The material structure described by Bi4V2O11 crystallizes in the monoclinic C2 space group. There are three inequivalent V sites. In the first V site, V(1) is bonded in a distorted tetrahedral geometry to two equivalent O(1) and two equivalent O(3) atoms. In the second V site, V(2) is bonded in a 5-coordinate geometry to one O(3), one O(4), one O(6), one O(8), and one O(9) atom. In the third V site, V(3) is bonded in a tetrahedral geometry to two equivalent O(11) and two equivalent O(9) atoms. There are four inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 7-coordinate geometry to one O(1), one O(4), one O(6), two equivalent O(2), and two equivalent O(5) atoms. In the second Bi site, Bi(2) is bonded in a 4-coordinate geometry to one O(10), one O(2), one O(5), and one O(7) atom. In the third Bi site, Bi(3) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(11), one O(2), one O(5), one O(6), and one O(7) atom. In the fourth Bi site, Bi(4) is bonded in a 7-coordinate geometry to one O(11), one O(6), one O(8), two equivalent O(10), and two equivalent O(7) atoms. There are eleven inequivalent O sites. In the first O site, O(9) is bonded in a distorted bent 150 degrees geometry to one V(2) and one V(3) atom. In the second O site, O(10) is bonded to one Bi(2), one Bi(3), and two equivalent Bi(4) atoms to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the third O site, O(11) is bonded in a distorted single-bond geometry to one V(3), one Bi(3), and one Bi(4) atom. In the fourth O site, O(1) is bonded in a distorted single-bond geometry to one V(1), one Bi(1), and one Bi(3) atom. In the fifth O site, O(2) is bonded to one Bi(2), one Bi(3), and two equivalent Bi(1) atoms to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the sixth O site, O(3) is bonded in a distorted bent 150 degrees geometry to one V(1) and one V(2) atom. In the seventh O site, O(4) is bonded in a distorted single-bond geometry to one V(2) and one Bi(1) atom. In the eighth O site, O(5) is bonded to one Bi(2), one Bi(3), and two equivalent Bi(1) atoms to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the ninth O site, O(6) is bonded in a single-bond geometry to one V(2), one Bi(1), one Bi(3), and one Bi(4) atom. In the tenth O site, O(7) is bonded to one Bi(2), one Bi(3), and two equivalent Bi(4) atoms to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the eleventh O site, O(8) is bonded in a distorted single-bond geometry to one V(2) and one Bi(4) atom. is represented by the CIF card [CIF]
data_V2Bi4O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.115
_cell_length_b   8.115
_cell_length_c   11.108
_cell_angle_alpha   89.915
_cell_angle_beta   89.915
_cell_angle_gamma   40.988
_symmetry_Int_Tables_number   1
_cell_volume   479.725
_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  0.991  0.009  0.000  1.0
  V  V1  1  0.446  0.566  0.753  1.0
  V  V2  1  0.998  0.002  0.500  1.0
  V  V3  1  0.434  0.554  0.247  1.0
  Bi  Bi4  1  0.669  0.660  0.009  1.0
  Bi  Bi5  1  0.096  0.224  0.748  1.0
  Bi  Bi6  1  0.758  0.882  0.750  1.0
  Bi  Bi7  1  0.333  0.337  0.508  1.0
  Bi  Bi8  1  0.663  0.667  0.492  1.0
  Bi  Bi9  1  0.118  0.242  0.250  1.0
  Bi  Bi10  1  0.776  0.904  0.252  1.0
  Bi  Bi11  1  0.340  0.331  0.991  1.0
  O  O12  1  0.775  0.017  0.956  1.0
  O  O13  1  0.938  0.544  0.871  1.0
  O  O14  1  0.192  0.858  0.873  1.0
  O  O15  1  0.660  0.430  0.870  1.0
  O  O16  1  0.439  0.033  0.872  1.0
  O  O17  1  0.379  0.410  0.749  1.0
  O  O18  1  0.943  0.543  0.625  1.0
  O  O19  1  0.664  0.442  0.641  1.0
  O  O20  1  0.195  0.856  0.628  1.0
  O  O21  1  0.440  0.032  0.628  1.0
  O  O22  1  0.971  0.230  0.456  1.0
  O  O23  1  0.770  0.029  0.544  1.0
  O  O24  1  0.968  0.560  0.372  1.0
  O  O25  1  0.144  0.805  0.372  1.0
  O  O26  1  0.558  0.336  0.359  1.0
  O  O27  1  0.457  0.057  0.375  1.0
  O  O28  1  0.590  0.621  0.251  1.0
  O  O29  1  0.967  0.561  0.128  1.0
  O  O30  1  0.570  0.340  0.130  1.0
  O  O31  1  0.142  0.808  0.127  1.0
  O  O32  1  0.456  0.062  0.129  1.0
  O  O33  1  0.983  0.225  0.044  1.0
[/CIF]
.
