form WO6 octahedra that share  a cornercorner with one Bi(11)O6 octahedra,  a cornercorner with one Bi(8)O6 octahedra,  a cornercorner with one Bi(13)O5 square pyramid,  a cornercorner with one Bi(4)O5 square pyramid, and  a cornercorner with one Bi(7)O5 square pyramid. The corner-sharing octahedral tilt angles range from 56-66°. There are seventeen inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 5-coordinate geometry to one O(1), one O(13), one O(24), one O(4), and one O(6) atom. In the second Bi site, Bi(2) is bonded in a 7-coordinate geometry to one O(1), one O(13), one O(26), one O(3), one O(32), one O(5), and one O(8) atom. In the third Bi site, Bi(3) is bonded to one O(1), one O(12), one O(34), one O(4), and one O(9) atom to form distorted BiO5 trigonal bipyramids that share  a cornercorner with one Bi(8)O6 octahedra,  a cornercorner with one Bi(4)O5 square pyramid, and  an edgeedge with one Bi(7)O5 square pyramid. The corner-sharing octahedral tilt angles are 53°. In the fourth Bi site, Bi(4) is bonded to one O(13), one O(2), one O(21), one O(5), and one O(9) atom to form distorted BiO5 square pyramids that share  a cornercorner with one W(2)O6 octahedra,  a cornercorner with one W(3)O6 octahedra,  a cornercorner with one Bi(11)O6 octahedra,  a cornercorner with one Bi(13)O5 square pyramid, and  a cornercorner with one Bi(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 28-51°. In the fifth Bi site, Bi(5) is bonded in a 7-coordinate geometry to one O(11), one O(14), one O(19), one O(29), one O(32), one O(34), and one O(7) atom. In the sixth Bi site, Bi(6) is bonded in a 7-coordinate geometry to one O(11), one O(16), one O(3), one O(33), one O(34), one O(5), and one O(9) atom. In the seventh Bi site, Bi(7) is bonded to one O(12), one O(17), one O(33), one O(4), and one O(6) atom to form distorted BiO5 square pyramids that share  a cornercorner with one W(3)O6 octahedra,  a cornercorner with one Bi(11)O6 octahedra,  a cornercorner with one Bi(8)O6 octahedra,  a cornercorner with one Bi(13)O5 square pyramid, and  an edgeedge with one Bi(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 17-62°. In the eighth Bi site, Bi(8) is bonded to one O(12), one O(14), one O(15), one O(20), one O(22), and one O(8) atom to form distorted BiO6 octahedra that share  a cornercorner with one W(3)O6 octahedra,  a cornercorner with one Bi(11)O6 octahedra,  a cornercorner with one Bi(7)O5 square pyramid,  a cornercorner with one Bi(3)O5 trigonal bipyramid, and  an edgeedge with one Bi(13)O5 square pyramid. The corner-sharing octahedral tilt angles range from 56-70°. In the ninth Bi site, Bi(9) is bonded in a 4-coordinate geometry to one O(10), one O(15), one O(4), and one O(7) atom. In the tenth Bi site, Bi(10) is bonded in a 7-coordinate geometry to one O(12), one O(16), one O(18), one O(20), one O(23), one O(25), and one O(9) atom. In the eleventh Bi site, Bi(11) is bonded to one O(13), one O(19), one O(23), one O(29), one O(6), and one O(8) atom to form distorted BiO6 octahedra that share  a cornercorner with one W(2)O6 octahedra,  a cornercorner with one W(3)O6 octahedra,  a cornercorner with one Bi(8)O6 octahedra,  a cornercorner with one Bi(4)O5 square pyramid, and  a cornercorner with one Bi(7)O5 square pyramid. The corner-sharing octahedral tilt angles range from 39-70°. In the twelfth Bi site, Bi(12) is bonded in a 6-coordinate geometry to one O(11), one O(14), one O(16), one O(2), one O(20), and one O(24) atom. In the thirteenth Bi site, Bi(13) is bonded to one O(15), one O(22), one O(26), one O(33), and one O(5) atom to form distorted BiO5 square pyramids that share  a cornercorner with one W(2)O6 octahedra,  a cornercorner with one W(3)O6 octahedra,  a cornercorner with one Bi(4)O5 square pyramid,  a cornercorner with one Bi(7)O5 