The compound described by CuVO4 crystallizes in the monoclinic P2_1/c space group. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(2), one O(4), and one O(7) atom to form VO4 tetrahedra that share corners with two equivalent Cu(1)O5 trigonal bipyramids. In the second V site, V(2) is bonded to one O(3), one O(5), one O(6), and one O(8) atom to form VO4 tetrahedra that share corners with three equivalent Cu(1)O5 trigonal bipyramids. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), one O(3), one O(5), one O(6), and one O(7) atom to form CuO5 trigonal bipyramids that share corners with two equivalent V(1)O4 tetrahedra and corners with three equivalent V(2)O4 tetrahedra. In the second Cu site, Cu(2) is bonded in a distorted square co-planar geometry to one O(2), one O(4), one O(6), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one V(1) and one Cu(1) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one V(1) and one Cu(2) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one V(2) and one Cu(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one V(1) and one Cu(2) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one V(2) and one Cu(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one V(2), one Cu(1), and one Cu(2) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one V(1) and one Cu(1) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one V(2) and one Cu(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_VCuO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.481
_cell_length_b   6.399
_cell_length_c   11.740
_cell_angle_alpha   89.406
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   637.040
_cell_formula_units_Z   8
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  0.545  0.896  0.846  1.0
  V  V1  1  0.955  0.896  0.346  1.0
  V  V2  1  0.907  0.399  0.136  1.0
  V  V3  1  0.045  0.104  0.654  1.0
  V  V4  1  0.093  0.601  0.864  1.0
  V  V5  1  0.407  0.601  0.364  1.0
  V  V6  1  0.593  0.399  0.636  1.0
  V  V7  1  0.455  0.104  0.154  1.0
  Cu  Cu8  1  0.827  0.224  0.873  1.0
  Cu  Cu9  1  0.944  0.627  0.627  1.0
  Cu  Cu10  1  0.056  0.373  0.373  1.0
  Cu  Cu11  1  0.173  0.776  0.127  1.0
  Cu  Cu12  1  0.673  0.224  0.373  1.0
  Cu  Cu13  1  0.556  0.627  0.127  1.0
  Cu  Cu14  1  0.327  0.776  0.627  1.0
  Cu  Cu15  1  0.444  0.373  0.873  1.0
  O  O16  1  0.759  0.961  0.383  1.0
  O  O17  1  0.992  0.349  0.594  1.0
  O  O18  1  0.397  0.793  0.462  1.0
  O  O19  1  0.897  0.207  0.038  1.0
  O  O20  1  0.741  0.961  0.883  1.0
  O  O21  1  0.241  0.039  0.617  1.0
  O  O22  1  0.910  0.911  0.608  1.0
  O  O23  1  0.101  0.504  0.135  1.0
  O  O24  1  0.399  0.504  0.635  1.0
  O  O25  1  0.128  0.687  0.712  1.0
  O  O26  1  0.628  0.313  0.788  1.0
  O  O27  1  0.899  0.496  0.865  1.0
  O  O28  1  0.090  0.089  0.392  1.0
  O  O29  1  0.476  0.128  0.299  1.0
  O  O30  1  0.732  0.581  0.599  1.0
  O  O31  1  0.768  0.581  0.099  1.0
  O  O32  1  0.976  0.872  0.201  1.0
  O  O33  1  0.601  0.496  0.365  1.0
  O  O34  1  0.524  0.872  0.701  1.0
  O  O35  1  0.603  0.207  0.538  1.0
  O  O36  1  0.508  0.349  0.094  1.0
  O  O37  1  0.872  0.313  0.288  1.0
  O  O38  1  0.259  0.039  0.117  1.0
  O  O39  1  0.590  0.911  0.108  1.0
  O  O40  1  0.103  0.793  0.962  1.0
  O  O41  1  0.232  0.419  0.901  1.0
  O  O42  1  0.008  0.651  0.406  1.0
  O  O43  1  0.492  0.651  0.906  1.0
  O  O44  1  0.410  0.089  0.892  1.0
  O  O45  1  0.268  0.419  0.401  1.0
  O  O46  1  0.372  0.687  0.212  1.0
  O  O47  1  0.024  0.128  0.799  1.0
[/CIF]
.
