The crystal structure described by VO(PO3)2 crystallizes in the monoclinic C2 space group. V(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form VO6 octahedra that share corners with six equivalent P(1)O4 tetrahedra. P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share corners with three equivalent V(1)O6 octahedra and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 17-49°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to two equivalent P(1) atoms. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one V(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one V(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a linear geometry to one V(1) and one P(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_VP2O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.546
_cell_length_b   5.145
_cell_length_c   5.145
_cell_angle_alpha   100.691
_cell_angle_beta   97.252
_cell_angle_gamma   97.252
_symmetry_Int_Tables_number   1
_cell_volume   115.928
_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
  O  O0  1  0.500  0.452  0.548  1.0
  O  O1  1  0.292  0.194  0.081  1.0
  O  O2  1  0.708  0.919  0.806  1.0
  O  O3  1  0.196  0.679  0.862  1.0
  O  O4  1  0.804  0.138  0.321  1.0
  O  O5  1  0.266  0.850  0.437  1.0
  O  O6  1  0.734  0.563  0.150  1.0
  P  P7  1  0.585  0.334  0.259  1.0
  P  P8  1  0.415  0.741  0.666  1.0
  V  V9  1  1.000  0.884  0.116  1.0
[/CIF]
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The crystal structure described by VO(PO3)2 crystallizes in the monoclinic C2 space group. V(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form VO6 octahedra that share corners with six equivalent P(1)O4 tetrahedra. P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share corners with three equivalent V(1)O6 octahedra and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 17-49°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to two equivalent P(1) atoms. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one V(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one V(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a linear geometry to one V(1) and one P(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_VP2O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.546
_cell_length_b   5.145
_cell_length_c   5.145
_cell_angle_alpha   100.691
_cell_angle_beta   97.252
_cell_angle_gamma   97.252
_symmetry_Int_Tables_number   1
_cell_volume   115.928
_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
  O  O0  1  0.500  0.452  0.548  1.0
  O  O1  1  0.292  0.194  0.081  1.0
  O  O2  1  0.708  0.919  0.806  1.0
  O  O3  1  0.196  0.679  0.862  1.0
  O  O4  1  0.804  0.138  0.321  1.0
  O  O5  1  0.266  0.850  0.437  1.0
  O  O6  1  0.734  0.563  0.150  1.0
  P  P7  1  0.585  0.334  0.259  1.0
  P  P8  1  0.415  0.741  0.666  1.0
  V  V9  1  1.000  0.884  0.116  1.0
[/CIF]
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