square pyramid, and  an edgeedge with one Bi(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-43°. In the fourteenth Bi site, Bi(14) is bonded in a 5-coordinate geometry to one O(1), one O(20), one O(25), one O(27), and one O(31) atom. In the fifteenth Bi site, Bi(15) is bonded in a 5-coordinate geometry to one O(23), one O(25), one O(29), one O(31), and one O(7) atom. In the sixteenth Bi site, Bi(16) is bonded in a 5-coordinate geometry to one O(19), one O(27), one O(31), one O(33), and one O(34) atom. In the seventeenth Bi site, Bi(17) is bonded in a 7-coordinate geometry to one O(10), one O(18), one O(25), one O(28), one O(3), one O(32), and one O(7) atom. There are thirty-four inequivalent O sites. In the first O site, O(1) is bonded to one Bi(1), one Bi(14), one Bi(2), and one Bi(3) atom to form distorted OBi4 tetrahedra that share  a cornercorner with one O(32)Bi3W tetrahedra,  a cornercorner with one O(12)Bi4 tetrahedra,  a cornercorner with one O(20)Bi4 tetrahedra,  a cornercorner with one O(25)Bi4 tetrahedra,  a cornercorner with one O(34)Bi4 tetrahedra,  a cornercorner with one O(5)Bi4 tetrahedra,  a cornercorner with one O(9)Bi4 tetrahedra,  an edgeedge with one O(4)Bi4 tetrahedra, and  an edgeedge with one O(13)Bi4 trigonal pyramid. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one W(3), one Bi(12), and one Bi(4) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one W(1), one Bi(17), one Bi(2), and one Bi(6) atom. In the fourth O site, O(4) is bonded to one Bi(1), one Bi(3), one Bi(7), and one Bi(9) atom to form a mixture of distorted corner and edge-sharing OBi4 tetrahedra. In the fifth O site, O(5) is bonded to one Bi(13), one Bi(2), one Bi(4), and one Bi(6) atom to form OBi4 tetrahedra that share  a cornercorner with one O(11)Bi3W tetrahedra,  a cornercorner with one O(32)Bi3W tetrahedra,  a cornercorner with one O(1)Bi4 tetrahedra,  a cornercorner with one O(34)Bi4 tetrahedra,  an edgeedge with one O(33)Bi4 tetrahedra,  an edgeedge with one O(9)Bi4 tetrahedra, and  an edgeedge with one O(13)Bi4 trigonal pyramid. In the sixth O site, O(6) is bonded in a trigonal non-coplanar geometry to one Bi(1), one Bi(11), and one Bi(7) atom. In the seventh O site, O(7) is bonded to one Bi(15), one Bi(17), one Bi(5), and one Bi(9) atom to form OBi4 tetrahedra that share  a cornercorner with one O(11)Bi3W tetrahedra,  a cornercorner with one O(34)Bi4 tetrahedra,  a cornercorner with one O(4)Bi4 tetrahedra,  an edgeedge with one O(29)Bi3W tetrahedra,  an edgeedge with one O(32)Bi3W tetrahedra, and  an edgeedge with one O(25)Bi4 tetrahedra. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Bi(11), one Bi(2), and one Bi(8) atom. In the ninth O site, O(9) is bonded to one Bi(10), one Bi(3), one Bi(4), and one Bi(6) atom to form OBi4 tetrahedra that share  a cornercorner with one O(11)Bi3W tetrahedra,  a cornercorner with one O(1)Bi4 tetrahedra,  a cornercorner with one O(20)Bi4 tetrahedra,  a cornercorner with one O(25)Bi4 tetrahedra,  a cornercorner with one O(33)Bi4 tetrahedra,  a cornercorner with one O(4)Bi4 tetrahedra,  a cornercorner with one O(13)Bi4 trigonal pyramid,  an edgeedge with one O(12)Bi4 tetrahedra,  an edgeedge with one O(34)Bi4 tetrahedra, and  an edgeedge with one O(5)Bi4 tetrahedra. In the tenth O site, O(10) is bonded in a distorted trigonal non-coplanar geometry to one W(1), one Bi(17), and one Bi(9) atom. In the eleventh O site, O(11) is bonded to one W(3), one Bi(12), one Bi(5), and one Bi(6) atom to form OBi3W tetrahedra that share  a cornercorner with one O(32)Bi3W tetrahedra,  a cornercorner with one O(20)Bi4 tetrahedra,  a cornercorner with one O(33)Bi4 tetrahedra,  a cornercorner with one O(5)Bi4 tetrahedra,  a cornercorner with one O(7)Bi4 tetrahedra,  a cornercorner with one O(9)Bi4 tetrahedra,  