The material structure described by Bi4V2O11 crystallizes in the monoclinic C2 space group. There are three inequivalent V sites. In the first V site, V(1) is bonded in a distorted tetrahedral geometry to two equivalent O(1) and two equivalent O(3) atoms. In the second V site, V(2) is bonded in a 5-coordinate geometry to one O(3), one O(4), one O(6), one O(8), and one O(9) atom. In the third V site, V(3) is bonded in a tetrahedral geometry to two equivalent O(11) and two equivalent O(9) atoms. There are four inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 7-coordinate geometry to one O(1), one O(4), one O(6), two equivalent O(2), and two equivalent O(5) atoms. In the second Bi site, Bi(2) is bonded in a 4-coordinate geometry to one O(10), one O(2), one O(5), and one O(7) atom. In the third Bi site, Bi(3) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(11), one O(2), one O(5), one O(6), and one O(7) atom. In the fourth Bi site, Bi(4) is bonded in a 7-coordinate geometry to one O(11), one O(6), one O(8), two equivalent O(10), and two equivalent O(7) atoms. There are eleven inequivalent O sites. In the first O site, O(9) is bonded in a distorted bent 150 degrees geometry to one V(2) and one V(3) atom. In the second O site, O(10) is bonded to one Bi(2), one Bi(3), and two equivalent Bi(4) atoms to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the third O site, O(11) is bonded in a distorted single-bond geometry to one V(3), one Bi(3), and one Bi(4) atom. In the fourth O site, O(1) is bonded in a distorted single-bond geometry to one V(1), one Bi(1), and one Bi(3) atom. In the fifth O site, O(2) is bonded to one Bi(2), one Bi(3), and two equivalent Bi(1) atoms to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the sixth O site, O(3) is bonded in a distorted bent 150 degrees geometry to one V(1) and one V(2) atom. In the seventh O site, O(4) is bonded in a distorted single-bond geometry to one V(2) and one Bi(1) atom. In the eighth O site, O(5) is bonded to one Bi(2), one Bi(3), and two equivalent Bi(1) atoms to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the ninth O site, O(6) is bonded in a single-bond geometry to one V(2), one Bi(1), one Bi(3), and one Bi(4) atom. In the tenth O site, O(7) is bonded to one Bi(2), one Bi(3), and two equivalent Bi(4) atoms to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the eleventh O site, O(8) is bonded in a distorted single-bond geometry to one V(2) and one Bi(4) atom. is represented by the CIF card [CIF]
data_V2Bi4O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.115
_cell_length_b   8.115
_cell_length_c   11.108
_cell_angle_alpha   89.915
_cell_angle_beta   89.915
_cell_angle_gamma   40.988
_symmetry_Int_Tables_number   1
_cell_volume   479.725
_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  0.991  0.009  0.000  1.0
  V  V1  1  0.446  0.566  0.753  1.0
  V  V2  1  0.998  0.002  0.500  1.0
  V  V3  1  0.434  0.554  0.247  1.0
  Bi  Bi4  1  0.669  0.660  0.009  1.0
  Bi  Bi5  1  0.096  0.224  0.748  1.0
  Bi  Bi6  1  0.758  0.882  0.750  1.0
  Bi  Bi7  1  0.333  0.337  0.508  1.0
  Bi  Bi8  1  0.663  0.667  0.492  1.0
  Bi  Bi9  1  0.118  0.242  0.250  1.0
  Bi  Bi10  1  0.776  0.904  0.252  1.0
  Bi  Bi11  1  0.340  0.331  0.991  1.0
  O  O12  1  0.775  0.017  0.956  1.0
  O  O13  1  0.938  0.544  0.871  1.0
  O  O14  1  0.192  0.858  0.873  1.0
  O  O15  1  0.660  0.430  0.870  1.0
  O  O16  1  0.439  0.033  0.872  1.0
  O  O17  1  0.379  0.410  0.749  1.0
  O  O18  1  0.943  0.543  0.625  1.0
  O  O19  1  0.664  0.442  0.641  1.0
  O  O20  1  0.195  0.856  0.628  1.0
  O  O21  1  0.440  0.032  0.628  1.0
  O  O22  1  0.971  0.230  0.456  1.0
  O  O23  1  0.770  0.029  0.544  1.0
  O  O24  1  0.968  0.560  0.372  1.0
  O  O25  1  0.144  0.805  0.372  1.0
  O  O26  1  0.558  0.336  0.359  1.0
  O  O27  1  0.457  0.057  0.375  1.0
  O  O28  1  0.590  0.621  0.251  1.0
  O  O29  1  0.967  0.561  0.128  1.0
  O  O30  1  0.570  0.340  0.130  1.0
  O  O31  1  0.142  0.808  0.127  1.0
  O  O32  1  0.456  0.062  0.129  1.0
  O  O33  1  0.983  0.225  0.044  1.0
[/CIF]
.