The material structure described by CoV3O8 crystallizes in the monoclinic P2_1 space group. There are six inequivalent V sites. In the first V site, V(1) is bonded to one O(3), one O(4), one O(6), one O(7), one O(8), and one O(9) atom to form distorted VO6 octahedra that share  a cornercorner with one Co(2)O4 tetrahedra, corners with two equivalent Co(1)O4 tetrahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(6)O6 octahedra, and edges with two equivalent V(2)O6 octahedra. In the second V site, V(2) is bonded to one O(10), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form VO6 octahedra that share  a cornercorner with one Co(2)O4 tetrahedra, corners with two equivalent Co(1)O4 tetrahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(6)O6 octahedra, and edges with two equivalent V(1)O6 octahedra. In the third V site, V(3) is bonded to one O(1), one O(11), one O(2), one O(5), one O(6), and one O(8) atom to form distorted VO6 octahedra that share  a cornercorner with one Co(1)O4 tetrahedra, corners with two equivalent Co(2)O4 tetrahedra,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one V(4)O6 octahedra, and  an edgeedge with one V(5)O6 octahedra. In the fourth V site, V(4) is bonded to one O(1), one O(11), one O(12), one O(14), one O(15), and one O(16) atom to form distorted VO6 octahedra that share  a cornercorner with one Co(1)O4 tetrahedra, corners with two equivalent Co(2)O4 tetrahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(6)O6 octahedra, and edges with two equivalent V(5)O6 octahedra. In the fifth V site, V(5) is bonded to one O(11), one O(12), one O(13), one O(14), one O(15), and one O(2) atom to form distorted VO6 octahedra that share  a cornercorner with one Co(1)O4 tetrahedra, corners with two equivalent Co(2)O4 tetrahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(6)O6 octahedra, and edges with two equivalent V(4)O6 octahedra. In the sixth V site, V(6) is bonded to one O(10), one O(13), one O(14), one O(16), one O(3), and one O(9) atom to form distorted VO6 octahedra that share  a cornercorner with one Co(2)O4 tetrahedra, corners with two equivalent Co(1)O4 tetrahedra,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one V(4)O6 octahedra, and  an edgeedge with one V(5)O6 octahedra. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(13), one O(16), one O(6), and one O(7) atom to form CoO4 tetrahedra that share  a cornercorner with one V(3)O6 octahedra,  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one V(5)O6 octahedra, corners with two equivalent V(1)O6 octahedra, corners with two equivalent V(2)O6 octahedra, and corners with two equivalent V(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-64°. In the second Co site, Co(2) is bonded to one O(14), one O(15), one O(5), and one O(8) atom to form CoO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(6)O6 octahedra, corners with two equivalent V(3)O6 octahedra, corners with two equivalent V(4)O6 octahedra, and corners with two equivalent V(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-61°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one V(3) and one V(4) atom. In the second O site, O(2) is bonded in a water-like geometry to one V(3) and one V(5) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one V(1), one V(2), and one V(6) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one V(1) and one V(2) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one V(2), one V(3), and one Co(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal pyramidal geometry to one V(1), one V(2), one V(3), and one Co(1) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one V(1), one V(2), and one Co(1) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one V(1), one V(3), and one Co(2) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one V(1) and one V(6) atom. In the tenth O site, O(10) is bonded in a water-like geometry to one V(2) and one V(6) atom. In the eleventh O site, O(11) is bonded in a distorted T-shaped geometry to one V(3), one V(4), and one V(5) atom. In the twelfth O site, O(12) is bonded in a water-like geometry to one V(4) and one V(5) atom. In the thirteenth O site, O(13) is bonded in a trigonal planar geometry to one V(5), one V(6), and one Co(1) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal pyramidal geometry to one V(4), one V(5), one V(6), and one Co(2) atom. In the fifteenth O site, O(15) is bonded in a trigonal planar geometry to one V(4), one V(5), and one Co(2) atom. In the sixteenth O site, O(16) is bonded in a trigonal planar geometry to one V(4), one V(6), and one Co(1) atom. is represented by the CIF file [CIF]