The compound described by CuVO4 crystallizes in the monoclinic P2_1/c space group. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(2), one O(4), and one O(7) atom to form VO4 tetrahedra that share corners with two equivalent Cu(1)O5 trigonal bipyramids. In the second V site, V(2) is bonded to one O(3), one O(5), one O(6), and one O(8) atom to form VO4 tetrahedra that share corners with three equivalent Cu(1)O5 trigonal bipyramids. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), one O(3), one O(5), one O(6), and one O(7) atom to form CuO5 trigonal bipyramids that share corners with two equivalent V(1)O4 tetrahedra and corners with three equivalent V(2)O4 tetrahedra. In the second Cu site, Cu(2) is bonded in a distorted square co-planar geometry to one O(2), one O(4), one O(6), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one V(1) and one Cu(1) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one V(1) and one Cu(2) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one V(2) and one Cu(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one V(1) and one Cu(2) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one V(2) and one Cu(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one V(2), one Cu(1), and one Cu(2) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one V(1) and one Cu(1) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one V(2) and one Cu(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_VCuO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.481
_cell_length_b   6.399
_cell_length_c   11.740
_cell_angle_alpha   89.406
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   637.040
_cell_formula_units_Z   8
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  0.545  0.896  0.846  1.0
  V  V1  1  0.955  0.896  0.346  1.0
  V  V2  1  0.907  0.399  0.136  1.0
  V  V3  1  0.045  0.104  0.654  1.0
  V  V4  1  0.093  0.601  0.864  1.0
  V  V5  1  0.407  0.601  0.364  1.0
  V  V6  1  0.593  0.399  0.636  1.0
  V  V7  1  0.455  0.104  0.154  1.0
  Cu  Cu8  1  0.827  0.224  0.873  1.0
  Cu  Cu9  1  0.944  0.627  0.627  1.0
  Cu  Cu10  1  0.056  0.373  0.373  1.0
  Cu  Cu11  1  0.173  0.776  0.127  1.0
  Cu  Cu12  1  0.673  0.224  0.373  1.0
  Cu  Cu13  1  0.556  0.627  0.127  1.0
  Cu  Cu14  1  0.327  0.776  0.627  1.0
  Cu  Cu15  1  0.444  0.373  0.873  1.0
  O  O16  1  0.759  0.961  0.383  1.0
  O  O17  1  0.992  0.349  0.594  1.0
  O  O18  1  0.397  0.793  0.462  1.0
  O  O19  1  0.897  0.207  0.038  1.0
  O  O20  1  0.741  0.961  0.883  1.0
  O  O21  1  0.241  0.039  0.617  1.0
  O  O22  1  0.910  0.911  0.608  1.0
  O  O23  1  0.101  0.504  0.135  1.0
  O  O24  1  0.399  0.504  0.635  1.0
  O  O25  1  0.128  0.687  0.712  1.0
  O  O26  1  0.628  0.313  0.788  1.0
  O  O27  1  0.899  0.496  0.865  1.0
  O  O28  1  0.090  0.089  0.392  1.0
  O  O29  1  0.476  0.128  0.299  1.0
  O  O30  1  0.732  0.581  0.599  1.0
  O  O31  1  0.768  0.581  0.099  1.0
  O  O32  1  0.976  0.872  0.201  1.0
  O  O33  1  0.601  0.496  0.365  1.0
  O  O34  1  0.524  0.872  0.701  1.0
  O  O35  1  0.603  0.207  0.538  1.0
  O  O36  1  0.508  0.349  0.094  1.0
  O  O37  1  0.872  0.313  0.288  1.0
  O  O38  1  0.259  0.039  0.117  1.0
  O  O39  1  0.590  0.911  0.108  1.0
  O  O40  1  0.103  0.793  0.962  1.0
  O  O41  1  0.232  0.419  0.901  1.0
  O  O42  1  0.008  0.651  0.406  1.0
  O  O43  1  0.492  0.651  0.906  1.0
  O  O44  1  0.410  0.089  0.892  1.0
  O  O45  1  0.268  0.419  0.401  1.0
  O  O46  1  0.372  0.687  0.212  1.0
  O  O47  1  0.024  0.128  0.799  1.0
[/CIF]
.