an edgeedge with one O(29)Bi3W tetrahedra, and  an edgeedge with one O(34)Bi4 tetrahedra. In the twelfth O site, O(12) is bonded to one Bi(10), one Bi(3), one Bi(7), and one Bi(8) atom to form a mixture of distorted corner and edge-sharing OBi4 tetrahedra. In the thirteenth O site, O(13) is bonded to one Bi(1), one Bi(11), one Bi(2), and one Bi(4) atom to form distorted OBi4 trigonal pyramids that share  a cornercorner with one O(29)Bi3W tetrahedra,  a cornercorner with one O(32)Bi3W tetrahedra,  a cornercorner with one O(4)Bi4 tetrahedra,  a cornercorner with one O(9)Bi4 tetrahedra,  an edgeedge with one O(1)Bi4 tetrahedra, and  an edgeedge with one O(5)Bi4 tetrahedra. In the fourteenth O site, O(14) is bonded in a distorted trigonal non-coplanar geometry to one Bi(12), one Bi(5), and one Bi(8) atom. In the fifteenth O site, O(15) is bonded in a trigonal planar geometry to one Bi(13), one Bi(8), and one Bi(9) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one W(1), one Bi(10), one Bi(12), and one Bi(6) atom. In the seventeenth O site, O(17) is bonded in a linear geometry to one W(3) and one Bi(7) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one W(2), one Bi(10), and one Bi(17) atom. In the nineteenth O site, O(19) is bonded in a 4-coordinate geometry to one W(2), one Bi(11), one Bi(16), and one Bi(5) atom. In the twentieth O site, O(20) is bonded to one Bi(10), one Bi(12), one Bi(14), and one Bi(8) atom to form OBi4 tetrahedra that share  a cornercorner with one O(11)Bi3W tetrahedra,  a cornercorner with one O(1)Bi4 tetrahedra,  a cornercorner with one O(9)Bi4 tetrahedra,  an edgeedge with one O(12)Bi4 tetrahedra, and  an edgeedge with one O(25)Bi4 tetrahedra. In the twenty-first O site, O(21) is bonded in a distorted single-bond geometry to one W(2) and one Bi(4) atom. In the twenty-second O site, O(22) is bonded in a distorted single-bond geometry to one W(3), one Bi(13), and one Bi(8) atom. In the twenty-third O site, O(23) is bonded in a distorted trigonal non-coplanar geometry to one Bi(10), one Bi(11), and one Bi(15) atom. In the twenty-fourth O site, O(24) is bonded in a 3-coordinate geometry to one W(1), one Bi(1), and one Bi(12) atom. In the twenty-fifth O site, O(25) is bonded to one Bi(10), one Bi(14), one Bi(15), and one Bi(17) atom to form OBi4 tetrahedra that share  a cornercorner with one O(29)Bi3W tetrahedra,  a cornercorner with one O(32)Bi3W tetrahedra,  a cornercorner with one O(1)Bi4 tetrahedra,  a cornercorner with one O(12)Bi4 tetrahedra,  a cornercorner with one O(9)Bi4 tetrahedra,  an edgeedge with one O(20)Bi4 tetrahedra, and  an edgeedge with one O(7)Bi4 tetrahedra. In the twenty-sixth O site, O(26) is bonded in a bent 150 degrees geometry to one W(2), one Bi(13), and one Bi(2) atom. In the twenty-seventh O site, O(27) is bonded in a distorted trigonal planar geometry to one W(2), one Bi(14), and one Bi(16) atom. In the twenty-eighth O site, O(28) is bonded in a distorted single-bond geometry to one W(3) and one Bi(17) atom. In the twenty-ninth O site, O(29) is bonded to one W(3), one Bi(11), one Bi(15), and one Bi(5) atom to form distorted OBi3W tetrahedra that share  a cornercorner with one O(32)Bi3W tetrahedra,  a cornercorner with one O(25)Bi4 tetrahedra,  a cornercorner with one O(34)Bi4 tetrahedra,  a cornercorner with one O(13)Bi4 trigonal pyramid,  an edgeedge with one O(11)Bi3W tetrahedra, and  an edgeedge with one O(7)Bi4 tetrahedra. In the thirtieth O site, O(30) is bonded in a single-bond geometry to one W(1) atom. In the thirty-first O site, O(31) is bonded in a distorted trigonal non-coplanar geometry to one Bi(14), one Bi(15), and one Bi(16) atom. In the thirty-second O site, O(32) is bonded to one W(2), one Bi(17), one Bi(2), and one Bi(5) atom to form OBi3W tetrahedra that share  a