The structure described by Bi6Ti3WO18 crystallizes in the triclinic P1 space group. There are three inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(12), one O(13), one O(15), one O(6), one O(7), and one O(9) atom to form distorted TiO6 octahedra that share corners with four equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-29°. In the second Ti site, Ti(2) is bonded in a 6-coordinate geometry to one O(11), one O(14), one O(16), one O(5), one O(8), and one O(9) atom. In the third Ti site, Ti(3) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(14), one O(17), one O(5), and one O(8) atom. W(1) is bonded to one O(10), one O(12), one O(13), one O(18), one O(6), and one O(7) atom to form WO6 octahedra that share corners with four equivalent Ti(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-29°. There are six inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 6-coordinate geometry to one O(1), one O(16), one O(17), one O(2), one O(3), and one O(4) atom. In the second Bi site, Bi(2) is bonded in a 6-coordinate geometry to one O(1), one O(15), one O(18), one O(2), one O(3), and one O(4) atom. In the third Bi site, Bi(3) is bonded in a 6-coordinate geometry to one O(1), one O(15), one O(18), one O(2), one O(3), and one O(4) atom. In the fourth Bi site, Bi(4) is bonded in a 6-coordinate geometry to one O(1), one O(16), one O(17), one O(2), one O(3), and one O(4) atom. In the fifth Bi site, Bi(5) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(13), one O(14), one O(5), one O(6), and one O(9) atom. In the sixth Bi site, Bi(6) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(13), one O(14), one O(7), one O(8), and one O(9) atom. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded to one Bi(1), one Bi(2), one Bi(3), and one Bi(4) atom to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the second O site, O(2) is bonded to one Bi(1), one Bi(2), one Bi(3), and one Bi(4) atom to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the third O site, O(3) is bonded to one Bi(1), one Bi(2), one Bi(3), and one Bi(4) atom to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the fourth O site, O(4) is bonded to one Bi(1), one Bi(2), one Bi(3), and one Bi(4) atom to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Ti(2), one Ti(3), and one Bi(5) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Ti(1), one W(1), and one Bi(5) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Ti(1), one W(1), and one Bi(6) atom. In the eighth O site, O(8) is bonded in a distorted T-shaped geometry to one Ti(2), one Ti(3), and one Bi(6) atom. In the ninth O site, O(9) is bonded in a see-saw-like geometry to one Ti(1), one Ti(2), one Bi(5), and one Bi(6) atom. In the tenth O site, O(10) is bonded in a distorted see-saw-like geometry to one Ti(3), one W(1), one Bi(5), and one Bi(6) atom. In the eleventh O site, O(11) is bonded in a distorted tetrahedral geometry to one Ti(2), one Ti(3), one Bi(5), and one Bi(6) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one Ti(1), one W(1), one Bi(5), and one Bi(6) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 150 degrees geometry to one Ti(1), one W(1), one Bi(5), and one Bi(6) atom. In the fourteenth O site, O(14) is bonded in a 4-coordinate geometry to one Ti(2), one Ti(3), one Bi(5), and one Bi(6) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one Ti(1), one Bi(2), and one Bi(3) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one Ti(2), one Bi(1), and one Bi(4) atom. In the seventeenth O site, O(17) is bonded in a distorted single-bond geometry to one Ti(3), one Bi(1), and one Bi(4) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one W(1), one Bi(2), and one Bi(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ti3Bi6WO18
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.408
_cell_length_b   5.454
_cell_length_c   13.067
_cell_angle_alpha   90.410
_cell_angle_beta   101.790
_cell_angle_gamma   89.932
_symmetry_Int_Tables_number   1
_cell_volume   377.243
_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
  Ti  Ti0  1  0.336  0.958  0.176  1.0
  Ti  Ti1  1  0.158  0.954  0.822  1.0
  Ti  Ti2  1  0.662  0.449  0.819  1.0
  Bi  Bi3  1  0.577  0.999  0.602  1.0
  Bi  Bi4  1  0.980  0.988  0.398  1.0
  Bi  Bi5  1  0.434  0.493  0.400  1.0
  Bi  Bi6  1  0.030  0.496  0.602  1.0
  Bi  Bi7  1  0.244  0.509  0.983  1.0
  Bi  Bi8  1  0.729  0.996  0.984  1.0
  W  W9  1  0.832  0.447  0.171  1.0
  O  O10  1  0.746  0.729  0.499  1.0
  O  O11  1  0.248  0.729  0.503  1.0
  O  O12  1  0.257  0.231  0.502  1.0
  O  O13  1  0.757  0.230  0.499  1.0
  O  O14  1  0.367  0.632  0.833  1.0
  O  O15  1  0.546  0.639  0.179  1.0
  O  O16  1  0.637  0.142  0.179  1.0
  O  O17  1  0.469  0.135  0.833  1.0
  O  O18  1  0.326  0.913  0.004  1.0
  O  O19  1  0.683  0.412  0.010  1.0
  O  O20  1  0.902  0.714  0.868  1.0
  O  O21  1  0.029  0.712  0.136  1.0
  O  O22  1  0.100  0.219  0.139  1.0
  O  O23  1  0.963  0.217  0.864  1.0
  O  O24  1  0.338  0.936  0.315  1.0
  O  O25  1  0.032  0.941  0.685  1.0
  O  O26  1  0.649  0.444  0.682  1.0
  O  O27  1  0.969  0.445  0.315  1.0
[/CIF]
.
