The material structure described by V4O7 crystallizes in the triclinic P-1 space group. There are four inequivalent V sites. In the first V site, V(1) is bonded in a 5-coordinate geometry to one O(3), one O(6), one O(7), and two equivalent O(5) atoms. In the second V site, V(2) is bonded to one O(2), one O(3), one O(6), and two equivalent O(1) atoms to form distorted VO5 trigonal bipyramids that share  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one V(3)O5 trigonal bipyramid, edges with two equivalent V(4)O6 octahedra, and  an edgeedge with one V(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 64°. In the third V site, V(3) is bonded to one O(2), one O(4), one O(5), and two equivalent O(7) atoms to form distorted VO5 trigonal bipyramids that share corners with three equivalent V(4)O6 octahedra,  a cornercorner with one V(2)O5 trigonal bipyramid,  an edgeedge with one V(4)O6 octahedra, and  an edgeedge with one V(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 18-69°. In the fourth V site, V(4) is bonded to one O(1), one O(3), one O(4), one O(7), and two equivalent O(2) atoms to form distorted VO6 octahedra that share  a cornercorner with one V(2)O5 trigonal bipyramid, corners with three equivalent V(3)O5 trigonal bipyramids,  an edgeedge with one V(4)O6 octahedra,  an edgeedge with one V(3)O5 trigonal bipyramid, and edges with two equivalent V(2)O5 trigonal bipyramids. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one V(4) and two equivalent V(2) atoms. In the second O site, O(2) is bonded to one V(2), one V(3), and two equivalent V(4) atoms to form edge-sharing OV4 tetrahedra. In the third O site, O(3) is bonded in a trigonal non-coplanar geometry to one V(1), one V(2), and one V(4) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one V(3) and one V(4) atom. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one V(3) and two equivalent V(1) atoms. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one V(1) and one V(2) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one V(1), one V(4), and two equivalent V(3) atoms. is represented by the CIF card [CIF]
data_V4O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.718
_cell_length_b   6.735
_cell_length_c   6.435
_cell_angle_alpha   68.531
_cell_angle_beta   87.677
_cell_angle_gamma   86.625
_symmetry_Int_Tables_number   1
_cell_volume   270.418
_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
  V  V0  1  0.639  0.062  0.289  1.0
  V  V1  1  0.361  0.938  0.711  1.0
  V  V2  1  0.600  0.391  0.714  1.0
  V  V3  1  0.400  0.609  0.286  1.0
  V  V4  1  0.103  0.184  0.303  1.0
  V  V5  1  0.897  0.816  0.697  1.0
  V  V6  1  0.137  0.357  0.703  1.0
  V  V7  1  0.863  0.643  0.297  1.0
  O  O8  1  0.648  0.417  0.394  1.0
  O  O9  1  0.352  0.583  0.606  1.0
  O  O10  1  0.135  0.448  0.356  1.0
  O  O11  1  0.865  0.552  0.644  1.0
  O  O12  1  0.613  0.818  0.233  1.0
  O  O13  1  0.387  0.182  0.767  1.0
  O  O14  1  0.923  0.724  0.984  1.0
  O  O15  1  0.077  0.276  0.016  1.0
  O  O16  1  0.648  0.956  0.622  1.0
  O  O17  1  0.352  0.044  0.378  1.0
  O  O18  1  0.364  0.724  0.966  1.0
  O  O19  1  0.066  0.069  0.650  1.0
  O  O20  1  0.934  0.931  0.350  1.0
  O  O21  1  0.636  0.276  0.034  1.0
[/CIF]
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The material structure described by V4O7 crystallizes in the triclinic P-1 space group. There are four inequivalent V sites. In the first V site, V(1) is bonded in a 5-coordinate geometry to one O(3), one O(6), one O(7), and two equivalent O(5) atoms. In the second V site, V(2) is bonded to one O(2), one O(3), one O(6), and two equivalent O(1) atoms to form distorted VO5 trigonal bipyramids that share  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one V(3)O5 trigonal bipyramid, edges with two equivalent V(4)O6 octahedra, and  an edgeedge with one V(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 64°. In the third V site, V(3) is bonded to one O(2), one O(4), one O(5), and two equivalent O(7) atoms to form distorted VO5 trigonal bipyramids that share corners with three equivalent V(4)O6 octahedra,  a cornercorner with one V(2)O5 trigonal bipyramid,  an edgeedge with one V(4)O6 octahedra, and  an edgeedge with one V(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 18-69°. In the fourth V site, V(4) is bonded to one O(1), one O(3), one O(4), one O(7), and two equivalent O(2) atoms to form distorted VO6 octahedra that share  a cornercorner with one V(2)O5 trigonal bipyramid, corners with three equivalent V(3)O5 trigonal bipyramids,  an edgeedge with one V(4)O6 octahedra,  an edgeedge with one V(3)O5 trigonal bipyramid, and edges with two equivalent V(2)O5 trigonal bipyramids. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one V(4) and two equivalent V(2) atoms. In the second O site, O(2) is bonded to one V(2), one V(3), and two equivalent V(4) atoms to form edge-sharing OV4 tetrahedra. In the third O site, O(3) is bonded in a trigonal non-coplanar geometry to one V(1), one V(2), and one V(4) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one V(3) and one V(4) atom. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one V(3) and two equivalent V(1) atoms. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one V(1) and one V(2) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one V(1), one V(4), and two equivalent V(3) atoms. is represented by the CIF card [CIF]
data_V4O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.718
_cell_length_b   6.735
_cell_length_c   6.435
_cell_angle_alpha   68.531
_cell_angle_beta   87.677
_cell_angle_gamma   86.625
_symmetry_Int_Tables_number   1
_cell_volume   270.418
_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
  V  V0  1  0.639  0.062  0.289  1.0
  V  V1  1  0.361  0.938  0.711  1.0
  V  V2  1  0.600  0.391  0.714  1.0
  V  V3  1  0.400  0.609  0.286  1.0
  V  V4  1  0.103  0.184  0.303  1.0
  V  V5  1  0.897  0.816  0.697  1.0
  V  V6  1  0.137  0.357  0.703  1.0
  V  V7  1  0.863  0.643  0.297  1.0
  O  O8  1  0.648  0.417  0.394  1.0
  O  O9  1  0.352  0.583  0.606  1.0
  O  O10  1  0.135  0.448  0.356  1.0
  O  O11  1  0.865  0.552  0.644  1.0
  O  O12  1  0.613  0.818  0.233  1.0
  O  O13  1  0.387  0.182  0.767  1.0
  O  O14  1  0.923  0.724  0.984  1.0
  O  O15  1  0.077  0.276  0.016  1.0
  O  O16  1  0.648  0.956  0.622  1.0
  O  O17  1  0.352  0.044  0.378  1.0
  O  O18  1  0.364  0.724  0.966  1.0
  O  O19  1  0.066  0.069  0.650  1.0
  O  O20  1  0.934  0.931  0.350  1.0
  O  O21  1  0.636  0.276  0.034  1.0
[/CIF]
.