The crystal structure described by W5P2O19 crystallizes in the monoclinic P2_1 space group. There are five inequivalent W sites. In the first W site, W(1) is bonded to one O(12), one O(13), one O(4), one O(8), and two equivalent O(1) atoms to form WO6 octahedra that share corners with two equivalent W(1)O6 octahedra, corners with three equivalent W(5)O6 octahedra, and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 4-12°. In the second W site, W(2) is bonded to one O(16), one O(17), one O(2), one O(3), one O(6), and one O(7) atom to form WO6 octahedra that share  a cornercorner with one W(3)O6 octahedra, corners with two equivalent W(4)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 0-12°. In the third W site, W(3) is bonded to one O(11), one O(18), one O(19), one O(2), and two equivalent O(5) atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 0-10°. In the fourth W site, W(4) is bonded to one O(10), one O(11), one O(18), one O(19), one O(6), and one O(7) atom to form WO6 octahedra that share corners with two equivalent W(2)O6 octahedra, corners with three equivalent W(3)O6 octahedra, and  a cornercorner with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 2-12°. In the fifth W site, W(5) is bonded to one O(12), one O(13), one O(14), one O(15), one O(8), and one O(9) atom to form WO6 octahedra that share corners with three equivalent W(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and corners with two equivalent P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 4-12°. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(14), one O(15), one O(3), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one W(1)O6 octahedra,  a cornercorner with one W(2)O6 octahedra, and corners with two equivalent W(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-23°. In the second P site, P(2) is bonded to one O(10), one O(16), one O(17), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one W(4)O6 octahedra,  a cornercorner with one W(5)O6 octahedra, and corners with two equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 11-23°. There are nineteen inequivalent O sites. In the first O site, O(1) is bonded in a linear geometry to two equivalent W(1) atoms. In the second O site, O(2) is bonded in a linear geometry to one W(2) and one W(3) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one W(2) and one P(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one W(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a linear geometry to two equivalent W(3) atoms. In the sixth O site, O(6) is bonded in a linear geometry to one W(2) and one W(4) atom. In the seventh O site, O(7) is bonded in a linear geometry to one W(2) and one W(4) atom. In the eighth O site, O(8) is bonded in a linear geometry to one W(1) and one W(5) atom. In the ninth O site, O(9) is bonded in a linear geometry to one W(5) and one P(2) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one W(4) and one P(2) atom. In the eleventh O site, O(11) is bonded in a linear geometry to one W(3) and one W(4) atom. In the twelfth O site, O(12) is bonded in a linear geometry to one W(1) and one W(5) atom. In the thirteenth O site, O(13) is bonded in a linear geometry to one W(1) and one W(5) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one W(5) and one P(1) atom. In the fifteenth O site, O(15) is bonded in a linear geometry to one W(5) and one P(1) atom. In the sixteenth O site, O(16) is bonded in a linear geometry to one W(2) and one P(2) atom. In the seventeenth O site, O(17) is bonded in a bent 150 degrees geometry to one W(2) and one P(2) atom. In the eighteenth O site, O(18) is bonded in a linear geometry to one W(3) and one W(4) atom. In the nineteenth O site, O(19) is bonded in a linear geometry to one W(3) and one W(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_P2W5O19
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.405
_cell_length_b   6.733
_cell_length_c   21.069
_cell_angle_alpha   83.904
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   762.519
