The material structure described by W3V5O20 crystallizes in the triclinic P1 space group. There are five inequivalent V sites. In the first V site, V(1) is bonded in a 6-coordinate geometry to one O(15), one O(16), one O(4), one O(8), and two equivalent O(5) atoms. In the second V site, V(2) is bonded in a 5-coordinate geometry to one O(17), one O(18), one O(3), one O(6), and one O(7) atom. In the third V site, V(3) is bonded in a 6-coordinate geometry to one O(1), one O(14), one O(16), one O(4), and two equivalent O(10) atoms. In the fourth V site, V(4) is bonded in a 6-coordinate geometry to one O(14), one O(17), one O(2), one O(3), and two equivalent O(11) atoms. In the fifth V site, V(5) is bonded in a 6-coordinate geometry to one O(13), one O(18), one O(2), one O(3), and two equivalent O(12) atoms. There are three inequivalent W sites. In the first W site, W(1) is bonded in a 6-coordinate geometry to one O(1), one O(15), one O(16), one O(7), and two equivalent O(19) atoms. In the second W site, W(2) is bonded in a 6-coordinate geometry to one O(17), one O(18), one O(2), one O(8), and two equivalent O(20) atoms. In the third W site, W(3) is bonded in a 6-coordinate geometry to one O(1), one O(13), one O(15), one O(4), and two equivalent O(9) atoms. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one V(3), one W(1), and one W(3) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one V(4), one V(5), and one W(2) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one V(2), one V(4), and one V(5) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one V(1), one V(3), and one W(3) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to two equivalent V(1) atoms. In the sixth O site, O(6) is bonded in a single-bond geometry to one V(2) atom. In the seventh O site, O(7) is bonded in a linear geometry to one V(2) and one W(1) atom. In the eighth O site, O(8) is bonded in a linear geometry to one V(1) and one W(2) atom. In the ninth O site, O(9) is bonded in a distorted linear geometry to two equivalent W(3) atoms. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to two equivalent V(3) atoms. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to two equivalent V(4) atoms. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to two equivalent V(5) atoms. In the thirteenth O site, O(13) is bonded in a linear geometry to one V(5) and one W(3) atom. In the fourteenth O site, O(14) is bonded in a linear geometry to one V(3) and one V(4) atom. In the fifteenth O site, O(15) is bonded in a distorted trigonal non-coplanar geometry to one V(1), one W(1), and one W(3) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal non-coplanar geometry to one V(1), one V(3), and one W(1) atom. In the seventeenth O site, O(17) is bonded in a distorted T-shaped geometry to one V(2), one V(4), and one W(2) atom. In the eighteenth O site, O(18) is bonded in a distorted T-shaped geometry to one V(2), one V(5), and one W(2) atom. In the nineteenth O site, O(19) is bonded in a distorted linear geometry to two equivalent W(1) atoms. In the twentieth O site, O(20) is bonded in a distorted linear geometry to two equivalent W(2) atoms. is represented by the CIF file [CIF]
data_V5W3O20
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.118
_cell_length_b   7.565
_cell_length_c   12.829
_cell_angle_alpha   72.775
_cell_angle_beta   90.684
_cell_angle_gamma   89.936
_symmetry_Int_Tables_number   1
_cell_volume   381.686
_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
  V  V0  1  0.905  0.828  0.345  1.0
  V  V1  1  0.086  0.173  0.661  1.0
  V  V2  1  0.103  0.174  0.151  1.0
  V  V3  1  0.907  0.321  0.859  1.0
  V  V4  1  0.891  0.829  0.842  1.0
  W  W5  1  0.928  0.319  0.357  1.0
  W  W6  1  0.074  0.674  0.648  1.0
  W  W7  1  0.088  0.680  0.144  1.0
  O  O8  1  0.004  0.413  0.183  1.0
  O  O9  1  0.991  0.585  0.814  1.0
  O  O10  1  0.000  0.101  0.812  1.0
  O  O11  1  0.004  0.903  0.183  1.0
  O  O12  1  0.510  0.823  0.356  1.0
  O  O13  1  0.475  0.174  0.648  1.0
  O  O14  1  0.987  0.244  0.505  1.0
  O  O15  1  0.003  0.751  0.503  1.0
  O  O16  1  0.520  0.672  0.153  1.0
  O  O17  1  0.500  0.173  0.148  1.0
  O  O18  1  0.510  0.322  0.847  1.0
  O  O19  1  0.495  0.830  0.853  1.0
  O  O20  1  0.014  0.749  0.999  1.0
  O  O21  1  0.991  0.252  0.996  1.0
  O  O22  1  0.012  0.584  0.320  1.0
  O  O23  1  0.012  0.097  0.319  1.0
  O  O24  1  0.996  0.411  0.672  1.0
  O  O25  1  0.991  0.913  0.679  1.0
  O  O26  1  0.497  0.327  0.349  1.0
  O  O27  1  0.505  0.674  0.655  1.0
[/CIF]
.