cornercorner with one O(11)Bi3W tetrahedra,  a cornercorner with one O(29)Bi3W tetrahedra,  a cornercorner with one O(1)Bi4 tetrahedra,  a cornercorner with one O(25)Bi4 tetrahedra,  a cornercorner with one O(34)Bi4 tetrahedra,  a cornercorner with one O(5)Bi4 tetrahedra,  a cornercorner with one O(13)Bi4 trigonal pyramid, and  an edgeedge with one O(7)Bi4 tetrahedra. In the thirty-third O site, O(33) is bonded to one Bi(13), one Bi(16), one Bi(6), and one Bi(7) atom to form distorted OBi4 tetrahedra that share  a cornercorner with one O(11)Bi3W tetrahedra,  a cornercorner with one O(12)Bi4 tetrahedra,  a cornercorner with one O(4)Bi4 tetrahedra,  a cornercorner with one O(9)Bi4 tetrahedra,  an edgeedge with one O(34)Bi4 tetrahedra, and  an edgeedge with one O(5)Bi4 tetrahedra. In the thirty-fourth O site, O(34) is bonded to one Bi(16), one Bi(3), one Bi(5), and one Bi(6) atom to form OBi4 tetrahedra that share  a cornercorner with one O(29)Bi3W tetrahedra,  a cornercorner with one O(32)Bi3W tetrahedra,  a cornercorner with one O(1)Bi4 tetrahedra,  a cornercorner with one O(12)Bi4 tetrahedra,  a cornercorner with one O(4)Bi4 tetrahedra,  a cornercorner with one O(5)Bi4 tetrahedra,  a cornercorner with one O(7)Bi4 tetrahedra,  an edgeedge with one O(11)Bi3W tetrahedra,  an edgeedge with one O(33)Bi4 tetrahedra, and  an edgeedge with one O(9)Bi4 tetrahedra. is represented by the CIF card [CIF]
data_Bi17W3O34
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.512
_cell_length_b   10.699
_cell_length_c   10.507
_cell_angle_alpha   107.895
_cell_angle_beta   106.126
_cell_angle_gamma   115.527
_symmetry_Int_Tables_number   1
_cell_volume   891.561
_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
  Bi  Bi0  1  0.229  0.885  0.889  1.0
  Bi  Bi1  1  0.079  0.469  0.809  1.0
  Bi  Bi2  1  0.140  0.634  0.502  1.0
  Bi  Bi3  1  0.174  0.767  0.206  1.0
  Bi  Bi4  1  0.947  0.138  0.363  1.0
  Bi  Bi5  1  0.017  0.345  0.113  1.0
  Bi  Bi6  1  0.560  0.970  0.800  1.0
  Bi  Bi7  1  0.435  0.504  0.696  1.0
  Bi  Bi8  1  0.254  0.066  0.595  1.0
  Bi  Bi9  1  0.472  0.650  0.410  1.0
  Bi  Bi10  1  0.514  0.798  0.075  1.0
  Bi  Bi11  1  0.292  0.216  0.300  1.0
  Bi  Bi12  1  0.718  0.413  0.907  1.0
  Bi  Bi13  1  0.774  0.572  0.578  1.0
  Bi  Bi14  1  0.778  0.724  0.294  1.0
  Bi  Bi15  1  0.688  0.270  0.233  1.0
  Bi  Bi16  1  0.910  0.029  0.669  1.0
  W  W17  1  0.305  0.290  0.002  1.0
  W  W18  1  0.657  0.136  0.506  1.0
  W  W19  1  0.884  0.883  0.997  1.0
  O  O20  1  0.077  0.626  0.697  1.0
  O  O21  1  0.065  0.887  0.121  1.0
  O  O22  1  0.134  0.318  0.939  1.0
  O  O23  1  0.298  0.922  0.695  1.0
  O  O24  1  0.991  0.521  0.025  1.0
  O  O25  1  0.474  0.949  0.961  1.0
  O  O26  1  0.970  0.983  0.480  1.0
  O  O27  1  0.322  0.545  0.845  1.0
  O  O28  1  0.214  0.594  0.298  1.0
  O  O29  1  0.204  0.130  0.795  1.0
  O  O30  1  0.038  0.132  0.170  1.0
  O  O31  1  0.380  0.677  0.619  1.0
  O  O32  1  0.278  0.776  0.049  1.0
  O  O33  1  0.223  0.277  0.489  1.0
  O  O34  1  0.468  0.302  0.727  1.0
  O  O35  1  0.314  0.385  0.207  1.0
  O  O36  1  0.726  0.925  0.932  1.0
  O  O37  1  0.654  0.977  0.553  1.0
  O  O38  1  0.652  0.051  0.310  1.0
  O  O39  1  0.517  0.478  0.496  1.0
  O  O40  1  0.445  0.050  0.442  1.0
  O  O41  1  0.751  0.664  0.880  1.0
  O  O42  1  0.554  0.713  0.248  1.0
  O  O43  1  0.344  0.163  0.073  1.0
  O  O44  1  0.764  0.762  0.520  1.0
  O  O45  1  0.742  0.294  0.711  1.0
  O  O46  1  0.699  0.315  0.461  1.0
  O  O47  1  0.964  0.925  0.870  1.0
  O  O48  1  0.806  0.875  0.165  1.0
  O  O49  1  0.493  0.433  0.031  1.0
  O  O50  1  0.783  0.525  0.363  1.0
  O  O51  1  0.920  0.226  0.594  1.0
  O  O52  1  0.717  0.241  0.981  1.0
  O  O53  1  0.941  0.349  0.309  1.0
[/CIF]
.