The structure described by Bi6Ti3WO18 crystallizes in the triclinic P1 space group. There are three inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(12), one O(13), one O(15), one O(6), one O(7), and one O(9) atom to form distorted TiO6 octahedra that share corners with four equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-29°. In the second Ti site, Ti(2) is bonded in a 6-coordinate geometry to one O(11), one O(14), one O(16), one O(5), one O(8), and one O(9) atom. In the third Ti site, Ti(3) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(14), one O(17), one O(5), and one O(8) atom. W(1) is bonded to one O(10), one O(12), one O(13), one O(18), one O(6), and one O(7) atom to form WO6 octahedra that share corners with four equivalent Ti(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-29°. There are six inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 6-coordinate geometry to one O(1), one O(16), one O(17), one O(2), one O(3), and one O(4) atom. In the second Bi site, Bi(2) is bonded in a 6-coordinate geometry to one O(1), one O(15), one O(18), one O(2), one O(3), and one O(4) atom. In the third Bi site, Bi(3) is bonded in a 6-coordinate geometry to one O(1), one O(15), one O(18), one O(2), one O(3), and one O(4) atom. In the fourth Bi site, Bi(4) is bonded in a 6-coordinate geometry to one O(1), one O(16), one O(17), one O(2), one O(3), and one O(4) atom. In the fifth Bi site, Bi(5) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(13), one O(14), one O(5), one O(6), and one O(9) atom. In the sixth Bi site, Bi(6) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(13), one O(14), one O(7), one O(8), and one O(9) atom. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded to one Bi(1), one Bi(2), one Bi(3), and one Bi(4) atom to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the second O site, O(2) is bonded to one Bi(1), one Bi(2), one Bi(3), and one Bi(4) atom to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the third O site, O(3) is bonded to one Bi(1), one Bi(2), one Bi(3), and one Bi(4) atom to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the fourth O site, O(4) is bonded to one Bi(1), one Bi(2), one Bi(3), and one Bi(4) atom to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Ti(2), one Ti(3), and one Bi(5) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Ti(1), one W(1), and one Bi(5) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Ti(1), one W(1), and one Bi(6) atom. In the eighth O site, O(8) is bonded in a distorted T-shaped geometry to one Ti(2), one Ti(3), and one Bi(6) atom. In the ninth O site, O(9) is bonded in a see-saw-like geometry to one Ti(1), one Ti(2), one Bi(5), and one Bi(6) atom. In the tenth O site, O(10) is bonded in a distorted see-saw-like geometry to one Ti(3), one W(1), one Bi(5), and one Bi(6) atom. In the eleventh O site, O(11) is bonded in a distorted tetrahedral geometry to one Ti(2), one Ti(3), one Bi(5), and one Bi(6) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one Ti(1), one W(1), one Bi(5), and one Bi(6) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 150 degrees geometry to one Ti(1), one W(1), one Bi(5), and one Bi(6) atom. In the fourteenth O site, O(14) is bonded in a 4-coordinate geometry to one Ti(2), one Ti(3), one Bi(5), and one Bi(6) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one Ti(1), one Bi(2), and one Bi(3) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one Ti(2), one Bi(1), and one Bi(4) atom. In the seventeenth O site, O(17) is bonded in a distorted single-bond geometry to one Ti(3), one Bi(1), and one Bi(4) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one W(1), one Bi(2), and one Bi(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ti3Bi6WO18
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.408
_cell_length_b   5.454
_cell_length_c   13.067
_cell_angle_alpha   90.410
_cell_angle_beta   101.790
_cell_angle_gamma   89.932
_symmetry_Int_Tables_number   1
_cell_volume   377.243
_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
  Ti  Ti0  1  0.336  0.958  0.176  1.0
  Ti  Ti1  1  0.158  0.954  0.822  1.0
  Ti  Ti2  1  0.662  0.449  0.819  1.0
  Bi  Bi3  1  0.577  0.999  0.602  1.0
  Bi  Bi4  1  0.980  0.988  0.398  1.0
  Bi  Bi5  1  0.434  0.493  0.400  1.0
  Bi  Bi6  1  0.030  0.496  0.602  1.0
  Bi  Bi7  1  0.244  0.509  0.983  1.0
  Bi  Bi8  1  0.729  0.996  0.984  1.0
  W  W9  1  0.832  0.447  0.171  1.0
  O  O10  1  0.746  0.729  0.499  1.0
  O  O11  1  0.248  0.729  0.503  1.0
  O  O12  1  0.257  0.231  0.502  1.0
  O  O13  1  0.757  0.230  0.499  1.0
  O  O14  1  0.367  0.632  0.833  1.0
  O  O15  1  0.546  0.639  0.179  1.0
  O  O16  1  0.637  0.142  0.179  1.0
  O  O17  1  0.469  0.135  0.833  1.0
  O  O18  1  0.326  0.913  0.004  1.0
  O  O19  1  0.683  0.412  0.010  1.0
  O  O20  1  0.902  0.714  0.868  1.0
  O  O21  1  0.029  0.712  0.136  1.0
  O  O22  1  0.100  0.219  0.139  1.0
  O  O23  1  0.963  0.217  0.864  1.0
  O  O24  1  0.338  0.936  0.315  1.0
  O  O25  1  0.032  0.941  0.685  1.0
  O  O26  1  0.649  0.444  0.682  1.0
  O  O27  1  0.969  0.445  0.315  1.0
[/CIF]
.