data_V3CoO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.346
_cell_length_b   8.336
_cell_length_c   8.342
_cell_angle_alpha   90.008
_cell_angle_beta   89.995
_cell_angle_gamma   90.317
_symmetry_Int_Tables_number   1
_cell_volume   580.354
_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  0.106  0.623  0.130  1.0
  V  V1  1  0.126  0.379  0.883  1.0
  V  V2  1  0.133  0.102  0.636  1.0
  V  V3  1  0.368  0.898  0.136  1.0
  V  V4  1  0.374  0.621  0.382  1.0
  V  V5  1  0.394  0.377  0.630  1.0
  V  V6  1  0.607  0.873  0.879  1.0
  V  V7  1  0.643  0.126  0.109  1.0
  V  V8  1  0.631  0.390  0.369  1.0
  V  V9  1  0.868  0.611  0.868  1.0
  V  V10  1  0.857  0.874  0.609  1.0
  V  V11  1  0.893  0.127  0.379  1.0
  Co  Co12  1  0.005  0.498  0.505  1.0
  Co  Co13  1  0.496  0.502  0.005  1.0
  Co  Co14  1  0.501  0.007  0.494  1.0
  Co  Co15  1  0.999  0.993  0.994  1.0
  O  O16  1  0.099  0.139  0.400  1.0
  O  O17  1  0.109  0.900  0.633  1.0
  O  O18  1  0.106  0.616  0.890  1.0
  O  O19  1  0.134  0.399  0.096  1.0
  O  O20  1  0.116  0.140  0.853  1.0
  O  O21  1  0.137  0.364  0.643  1.0
  O  O22  1  0.134  0.614  0.346  1.0
  O  O23  1  0.150  0.856  0.111  1.0
  O  O24  1  0.350  0.144  0.611  1.0
  O  O25  1  0.366  0.386  0.846  1.0
  O  O26  1  0.363  0.636  0.143  1.0
  O  O27  1  0.384  0.859  0.353  1.0
  O  O28  1  0.365  0.600  0.596  1.0
  O  O29  1  0.394  0.384  0.390  1.0
  O  O30  1  0.390  0.100  0.133  1.0
  O  O31  1  0.401  0.861  0.900  1.0
  O  O32  1  0.599  0.365  0.606  1.0
  O  O33  1  0.611  0.595  0.365  1.0
  O  O34  1  0.609  0.897  0.117  1.0
  O  O35  1  0.632  0.112  0.904  1.0
  O  O36  1  0.611  0.349  0.144  1.0
  O  O37  1  0.643  0.138  0.361  1.0
  O  O38  1  0.643  0.885  0.640  1.0
  O  O39  1  0.653  0.634  0.889  1.0
  O  O40  1  0.847  0.366  0.389  1.0
  O  O41  1  0.858  0.115  0.140  1.0
  O  O42  1  0.857  0.862  0.861  1.0
  O  O43  1  0.889  0.651  0.644  1.0
  O  O44  1  0.868  0.888  0.404  1.0
  O  O45  1  0.891  0.103  0.617  1.0
  O  O46  1  0.888  0.405  0.865  1.0
  O  O47  1  0.901  0.635  0.106  1.0
[/CIF]
.
The material structure described by CoV3O8 crystallizes in the monoclinic P2_1 space group. There are six inequivalent V sites. In the first V site, V(1) is bonded to one O(3), one O(4), one O(6), one O(7), one O(8), and one O(9) atom to form distorted VO6 octahedra that share  a cornercorner with one Co(2)O4 tetrahedra, corners with two equivalent Co(1)O4 tetrahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(6)O6 octahedra, and edges with two equivalent V(2)O6 octahedra. In the second V site, V(2) is bonded to one O(10), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form VO6 octahedra that share  a cornercorner with one Co(2)O4 tetrahedra, corners with two equivalent Co(1)O4 tetrahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(6)O6 octahedra, and edges with two equivalent V(1)O6 octahedra. In the third V site, V(3) is bonded to one O(1), one O(11), one O(2), one O(5), one O(6), and one O(8) atom to form distorted VO6 octahedra that share  a cornercorner with one Co(1)O4 tetrahedra, corners with two equivalent Co(2)O4 tetrahedra,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one V(4)O6 octahedra, and  an edgeedge with one V(5)O6 octahedra. In the fourth V site, V(4) is bonded to one O(1), one O(11), one O(12), one O(14), one O(15), and one O(16) atom to form distorted VO6 octahedra that share  a cornercorner with one Co(1)O4 tetrahedra, corners with two equivalent Co(2)O4 tetrahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(6)O6 octahedra, and edges with two equivalent V(5)O6 octahedra. In the fifth V site, V(5) is bonded to one O(11), one O(12), one O(13), one O(14), one O(15), and one O(2) atom to form distorted VO6 octahedra that share  a cornercorner with one Co(1)O4 tetrahedra, corners with two equivalent Co(2)O4 tetrahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(6)O6 octahedra, and edges with two equivalent V(4)O6 octahedra. In the sixth V site, V(6) is bonded to one O(10), one O(13), one O(14), one O(16), one O(3), and one O(9) atom to form distorted VO6 octahedra that share  a cornercorner with one Co(2)O4 tetrahedra, corners with two equivalent Co(1)O4 tetrahedra,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one V(4)O6 octahedra, and  an edgeedge with one V(5)O6 octahedra. