The structure described by Ba3WO6 crystallizes in the triclinic P1 space group. There are six inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 6-coordinate geometry to one O(10), one O(12), one O(2), one O(5), one O(8), and one O(9) atom. In the second Ba site, Ba(2) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(4), one O(7), one O(8), and one O(9) atom. In the third Ba site, Ba(3) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(12), one O(2), one O(4), and one O(6) atom. In the fourth Ba site, Ba(4) is bonded in a 8-coordinate geometry to one O(11), one O(12), one O(2), one O(3), one O(5), one O(6), one O(8), and one O(9) atom. In the fifth Ba site, Ba(5) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(3), one O(4), one O(6), one O(7), one O(8), and one O(9) atom. In the sixth Ba site, Ba(6) is bonded in a 7-coordinate geometry to one O(11), one O(2), one O(3), one O(4), one O(5), one O(7), and one O(8) atom. There are two inequivalent W sites. In the first W site, W(1) is bonded in an octahedral geometry to one O(1), one O(11), one O(12), one O(2), one O(3), and one O(4) atom. In the second W site, W(2) is bonded in a trigonal bipyramidal geometry to one O(10), one O(5), one O(6), one O(7), and one O(9) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Ba(2), one Ba(3), one Ba(5), and one W(1) atom to form distorted OBa3W tetrahedra that share corners with two equivalent O(12)Ba3W tetrahedra, corners with two equivalent O(10)Ba3W trigonal pyramids, and  an edgeedge with one O(8)Ba5 square pyramid. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Ba(1), one Ba(3), one Ba(4), one Ba(6), and one W(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Ba(4), one Ba(5), one Ba(6), and one W(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Ba(2), one Ba(3), one Ba(5), one Ba(6), and one W(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(4), one Ba(6), and one W(2) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Ba(3), one Ba(4), one Ba(5), and one W(2) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Ba(2), one Ba(5), one Ba(6), and one W(2) atom. In the eighth O site, O(8) is bonded to one Ba(1), one Ba(2), one Ba(4), one Ba(5), and one Ba(6) atom to form a mixture of distorted corner and edge-sharing OBa5 square pyramids. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Ba(1), one Ba(2), one Ba(4), one Ba(5), and one W(2) atom. In the tenth O site, O(10) is bonded to one Ba(1), one Ba(2), one Ba(3), and one W(2) atom to form distorted OBa3W trigonal pyramids that share corners with two equivalent O(8)Ba5 square pyramids, corners with two equivalent O(1)Ba3W tetrahedra, and corners with two equivalent O(12)Ba3W tetrahedra. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Ba(4), one Ba(5), one Ba(6), and one W(1) atom. In the twelfth O site, O(12) is bonded to one Ba(1), one Ba(3), one Ba(4), and one W(1) atom to form OBa3W tetrahedra that share corners with two equivalent O(1)Ba3W tetrahedra, corners with two equivalent O(10)Ba3W trigonal pyramids, and  an edgeedge with one O(8)Ba5 square pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ba3WO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.616
_cell_length_b   6.919
_cell_length_c   8.066
_cell_angle_alpha   90.223
_cell_angle_beta   90.091
_cell_angle_gamma   95.688
_symmetry_Int_Tables_number   1
_cell_volume   367.414
_cell_formula_units_Z   2
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
  Ba  Ba0  1  0.036  0.020  0.022  1.0
  Ba  Ba1  1  0.028  0.028  0.548  1.0
  Ba  Ba2  1  0.930  0.539  0.287  1.0
  Ba  Ba3  1  0.446  0.414  0.019  1.0
  Ba  Ba4  1  0.445  0.413  0.566  1.0
  Ba  Ba5  1  0.551  0.911  0.791  1.0
  W  W6  1  0.950  0.518  0.792  1.0
  W  W7  1  0.476  0.959  0.290  1.0
  O  O8  1  0.042  0.401  0.579  1.0
  O  O9  1  0.816  0.679  0.955  1.0
  O  O10  1  0.733  0.310  0.790  1.0
  O  O11  1  0.821  0.689  0.636  1.0
  O  O12  1  0.611  0.051  0.102  1.0
  O  O13  1  0.573  0.710  0.291  1.0
  O  O14  1  0.613  0.054  0.478  1.0
  O  O15  1  0.274  0.133  0.784  1.0
  O  O16  1  0.317  0.191  0.290  1.0
  O  O17  1  0.204  0.824  0.290  1.0
  O  O18  1  0.230  0.651  0.798  1.0
  O  O19  1  0.042  0.392  0.002  1.0
[/CIF]
.
