The material structure described by V6O11 crystallizes in the orthorhombic Cmcm space group. There are four inequivalent V sites. In the first V site, V(1) is bonded to one O(2), one O(4), two equivalent O(1), and two equivalent O(3) atoms to form VO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with four equivalent V(3)O6 octahedra, corners with three equivalent V(4)O5 trigonal bipyramids, and  a faceface with one V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. In the second V site, V(2) is bonded to two equivalent O(5) and four equivalent O(3) atoms to form VO6 octahedra that share corners with four equivalent V(1)O6 octahedra, corners with two equivalent V(4)O5 trigonal bipyramids, and edges with four equivalent V(3)O6 octahedra. The corner-sharing octahedral tilt angles are 53°. In the third V site, V(3) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms to form VO6 octahedra that share corners with four equivalent V(1)O6 octahedra, corners with two equivalent V(4)O5 trigonal bipyramids, edges with two equivalent V(2)O6 octahedra, and edges with two equivalent V(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. In the fourth V site, V(4) is bonded to one O(2), two equivalent O(1), and two equivalent O(5) atoms to form corner-sharing VO5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 40-56°. There are five inequivalent O sites. In the first O site, O(5) is bonded in a rectangular see-saw-like geometry to one V(2), one V(4), and two equivalent V(3) atoms. In the second O site, O(1) is bonded in a distorted T-shaped geometry to one V(4) and two equivalent V(1) atoms. In the third O site, O(2) is bonded in a 3-coordinate geometry to one V(4) and two equivalent V(1) atoms. In the fourth O site, O(3) is bonded in a trigonal planar geometry to one V(1), one V(2), and one V(3) atom. In the fifth O site, O(4) is bonded in a trigonal planar geometry to one V(1) and two equivalent V(3) atoms. is represented by the CIF card [CIF]
data_V6O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.867
_cell_length_b   5.867
_cell_length_c   13.401
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   121.069
_symmetry_Int_Tables_number   1
_cell_volume   395.073
_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  0.999  0.001  0.649  1.0
  V  V1  1  0.999  0.001  0.851  1.0
  V  V2  1  0.500  0.500  0.500  1.0
  V  V3  1  0.500  0.000  0.500  1.0
  V  V4  1  0.000  0.500  0.500  1.0
  V  V5  1  0.669  0.331  0.250  1.0
  V  V6  1  0.331  0.669  0.750  1.0
  V  V7  1  0.000  0.500  0.000  1.0
  V  V8  1  0.500  0.000  0.000  1.0
  V  V9  1  0.500  0.500  0.000  1.0
  V  V10  1  0.001  0.999  0.351  1.0
  V  V11  1  0.001  0.999  0.149  1.0
  O  O12  1  0.156  0.302  0.750  1.0
  O  O13  1  0.840  0.160  0.250  1.0
  O  O14  1  0.172  0.342  0.426  1.0
  O  O15  1  0.172  0.342  0.074  1.0
  O  O16  1  0.825  0.175  0.574  1.0
  O  O17  1  0.825  0.175  0.926  1.0
  O  O18  1  0.698  0.844  0.750  1.0
  O  O19  1  0.658  0.828  0.426  1.0
  O  O20  1  0.333  0.667  0.914  1.0
  O  O21  1  0.333  0.667  0.586  1.0
  O  O22  1  0.658  0.828  0.074  1.0
  O  O23  1  0.342  0.172  0.574  1.0
  O  O24  1  0.667  0.333  0.086  1.0
  O  O25  1  0.667  0.333  0.414  1.0
  O  O26  1  0.342  0.172  0.926  1.0
  O  O27  1  0.302  0.156  0.250  1.0
  O  O28  1  0.175  0.825  0.426  1.0
  O  O29  1  0.175  0.825  0.074  1.0
  O  O30  1  0.828  0.658  0.574  1.0
  O  O31  1  0.828  0.658  0.926  1.0
  O  O32  1  0.160  0.840  0.750  1.0
  O  O33  1  0.844  0.698  0.250  1.0
[/CIF]
.
