The structure described by V5CuO12 crystallizes in the triclinic P1 space group. There are ten inequivalent V sites. In the first V site, V(1) is bonded to one O(10), one O(12), one O(2), one O(22), one O(24), and one O(3) atom to form VO6 octahedra that share  a cornercorner with one V(7)O4 tetrahedra,  a cornercorner with one V(8)O4 tetrahedra, corners with two equivalent V(4)O4 tetrahedra, corners with two equivalent V(5)O4 tetrahedra,  an edgeedge with one Cu(1)O6 octahedra, and  an edgeedge with one Cu(2)O6 octahedra. In the second V site, V(2) is bonded to one O(1), one O(13), one O(18), and one O(5) atom to form VO4 tetrahedra that share  a cornercorner with one V(6)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra,  a cornercorner with one V(4)O4 tetrahedra, and  a cornercorner with one V(9)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 34-60°. In the third V site, V(3) is bonded to one O(16), one O(20), one O(4), and one O(8) atom to form VO4 tetrahedra that share  a cornercorner with one V(6)O6 octahedra, corners with two equivalent Cu(2)O6 octahedra,  a cornercorner with one V(10)O4 tetrahedra, and  a cornercorner with one V(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 34-60°. In the fourth V site, V(4) is bonded to one O(10), one O(14), one O(18), and one O(22) atom to form VO4 tetrahedra that share  a cornercorner with one Cu(1)O6 octahedra, corners with two equivalent V(1)O6 octahedra,  a cornercorner with one V(2)O4 tetrahedra, and  a cornercorner with one V(7)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 28-64°. In the fifth V site, V(5) is bonded to one O(12), one O(15), one O(20), and one O(24) atom to form VO4 tetrahedra that share  a cornercorner with one Cu(2)O6 octahedra, corners with two equivalent V(1)O6 octahedra,  a cornercorner with one V(3)O4 tetrahedra, and  a cornercorner with one V(8)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 28-64°. In the sixth V site, V(6) is bonded to one O(1), one O(11), one O(21), one O(23), one O(4), and one O(9) atom to form VO6 octahedra that share  a cornercorner with one V(2)O4 tetrahedra,  a cornercorner with one V(3)O4 tetrahedra, corners with two equivalent V(10)O4 tetrahedra, corners with two equivalent V(9)O4 tetrahedra,  an edgeedge with one Cu(1)O6 octahedra, and  an edgeedge with one Cu(2)O6 octahedra. In the seventh V site, V(7) is bonded to one O(14), one O(17), one O(2), and one O(6) atom to form VO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra, corners with two equivalent Cu(2)O6 octahedra,  a cornercorner with one V(4)O4 tetrahedra, and  a cornercorner with one V(9)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 34-61°. In the eighth V site, V(8) is bonded to one O(15), one O(19), one O(3), and one O(7) atom to form VO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra,  a cornercorner with one V(10)O4 tetrahedra, and  a cornercorner with one V(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 34-61°. In the ninth V site, V(9) is bonded to one O(13), one O(17), one O(21), and one O(9) atom to form VO4 tetrahedra that share  a cornercorner with one Cu(2)O6 octahedra, corners with two equivalent V(6)O6 octahedra,  a cornercorner with one V(2)O4 tetrahedra, and  a cornercorner with one V(7)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 27-65°. In the tenth V site, V(10) is bonded to one O(11), one O(16), one O(19), and one O(23) atom to form VO4 tetrahedra that share  a cornercorner with one Cu(1)O6 octahedra, corners with two equivalent V(6)O6 octahedra,  a cornercorner with one V(3)O4 tetrahedra, and  a cornercorner with one V(8)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 27-65°. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), one O(10), one O(11), one O(3), one O(5), and one O(7) atom to form distorted CuO6 octahedra that share  a cornercorner with one V(10)O4 tetrahedra,  a cornercorner with one V(4)O4 tetrahedra, corners with two equivalent V(2)O4 tetrahedra, corners with two equivalent V(8)O4 tetrahedra,  an edgeedge with one V(1)O6 octahedra, and  an edgeedge with one V(6)O6 octahedra. In the second Cu site, Cu(2) is bonded to one O(12), one O(2), one O(4), one O(6), one O(8), and one O(9) atom to form distorted CuO6 octahedra that share  a cornercorner with one V(5)O4 tetrahedra,  a cornercorner with one V(9)O4 tetrahedra, corners with two equivalent V(3)O4 tetrahedra, corners with two equivalent V(7)O4 tetrahedra,  an edgeedge with one V(1)O6 octahedra, and  an edgeedge with one V(6)O6 octahedra. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one V(2), one V(6), and one Cu(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one V(1), one V(7), and one Cu(2) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one V(1), one V(8), and one Cu(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one V(3), one V(6), and one Cu(2) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one V(2) and one Cu(1) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one V(7) and one Cu(2) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one V(8) and one Cu(1) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one V(3) and one Cu(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one V(6), one V(9), and one Cu(2) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one V(1), one V(4), and one Cu(1) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one V(10), one V(6), and one Cu(1) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one V(1), one V(5), and one Cu(2) atom. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one V(2) and one V(9) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one V(4) and one V(7) atom. In the fifteenth O site, O(15) is bonded in a bent 150 degrees geometry to one V(5) and one V(8) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one V(10) and one V(3) atom. In the seventeenth O site, O(17) is bonded in a bent 150 degrees geometry to one V(7) and one V(9) atom. In the eighteenth O site, O(18) is bonded in a bent 150 degrees geometry to one V(2) and one V(4) atom. In the nineteenth O site, O(19) is bonded in a bent 150 degrees geometry to one V(10) and one V(8) atom. In the twentieth O site, O(20) is bonded in a bent 150 degrees geometry to one V(3) and one V(5) atom. In the twenty-first O site, O(21) is bonded in a bent 150 degrees geometry to one V(6) and one V(9) atom. In the twenty-second O site, O(22) is bonded in a bent 150 degrees geometry to one V(1) and one V(4) atom. In the twenty-third O site, O(23) is bonded in a bent 150 degrees geometry to one V(10) and one V(6) atom. In the twenty-fourth O site, O(24) is bonded in a bent 150 degrees geometry to one V(1) and one V(5) atom. is represented by the CIF file [CIF]
data_V5CuO12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.922
_cell_length_b   6.773
_cell_length_c   6.767
_cell_angle_alpha   96.171
_cell_angle_beta   104.673
_cell_angle_gamma   75.251
_symmetry_Int_Tables_number   1
_cell_volume   253.631
_cell_formula_units_Z   1
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
  Cu  Cu0  1  0.750  0.906  0.906  1.0
  O  O1  1  0.618  0.963  0.185  1.0
  O  O2  1  0.882  0.186  0.963  1.0
  O  O3  1  0.762  0.920  0.614  1.0
  O  O4  1  0.738  0.614  0.921  1.0
  O  O5  1  0.172  0.799  0.041  1.0
  O  O6  1  0.328  0.041  0.799  1.0
  O  O7  1  0.553  0.625  0.363  1.0
  O  O8  1  0.947  0.363  0.626  1.0
  O  O9  1  0.052  0.661  0.368  1.0
  O  O10  1  0.448  0.369  0.661  1.0
  O  O11  1  0.282  0.370  0.097  1.0
  O  O12  1  0.219  0.097  0.370  1.0
  V  V13  1  0.250  0.081  0.081  1.0
  V  V14  1  0.750  0.797  0.385  1.0
  V  V15  1  0.750  0.385  0.798  1.0
  V  V16  1  0.264  0.609  0.212  1.0
  V  V17  1  0.237  0.213  0.609  1.0
[/CIF]
.