_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
  P  P0  1  0.263  0.251  0.840  1.0
  P  P1  1  0.763  0.749  0.160  1.0
  P  P2  1  0.244  0.214  0.265  1.0
  P  P3  1  0.744  0.786  0.735  1.0
  W  W4  1  0.259  0.852  0.960  1.0
  W  W5  1  0.759  0.148  0.040  1.0
  W  W6  1  0.249  0.106  0.685  1.0
  W  W7  1  0.749  0.894  0.315  1.0
  W  W8  1  0.249  0.821  0.536  1.0
  W  W9  1  0.749  0.179  0.464  1.0
  W  W10  1  0.247  0.532  0.388  1.0
  W  W11  1  0.747  0.468  0.612  1.0
  W  W12  1  0.256  0.466  0.109  1.0
  W  W13  1  0.756  0.534  0.891  1.0
  O  O14  1  0.010  0.011  0.003  1.0
  O  O15  1  0.510  0.989  0.997  1.0
  O  O16  1  0.249  0.968  0.613  1.0
  O  O17  1  0.749  0.032  0.387  1.0
  O  O18  1  0.243  0.218  0.769  1.0
  O  O19  1  0.743  0.782  0.231  1.0
  O  O20  1  0.257  0.048  0.880  1.0
  O  O21  1  0.757  0.952  0.120  1.0
  O  O22  1  0.014  0.012  0.498  1.0
  O  O23  1  0.514  0.988  0.502  1.0
  O  O24  1  0.011  0.726  0.343  1.0
  O  O25  1  0.511  0.274  0.657  1.0
  O  O26  1  0.513  0.706  0.347  1.0
  O  O27  1  0.013  0.294  0.653  1.0
  O  O28  1  0.755  0.356  0.964  1.0
  O  O29  1  0.255  0.644  0.036  1.0
  O  O30  1  0.764  0.696  0.805  1.0
  O  O31  1  0.264  0.304  0.195  1.0
  O  O32  1  0.748  0.615  0.692  1.0
  O  O33  1  0.248  0.385  0.308  1.0
  O  O34  1  0.748  0.321  0.540  1.0
  O  O35  1  0.248  0.679  0.460  1.0
  O  O36  1  0.499  0.684  0.916  1.0
  O  O37  1  0.999  0.316  0.084  1.0
  O  O38  1  0.993  0.706  0.922  1.0
  O  O39  1  0.493  0.294  0.078  1.0
  O  O40  1  0.510  0.358  0.849  1.0
  O  O41  1  0.010  0.642  0.151  1.0
  O  O42  1  0.041  0.380  0.856  1.0
  O  O43  1  0.541  0.620  0.144  1.0
  O  O44  1  0.968  0.925  0.721  1.0
  O  O45  1  0.468  0.075  0.279  1.0
  O  O46  1  0.499  0.903  0.726  1.0
  O  O47  1  0.999  0.097  0.274  1.0
  O  O48  1  0.481  0.629  0.579  1.0
  O  O49  1  0.981  0.371  0.421  1.0
  O  O50  1  0.983  0.652  0.574  1.0
  O  O51  1  0.483  0.348  0.426  1.0
[/CIF]
.
The crystal structure described by W5P2O19 crystallizes in the monoclinic P2_1 space group. There are five inequivalent W sites. In the first W site, W(1) is bonded to one O(12), one O(13), one O(4), one O(8), and two equivalent O(1) atoms to form WO6 octahedra that share corners with two equivalent W(1)O6 octahedra, corners with three equivalent W(5)O6 octahedra, and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 4-12°. In the second W site, W(2) is bonded to one O(16), one O(17), one O(2), one O(3), one O(6), and one O(7) atom to form WO6 octahedra that share  a cornercorner with one W(3)O6 octahedra, corners with two equivalent W(4)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 0-12°. In the third W site, W(3) is bonded to one O(11), one O(18), one O(19), one O(2), and two equivalent O(5) atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 0-10°. In the fourth W site, W(4) is bonded to one O(10), one O(11), one O(18), one O(19), one O(6), and one O(7) atom to form WO6 octahedra that share corners with two equivalent W(2)O6 octahedra, corners with three equivalent W(3)O6 octahedra, and  a cornercorner with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 2-12°. In the fifth W site, W(5) is bonded to one O(12), one O(13), one O(14), one O(15), one O(8), and one O(9) atom to form WO6 octahedra that share corners with three equivalent W(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and corners with two equivalent P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 4-12°. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(14), one O(15), one O(3), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one W(1)O6 octahedra,  a cornercorner with one W(2)O6 octahedra, and corners with two equivalent W(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-23°. In the second P site, P(2) is bonded to one O(10), one O(16), one O(17), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one W(4)O6 octahedra,  a cornercorner with one W(5)O6 octahedra, and corners with two equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 11-23°. There are nineteen inequivalent O sites. In the first O site, O(1) is bonded in a linear geometry to two equivalent W(1) atoms. In the second O site, O(2) is bonded in a linear geometry to one W(2) and one W(3) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one W(2) and one P(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one W(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a linear geometry to two equivalent W(3) atoms. In the sixth O site, O(6) is bonded in a linear geometry to one W(2) and one W(4) atom. In the seventh O site, O(7) is bonded in a linear geometry to one W(2) and one W(4) atom. In the eighth O site, O(8) is bonded in a linear geometry to one W(1) and one W(5) atom. In the ninth O site, O(9) is bonded in a linear geometry to one W(5) and one P(2) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one W(4) and one P(2) atom. In the eleventh O site, O(11) is bonded in a linear geometry to one W(3) and one W(4) atom. In the twelfth O site, O(12) is bonded in a linear geometry to one W(1) and one W(5) atom. In the thirteenth O site, O(13) is bonded in a linear geometry to one W(1) and one W(5) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one W(5) and one P(1) atom. In the fifteenth O site, O(15) is bonded in a linear geometry to one W(5) and one P(1) atom. In the sixteenth O site, O(16) is bonded in a linear geometry to one W(2) and one P(2) atom. In the seventeenth O site, O(17) is bonded in a bent 150 degrees geometry to one W(2) and one P(2) atom. In the eighteenth O site, O(18) is bonded in a linear geometry to one W(3) and one W(4) atom. In the nineteenth O site, O(19) is bonded in a linear geometry to one W(3) and one W(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_P2W5O19
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.405
_cell_length_b   6.733
_cell_length_c   21.069
_cell_angle_alpha   83.904
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   762.519
_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
  P  P0  1  0.263  0.251  0.840  1.0
  P  P1  1  0.763  0.749  0.160  1.0
  P  P2  1  0.244  0.214  0.265  1.0
  P  P3  1  0.744  0.786  0.735  1.0
  W  W4  1  0.259  0.852  0.960  1.0
  W  W5  1  0.759  0.148  0.040  1.0
  W  W6  1  0.249  0.106  0.685  1.0
  W  W7  1  0.749  0.894  0.315  1.0
  W  W8  1  0.249  0.821  0.536  1.0
  W  W9  1  0.749  0.179  0.464  1.0
  W  W10  1  0.247  0.532  0.388  1.0
  W  W11  1  0.747  0.468  0.612  1.0
  W  W12  1  0.256  0.466  0.109  1.0
  W  W13  1  0.756  0.534  0.891  1.0
  O  O14  1  0.010  0.011  0.003  1.0
  O  O15  1  0.510  0.989  0.997  1.0
  O  O16  1  0.249  0.968  0.613  1.0
  O  O17  1  0.749  0.032  0.387  1.0
  O  O18  1  0.243  0.218  0.769  1.0
  O  O19  1  0.743  0.782  0.231  1.0
  O  O20  1  0.257  0.048  0.880  1.0
  O  O21  1  0.757  0.952  0.120  1.0
  O  O22  1  0.014  0.012  0.498  1.0
  O  O23  1  0.514  0.988  0.502  1.0
  O  O24  1  0.011  0.726  0.343  1.0
  O  O25  1  0.511  0.274  0.657  1.0
  O  O26  1  0.513  0.706  0.347  1.0
  O  O27  1  0.013  0.294  0.653  1.0
  O  O28  1  0.755  0.356  0.964  1.0
  O  O29  1  0.255  0.644  0.036  1.0
  O  O30  1  0.764  0.696  0.805  1.0
  O  O31  1  0.264  0.304  0.195  1.0
  O  O32  1  0.748  0.615  0.692  1.0
  O  O33  1  0.248  0.385  0.308  1.0
  O  O34  1  0.748  0.321  0.540  1.0
  O  O35  1  0.248  0.679  0.460  1.0
  O  O36  1  0.499  0.684  0.916  1.0
  O  O37  1  0.999  0.316  0.084  1.0
  O  O38  1  0.993  0.706  0.922  1.0
  O  O39  1  0.493  0.294  0.078  1.0
  O  O40  1  0.510  0.358  0.849  1.0
  O  O41  1  0.010  0.642  0.151  1.0
  O  O42  1  0.041  0.380  0.856  1.0
  O  O43  1  0.541  0.620  0.144  1.0
  O  O44  1  0.968  0.925  0.721  1.0
  O  O45  1  0.468  0.075  0.279  1.0
  O  O46  1  0.499  0.903  0.726  1.0
  O  O47  1  0.999  0.097  0.274  1.0
  O  O48  1  0.481  0.629  0.579  1.0
  O  O49  1  0.981  0.371  0.421  1.0
  O  O50  1  0.983  0.652  0.574  1.0
  O  O51  1  0.483  0.348  0.426  1.0
[/CIF]
.