The material structure described by V6O11 crystallizes in the orthorhombic Cmcm space group. There are four inequivalent V sites. In the first V site, V(1) is bonded to one O(2), one O(4), two equivalent O(1), and two equivalent O(3) atoms to form VO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with four equivalent V(3)O6 octahedra, corners with three equivalent V(4)O5 trigonal bipyramids, and  a faceface with one V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. In the second V site, V(2) is bonded to two equivalent O(5) and four equivalent O(3) atoms to form VO6 octahedra that share corners with four equivalent V(1)O6 octahedra, corners with two equivalent V(4)O5 trigonal bipyramids, and edges with four equivalent V(3)O6 octahedra. The corner-sharing octahedral tilt angles are 53°. In the third V site, V(3) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms to form VO6 octahedra that share corners with four equivalent V(1)O6 octahedra, corners with two equivalent V(4)O5 trigonal bipyramids, edges with two equivalent V(2)O6 octahedra, and edges with two equivalent V(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. In the fourth V site, V(4) is bonded to one O(2), two equivalent O(1), and two equivalent O(5) atoms to form corner-sharing VO5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 40-56°. There are five inequivalent O sites. In the first O site, O(5) is bonded in a rectangular see-saw-like geometry to one V(2), one V(4), and two equivalent V(3) atoms. In the second O site, O(1) is bonded in a distorted T-shaped geometry to one V(4) and two equivalent V(1) atoms. In the third O site, O(2) is bonded in a 3-coordinate geometry to one V(4) and two equivalent V(1) atoms. In the fourth O site, O(3) is bonded in a trigonal planar geometry to one V(1), one V(2), and one V(3) atom. In the fifth O site, O(4) is bonded in a trigonal planar geometry to one V(1) and two equivalent V(3) atoms. is represented by the CIF card [CIF]
data_V6O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.867
_cell_length_b   5.867
_cell_length_c   13.401
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   121.069
_symmetry_Int_Tables_number   1
_cell_volume   395.073
_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  0.999  0.001  0.649  1.0
  V  V1  1  0.999  0.001  0.851  1.0
  V  V2  1  0.500  0.500  0.500  1.0
  V  V3  1  0.500  0.000  0.500  1.0
  V  V4  1  0.000  0.500  0.500  1.0
  V  V5  1  0.669  0.331  0.250  1.0
  V  V6  1  0.331  0.669  0.750  1.0
  V  V7  1  0.000  0.500  0.000  1.0
  V  V8  1  0.500  0.000  0.000  1.0
  V  V9  1  0.500  0.500  0.000  1.0
  V  V10  1  0.001  0.999  0.351  1.0
  V  V11  1  0.001  0.999  0.149  1.0
  O  O12  1  0.156  0.302  0.750  1.0
  O  O13  1  0.840  0.160  0.250  1.0
  O  O14  1  0.172  0.342  0.426  1.0
  O  O15  1  0.172  0.342  0.074  1.0
  O  O16  1  0.825  0.175  0.574  1.0
  O  O17  1  0.825  0.175  0.926  1.0
  O  O18  1  0.698  0.844  0.750  1.0
  O  O19  1  0.658  0.828  0.426  1.0
  O  O20  1  0.333  0.667  0.914  1.0
  O  O21  1  0.333  0.667  0.586  1.0
  O  O22  1  0.658  0.828  0.074  1.0
  O  O23  1  0.342  0.172  0.574  1.0
  O  O24  1  0.667  0.333  0.086  1.0
  O  O25  1  0.667  0.333  0.414  1.0
  O  O26  1  0.342  0.172  0.926  1.0
  O  O27  1  0.302  0.156  0.250  1.0
  O  O28  1  0.175  0.825  0.426  1.0
  O  O29  1  0.175  0.825  0.074  1.0
  O  O30  1  0.828  0.658  0.574  1.0
  O  O31  1  0.828  0.658  0.926  1.0
  O  O32  1  0.160  0.840  0.750  1.0
  O  O33  1  0.844  0.698  0.250  1.0
[/CIF]
.