The crystal structure described by VGeO3 crystallizes in the monoclinic C2/c space group. There are two inequivalent V sites. In the first V site, V(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form VO6 octahedra that share corners with eight equivalent Ge(1)O4 tetrahedra and edges with three equivalent V(2)O6 octahedra. In the second V site, V(2) is bonded to two equivalent O(3) and four equivalent O(1) atoms to form VO6 octahedra that share corners with six equivalent Ge(1)O4 tetrahedra, edges with two equivalent V(2)O6 octahedra, and edges with three equivalent V(1)O6 octahedra. Ge(1) is bonded to one O(1), one O(3), and two equivalent O(2) atoms to form GeO4 tetrahedra that share corners with three equivalent V(2)O6 octahedra, corners with four equivalent V(1)O6 octahedra, and corners with two equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-61°. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to one V(1), two equivalent V(2), and one Ge(1) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one V(1) and two equivalent Ge(1) atoms. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one V(1), one V(2), and one Ge(1) atom. is represented by the CIF file [CIF]
data_VGeO3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.273
_cell_length_b   6.797
_cell_length_c   6.797
_cell_angle_alpha   94.207
_cell_angle_beta   82.682
_cell_angle_gamma   97.318
_symmetry_Int_Tables_number   1
_cell_volume   239.227
_cell_formula_units_Z   4
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  0.250  0.273  0.273  1.0
  V  V1  1  0.250  0.909  0.909  1.0
  V  V2  1  0.750  0.727  0.727  1.0
  V  V3  1  0.750  0.091  0.091  1.0
  Ge  Ge4  1  0.709  0.206  0.606  1.0
  Ge  Ge5  1  0.209  0.394  0.794  1.0
  Ge  Ge6  1  0.791  0.606  0.206  1.0
  Ge  Ge7  1  0.291  0.794  0.394  1.0
  O  O8  1  0.637  0.026  0.788  1.0
  O  O9  1  0.137  0.212  0.974  1.0
  O  O10  1  0.863  0.788  0.026  1.0
  O  O11  1  0.363  0.974  0.212  1.0
  O  O12  1  0.902  0.425  0.707  1.0
  O  O13  1  0.402  0.293  0.575  1.0
  O  O14  1  0.598  0.707  0.425  1.0
  O  O15  1  0.098  0.575  0.293  1.0
  O  O16  1  0.872  0.138  0.379  1.0
  O  O17  1  0.372  0.621  0.862  1.0
  O  O18  1  0.628  0.379  0.138  1.0
  O  O19  1  0.128  0.862  0.621  1.0
[/CIF]
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The crystal structure described by VGeO3 crystallizes in the monoclinic C2/c space group. There are two inequivalent V sites. In the first V site, V(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form VO6 octahedra that share corners with eight equivalent Ge(1)O4 tetrahedra and edges with three equivalent V(2)O6 octahedra. In the second V site, V(2) is bonded to two equivalent O(3) and four equivalent O(1) atoms to form VO6 octahedra that share corners with six equivalent Ge(1)O4 tetrahedra, edges with two equivalent V(2)O6 octahedra, and edges with three equivalent V(1)O6 octahedra. Ge(1) is bonded to one O(1), one O(3), and two equivalent O(2) atoms to form GeO4 tetrahedra that share corners with three equivalent V(2)O6 octahedra, corners with four equivalent V(1)O6 octahedra, and corners with two equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-61°. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to one V(1), two equivalent V(2), and one Ge(1) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one V(1) and two equivalent Ge(1) atoms. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one V(1), one V(2), and one Ge(1) atom. is represented by the CIF file [CIF]
data_VGeO3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.273
_cell_length_b   6.797
_cell_length_c   6.797
_cell_angle_alpha   94.207
_cell_angle_beta   82.682
_cell_angle_gamma   97.318
_symmetry_Int_Tables_number   1
_cell_volume   239.227
_cell_formula_units_Z   4
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  0.250  0.273  0.273  1.0
  V  V1  1  0.250  0.909  0.909  1.0
  V  V2  1  0.750  0.727  0.727  1.0
  V  V3  1  0.750  0.091  0.091  1.0
  Ge  Ge4  1  0.709  0.206  0.606  1.0
  Ge  Ge5  1  0.209  0.394  0.794  1.0
  Ge  Ge6  1  0.791  0.606  0.206  1.0
  Ge  Ge7  1  0.291  0.794  0.394  1.0
  O  O8  1  0.637  0.026  0.788  1.0
  O  O9  1  0.137  0.212  0.974  1.0
  O  O10  1  0.863  0.788  0.026  1.0
  O  O11  1  0.363  0.974  0.212  1.0
  O  O12  1  0.902  0.425  0.707  1.0
  O  O13  1  0.402  0.293  0.575  1.0
  O  O14  1  0.598  0.707  0.425  1.0
  O  O15  1  0.098  0.575  0.293  1.0
  O  O16  1  0.872  0.138  0.379  1.0
  O  O17  1  0.372  0.621  0.862  1.0
  O  O18  1  0.628  0.379  0.138  1.0
  O  O19  1  0.128  0.862  0.621  1.0
[/CIF]
.