The structure described by Ba3WO6 crystallizes in the triclinic P1 space group. There are six inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 6-coordinate geometry to one O(10), one O(12), one O(2), one O(5), one O(8), and one O(9) atom. In the second Ba site, Ba(2) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(4), one O(7), one O(8), and one O(9) atom. In the third Ba site, Ba(3) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(12), one O(2), one O(4), and one O(6) atom. In the fourth Ba site, Ba(4) is bonded in a 8-coordinate geometry to one O(11), one O(12), one O(2), one O(3), one O(5), one O(6), one O(8), and one O(9) atom. In the fifth Ba site, Ba(5) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(3), one O(4), one O(6), one O(7), one O(8), and one O(9) atom. In the sixth Ba site, Ba(6) is bonded in a 7-coordinate geometry to one O(11), one O(2), one O(3), one O(4), one O(5), one O(7), and one O(8) atom. There are two inequivalent W sites. In the first W site, W(1) is bonded in an octahedral geometry to one O(1), one O(11), one O(12), one O(2), one O(3), and one O(4) atom. In the second W site, W(2) is bonded in a trigonal bipyramidal geometry to one O(10), one O(5), one O(6), one O(7), and one O(9) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Ba(2), one Ba(3), one Ba(5), and one W(1) atom to form distorted OBa3W tetrahedra that share corners with two equivalent O(12)Ba3W tetrahedra, corners with two equivalent O(10)Ba3W trigonal pyramids, and  an edgeedge with one O(8)Ba5 square pyramid. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Ba(1), one Ba(3), one Ba(4), one Ba(6), and one W(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Ba(4), one Ba(5), one Ba(6), and one W(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Ba(2), one Ba(3), one Ba(5), one Ba(6), and one W(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(4), one Ba(6), and one W(2) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Ba(3), one Ba(4), one Ba(5), and one W(2) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Ba(2), one Ba(5), one Ba(6), and one W(2) atom. In the eighth O site, O(8) is bonded to one Ba(1), one Ba(2), one Ba(4), one Ba(5), and one Ba(6) atom to form a mixture of distorted corner and edge-sharing OBa5 square pyramids. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Ba(1), one Ba(2), one Ba(4), one Ba(5), and one W(2) atom. In the tenth O site, O(10) is bonded to one Ba(1), one Ba(2), one Ba(3), and one W(2) atom to form distorted OBa3W trigonal pyramids that share corners with two equivalent O(8)Ba5 square pyramids, corners with two equivalent O(1)Ba3W tetrahedra, and corners with two equivalent O(12)Ba3W tetrahedra. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Ba(4), one Ba(5), one Ba(6), and one W(1) atom. In the twelfth O site, O(12) is bonded to one Ba(1), one Ba(3), one Ba(4), and one W(1) atom to form OBa3W tetrahedra that share corners with two equivalent O(1)Ba3W tetrahedra, corners with two equivalent O(10)Ba3W trigonal pyramids, and  an edgeedge with one O(8)Ba5 square pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ba3WO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.616
_cell_length_b   6.919
_cell_length_c   8.066
_cell_angle_alpha   90.223
_cell_angle_beta   90.091
_cell_angle_gamma   95.688
_symmetry_Int_Tables_number   1
_cell_volume   367.414
_cell_formula_units_Z   2
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
  Ba  Ba0  1  0.036  0.020  0.022  1.0
  Ba  Ba1  1  0.028  0.028  0.548  1.0
  Ba  Ba2  1  0.930  0.539  0.287  1.0
  Ba  Ba3  1  0.446  0.414  0.019  1.0
  Ba  Ba4  1  0.445  0.413  0.566  1.0
  Ba  Ba5  1  0.551  0.911  0.791  1.0
  W  W6  1  0.950  0.518  0.792  1.0
  W  W7  1  0.476  0.959  0.290  1.0
  O  O8  1  0.042  0.401  0.579  1.0
  O  O9  1  0.816  0.679  0.955  1.0
  O  O10  1  0.733  0.310  0.790  1.0
  O  O11  1  0.821  0.689  0.636  1.0
  O  O12  1  0.611  0.051  0.102  1.0
  O  O13  1  0.573  0.710  0.291  1.0
  O  O14  1  0.613  0.054  0.478  1.0
  O  O15  1  0.274  0.133  0.784  1.0
  O  O16  1  0.317  0.191  0.290  1.0
  O  O17  1  0.204  0.824  0.290  1.0
  O  O18  1  0.230  0.651  0.798  1.0
  O  O19  1  0.042  0.392  0.002  1.0
[/CIF]
.