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(13), one O(16), one O(6), and one O(7) atom to form CoO4 tetrahedra that share  a cornercorner with one V(3)O6 octahedra,  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one V(5)O6 octahedra, corners with two equivalent V(1)O6 octahedra, corners with two equivalent V(2)O6 octahedra, and corners with two equivalent V(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-64°. In the second Co site, Co(2) is bonded to one O(14), one O(15), one O(5), and one O(8) atom to form CoO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(6)O6 octahedra, corners with two equivalent V(3)O6 octahedra, corners with two equivalent V(4)O6 octahedra, and corners with two equivalent V(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-61°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one V(3) and one V(4) atom. In the second O site, O(2) is bonded in a water-like geometry to one V(3) and one V(5) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one V(1), one V(2), and one V(6) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one V(1) and one V(2) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one V(2), one V(3), and one Co(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal pyramidal geometry to one V(1), one V(2), one V(3), and one Co(1) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one V(1), one V(2), and one Co(1) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one V(1), one V(3), and one Co(2) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one V(1) and one V(6) atom. In the tenth O site, O(10) is bonded in a water-like geometry to one V(2) and one V(6) atom. In the eleventh O site, O(11) is bonded in a distorted T-shaped geometry to one V(3), one V(4), and one V(5) atom. In the twelfth O site, O(12) is bonded in a water-like geometry to one V(4) and one V(5) atom. In the thirteenth O site, O(13) is bonded in a trigonal planar geometry to one V(5), one V(6), and one Co(1) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal pyramidal geometry to one V(4), one V(5), one V(6), and one Co(2) atom. In the fifteenth O site, O(15) is bonded in a trigonal planar geometry to one V(4), one V(5), and one Co(2) atom. In the sixteenth O site, O(16) is bonded in a trigonal planar geometry to one V(4), one V(6), and one Co(1) atom. is represented by the CIF file [CIF]
data_V3CoO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.346
_cell_length_b   8.336
_cell_length_c   8.342
_cell_angle_alpha   90.008
_cell_angle_beta   89.995
_cell_angle_gamma   90.317
_symmetry_Int_Tables_number   1
_cell_volume   580.354
_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  0.106  0.623  0.130  1.0
  V  V1  1  0.126  0.379  0.883  1.0
  V  V2  1  0.133  0.102  0.636  1.0
  V  V3  1  0.368  0.898  0.136  1.0
  V  V4  1  0.374  0.621  0.382  1.0
  V  V5  1  0.394  0.377  0.630  1.0
  V  V6  1  0.607  0.873  0.879  1.0
  V  V7  1  0.643  0.126  0.109  1.0
  V  V8  1  0.631  0.390  0.369  1.0
  V  V9  1  0.868  0.611  0.868  1.0
  V  V10  1  0.857  0.874  0.609  1.0
  V  V11  1  0.893  0.127  0.379  1.0
  Co  Co12  1  0.005  0.498  0.505  1.0
  Co  Co13  1  0.496  0.502  0.005  1.0
  Co  Co14  1  0.501  0.007  0.494  1.0
  Co  Co15  1  0.999  0.993  0.994  1.0
  O  O16  1  0.099  0.139  0.400  1.0
  O  O17  1  0.109  0.900  0.633  1.0
  O  O18  1  0.106  0.616  0.890  1.0
  O  O19  1  0.134  0.399  0.096  1.0
  O  O20  1  0.116  0.140  0.853  1.0
  O  O21  1  0.137  0.364  0.643  1.0
  O  O22  1  0.134  0.614  0.346  1.0
  O  O23  1  0.150  0.856  0.111  1.0
  O  O24  1  0.350  0.144  0.611  1.0
  O  O25  1  0.366  0.386  0.846  1.0
  O  O26  1  0.363  0.636  0.143  1.0
  O  O27  1  0.384  0.859  0.353  1.0
  O  O28  1  0.365  0.600  0.596  1.0
  O  O29  1  0.394  0.384  0.390  1.0
  O  O30  1  0.390  0.100  0.133  1.0
  O  O31  1  0.401  0.861  0.900  1.0
  O  O32  1  0.599  0.365  0.606  1.0
  O  O33  1  0.611  0.595  0.365  1.0
  O  O34  1  0.609  0.897  0.117  1.0
  O  O35  1  0.632  0.112  0.904  1.0
  O  O36  1  0.611  0.349  0.144  1.0
  O  O37  1  0.643  0.138  0.361  1.0
  O  O38  1  0.643  0.885  0.640  1.0
  O  O39  1  0.653  0.634  0.889  1.0
  O  O40  1  0.847  0.366  0.389  1.0
  O  O41  1  0.858  0.115  0.140  1.0
  O  O42  1  0.857  0.862  0.861  1.0
  O  O43  1  0.889  0.651  0.644  1.0
  O  O44  1  0.868  0.888  0.404  1.0
  O  O45  1  0.891  0.103  0.617  1.0
  O  O46  1  0.888  0.405  0.865  1.0
  O  O47  1  0.901  0.635  0.106  1.0
[/CIF]
.