The crystal structure described by SrWP2O8 crystallizes in the triclinic P-1 space group. Sr(1) is bonded in a 6-coordinate geometry to one O(2), one O(4), two equivalent O(1), and two equivalent O(6) atoms. W(1) is bonded to one O(3), one O(4), one O(5), one O(7), and two equivalent O(8) atoms to form WO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  an edgeedge with one W(1)O6 octahedra, and  an edgeedge with one P(2)O4 tetrahedra. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(7) atom to form PO4 tetrahedra that share corners with two equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-47°. In the second P site, P(2) is bonded to one O(4), one O(5), one O(6), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent W(1)O6 octahedra and  an edgeedge with one W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-58°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to two equivalent Sr(1) and one P(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Sr(1) and one P(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one W(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Sr(1), one W(1), and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted L-shaped geometry to one W(1) and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to two equivalent Sr(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one W(1) and one P(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to two equivalent W(1) and one P(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_SrP2WO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.756
_cell_length_b   7.148
_cell_length_c   9.335
_cell_angle_alpha   110.902
_cell_angle_beta   100.408
_cell_angle_gamma   98.350
_symmetry_Int_Tables_number   1
_cell_volume   343.600
_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
  Sr  Sr0  1  0.247  0.752  0.021  1.0
  Sr  Sr1  1  0.753  0.248  0.979  1.0
  P  P2  1  0.387  0.447  0.232  1.0
  P  P3  1  0.613  0.553  0.768  1.0
  P  P4  1  0.845  0.038  0.304  1.0
  P  P5  1  0.155  0.962  0.696  1.0
  W  W6  1  0.664  0.844  0.564  1.0
  W  W7  1  0.336  0.156  0.436  1.0
  O  O8  1  0.836  0.554  0.885  1.0
  O  O9  1  0.620  0.486  0.183  1.0
  O  O10  1  0.645  0.767  0.748  1.0
  O  O11  1  0.955  0.096  0.706  1.0
  O  O12  1  0.380  0.514  0.817  1.0
  O  O13  1  0.993  0.749  0.576  1.0
  O  O14  1  0.007  0.251  0.424  1.0
  O  O15  1  0.286  0.984  0.859  1.0
  O  O16  1  0.355  0.233  0.252  1.0
  O  O17  1  0.714  0.016  0.141  1.0
  O  O18  1  0.164  0.446  0.115  1.0
  O  O19  1  0.403  0.614  0.401  1.0
  O  O20  1  0.597  0.386  0.599  1.0
  O  O21  1  0.641  0.976  0.388  1.0
  O  O22  1  0.045  0.904  0.294  1.0
  O  O23  1  0.359  0.024  0.612  1.0
[/CIF]
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The crystal structure described by SrWP2O8 crystallizes in the triclinic P-1 space group. Sr(1) is bonded in a 6-coordinate geometry to one O(2), one O(4), two equivalent O(1), and two equivalent O(6) atoms. W(1) is bonded to one O(3), one O(4), one O(5), one O(7), and two equivalent O(8) atoms to form WO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  an edgeedge with one W(1)O6 octahedra, and  an edgeedge with one P(2)O4 tetrahedra. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(7) atom to form PO4 tetrahedra that share corners with two equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-47°. In the second P site, P(2) is bonded to one O(4), one O(5), one O(6), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent W(1)O6 octahedra and  an edgeedge with one W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-58°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to two equivalent Sr(1) and one P(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Sr(1) and one P(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one W(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Sr(1), one W(1), and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted L-shaped geometry to one W(1) and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to two equivalent Sr(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one W(1) and one P(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to two equivalent W(1) and one P(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_SrP2WO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.756
_cell_length_b   7.148
_cell_length_c   9.335
_cell_angle_alpha   110.902
_cell_angle_beta   100.408
_cell_angle_gamma   98.350
_symmetry_Int_Tables_number   1
_cell_volume   343.600
_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
  Sr  Sr0  1  0.247  0.752  0.021  1.0
  Sr  Sr1  1  0.753  0.248  0.979  1.0
  P  P2  1  0.387  0.447  0.232  1.0
  P  P3  1  0.613  0.553  0.768  1.0
  P  P4  1  0.845  0.038  0.304  1.0
  P  P5  1  0.155  0.962  0.696  1.0
  W  W6  1  0.664  0.844  0.564  1.0
  W  W7  1  0.336  0.156  0.436  1.0
  O  O8  1  0.836  0.554  0.885  1.0
  O  O9  1  0.620  0.486  0.183  1.0
  O  O10  1  0.645  0.767  0.748  1.0
  O  O11  1  0.955  0.096  0.706  1.0
  O  O12  1  0.380  0.514  0.817  1.0
  O  O13  1  0.993  0.749  0.576  1.0
  O  O14  1  0.007  0.251  0.424  1.0
  O  O15  1  0.286  0.984  0.859  1.0
  O  O16  1  0.355  0.233  0.252  1.0
  O  O17  1  0.714  0.016  0.141  1.0
  O  O18  1  0.164  0.446  0.115  1.0
  O  O19  1  0.403  0.614  0.401  1.0
  O  O20  1  0.597  0.386  0.599  1.0
  O  O21  1  0.641  0.976  0.388  1.0
  O  O22  1  0.045  0.904  0.294  1.0
  O  O23  1  0.359  0.024  0.612  1.0
[/CIF]
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