The material structure described by W3V5O20 crystallizes in the triclinic P1 space group. There are five inequivalent V sites. In the first V site, V(1) is bonded in a 6-coordinate geometry to one O(15), one O(16), one O(4), one O(8), and two equivalent O(5) atoms. In the second V site, V(2) is bonded in a 5-coordinate geometry to one O(17), one O(18), one O(3), one O(6), and one O(7) atom. In the third V site, V(3) is bonded in a 6-coordinate geometry to one O(1), one O(14), one O(16), one O(4), and two equivalent O(10) atoms. In the fourth V site, V(4) is bonded in a 6-coordinate geometry to one O(14), one O(17), one O(2), one O(3), and two equivalent O(11) atoms. In the fifth V site, V(5) is bonded in a 6-coordinate geometry to one O(13), one O(18), one O(2), one O(3), and two equivalent O(12) atoms. There are three inequivalent W sites. In the first W site, W(1) is bonded in a 6-coordinate geometry to one O(1), one O(15), one O(16), one O(7), and two equivalent O(19) atoms. In the second W site, W(2) is bonded in a 6-coordinate geometry to one O(17), one O(18), one O(2), one O(8), and two equivalent O(20) atoms. In the third W site, W(3) is bonded in a 6-coordinate geometry to one O(1), one O(13), one O(15), one O(4), and two equivalent O(9) atoms. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one V(3), one W(1), and one W(3) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one V(4), one V(5), and one W(2) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one V(2), one V(4), and one V(5) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one V(1), one V(3), and one W(3) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to two equivalent V(1) atoms. In the sixth O site, O(6) is bonded in a single-bond geometry to one V(2) atom. In the seventh O site, O(7) is bonded in a linear geometry to one V(2) and one W(1) atom. In the eighth O site, O(8) is bonded in a linear geometry to one V(1) and one W(2) atom. In the ninth O site, O(9) is bonded in a distorted linear geometry to two equivalent W(3) atoms. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to two equivalent V(3) atoms. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to two equivalent V(4) atoms. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to two equivalent V(5) atoms. In the thirteenth O site, O(13) is bonded in a linear geometry to one V(5) and one W(3) atom. In the fourteenth O site, O(14) is bonded in a linear geometry to one V(3) and one V(4) atom. In the fifteenth O site, O(15) is bonded in a distorted trigonal non-coplanar geometry to one V(1), one W(1), and one W(3) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal non-coplanar geometry to one V(1), one V(3), and one W(1) atom. In the seventeenth O site, O(17) is bonded in a distorted T-shaped geometry to one V(2), one V(4), and one W(2) atom. In the eighteenth O site, O(18) is bonded in a distorted T-shaped geometry to one V(2), one V(5), and one W(2) atom. In the nineteenth O site, O(19) is bonded in a distorted linear geometry to two equivalent W(1) atoms. In the twentieth O site, O(20) is bonded in a distorted linear geometry to two equivalent W(2) atoms. is represented by the CIF file [CIF]
data_V5W3O20
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.118
_cell_length_b   7.565
_cell_length_c   12.829
_cell_angle_alpha   72.775
_cell_angle_beta   90.684
_cell_angle_gamma   89.936
_symmetry_Int_Tables_number   1
_cell_volume   381.686
_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
  V  V0  1  0.905  0.828  0.345  1.0
  V  V1  1  0.086  0.173  0.661  1.0
  V  V2  1  0.103  0.174  0.151  1.0
  V  V3  1  0.907  0.321  0.859  1.0
  V  V4  1  0.891  0.829  0.842  1.0
  W  W5  1  0.928  0.319  0.357  1.0
  W  W6  1  0.074  0.674  0.648  1.0
  W  W7  1  0.088  0.680  0.144  1.0
  O  O8  1  0.004  0.413  0.183  1.0
  O  O9  1  0.991  0.585  0.814  1.0
  O  O10  1  0.000  0.101  0.812  1.0
  O  O11  1  0.004  0.903  0.183  1.0
  O  O12  1  0.510  0.823  0.356  1.0
  O  O13  1  0.475  0.174  0.648  1.0
  O  O14  1  0.987  0.244  0.505  1.0
  O  O15  1  0.003  0.751  0.503  1.0
  O  O16  1  0.520  0.672  0.153  1.0
  O  O17  1  0.500  0.173  0.148  1.0
  O  O18  1  0.510  0.322  0.847  1.0
  O  O19  1  0.495  0.830  0.853  1.0
  O  O20  1  0.014  0.749  0.999  1.0
  O  O21  1  0.991  0.252  0.996  1.0
  O  O22  1  0.012  0.584  0.320  1.0
  O  O23  1  0.012  0.097  0.319  1.0
  O  O24  1  0.996  0.411  0.672  1.0
  O  O25  1  0.991  0.913  0.679  1.0
  O  O26  1  0.497  0.327  0.349  1.0
  O  O27  1  0.505  0.674  0.655  1.0
[/CIF]
.