The structure described by V5CuO12 crystallizes in the triclinic P1 space group. There are ten inequivalent V sites. In the first V site, V(1) is bonded to one O(10), one O(12), one O(2), one O(22), one O(24), and one O(3) atom to form VO6 octahedra that share  a cornercorner with one V(7)O4 tetrahedra,  a cornercorner with one V(8)O4 tetrahedra, corners with two equivalent V(4)O4 tetrahedra, corners with two equivalent V(5)O4 tetrahedra,  an edgeedge with one Cu(1)O6 octahedra, and  an edgeedge with one Cu(2)O6 octahedra. In the second V site, V(2) is bonded to one O(1), one O(13), one O(18), and one O(5) atom to form VO4 tetrahedra that share  a cornercorner with one V(6)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra,  a cornercorner with one V(4)O4 tetrahedra, and  a cornercorner with one V(9)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 34-60°. In the third V site, V(3) is bonded to one O(16), one O(20), one O(4), and one O(8) atom to form VO4 tetrahedra that share  a cornercorner with one V(6)O6 octahedra, corners with two equivalent Cu(2)O6 octahedra,  a cornercorner with one V(10)O4 tetrahedra, and  a cornercorner with one V(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 34-60°. In the fourth V site, V(4) is bonded to one O(10), one O(14), one O(18), and one O(22) atom to form VO4 tetrahedra that share  a cornercorner with one Cu(1)O6 octahedra, corners with two equivalent V(1)O6 octahedra,  a cornercorner with one V(2)O4 tetrahedra, and  a cornercorner with one V(7)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 28-64°. In the fifth V site, V(5) is bonded to one O(12), one O(15), one O(20), and one O(24) atom to form VO4 tetrahedra that share  a cornercorner with one Cu(2)O6 octahedra, corners with two equivalent V(1)O6 octahedra,  a cornercorner with one V(3)O4 tetrahedra, and  a cornercorner with one V(8)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 28-64°. In the sixth V site, V(6) is bonded to one O(1), one O(11), one O(21), one O(23), one O(4), and one O(9) atom to form VO6 octahedra that share  a cornercorner with one V(2)O4 tetrahedra,  a cornercorner with one V(3)O4 tetrahedra, corners with two equivalent V(10)O4 tetrahedra, corners with two equivalent V(9)O4 tetrahedra,  an edgeedge with one Cu(1)O6 octahedra, and  an edgeedge with one Cu(2)O6 octahedra. In the seventh V site, V(7) is bonded to one O(14), one O(17), one O(2), and one O(6) atom to form VO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra, corners with two equivalent Cu(2)O6 octahedra,  a cornercorner with one V(4)O4 tetrahedra, and  a cornercorner with one V(9)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 34-61°. In the eighth V site, V(8) is bonded to one O(15), one O(19), one O(3), and one O(7) atom to form VO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra,  a cornercorner with one V(10)O4 tetrahedra, and  a cornercorner with one V(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 34-61°. In the ninth V site, V(9) is bonded to one O(13), one O(17), one O(21), and one O(9) atom to form VO4 tetrahedra that share  a cornercorner with one Cu(2)O6 octahedra, corners with two equivalent V(6)O6 octahedra,  a cornercorner with one V(2)O4 tetrahedra, and  a cornercorner with one V(7)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 27-65°. In the tenth V site, V(10) is bonded to one O(11), one O(16), one O(19), and one O(23) atom to form VO4 tetrahedra that share  a cornercorner with one Cu(1)O6 octahedra, corners with two equivalent V(6)O6 octahedra,  a cornercorner with one V(3)O4 tetrahedra, and  a cornercorner with one V(8)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 27-65°. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), one O(10), one O(11), one O(3), one O(5), and one O(7) atom to form distorted CuO6 octahedra that share  a cornercorner with one V(10)O4 tetrahedra,  a cornercorner with one V(4)O4 tetrahedra, corners with two equivalent V(2)O4 tetrahedra, corners with two equivalent V(8)O4 tetrahedra,  an edgeedge with one V(1)O6 octahedra, and  an edgeedge with one V(6)O6 octahedra. In the second Cu site, Cu(2) is bonded to one O(12), one O(2), one O(4), one O(6), one O(8), and one O(9) atom to form distorted CuO6 octahedra that share  a cornercorner with one V(5)O4 tetrahedra,  a cornercorner with one V(9)O4 tetrahedra, corners with two equivalent V(3)O4 tetrahedra, corners with two equivalent V(7)O4 tetrahedra,  an edgeedge with one V(1)O6 octahedra, and  an edgeedge with one V(6)O6 octahedra. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one V(2), one V(6), and one Cu(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one V(1), one V(7), and one Cu(2) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one V(1), one V(8), and one Cu(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one V(3), one V(6), and one Cu(2) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one V(2) and one Cu(1) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one V(7) and one Cu(2) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one V(8) and one Cu(1) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one V(3) and one Cu(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one V(6), one V(9), and one Cu(2) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one V(1), one V(4), and one Cu(1) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one V(10), one V(6), and one Cu(1) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one V(1), one V(5), and one Cu(2) atom. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one V(2) and one V(9) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one V(4) and one V(7) atom. In the fifteenth O site, O(15) is bonded in a bent 150 degrees geometry to one V(5) and one V(8) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one V(10) and one V(3) atom. In the seventeenth O site, O(17) is bonded in a bent 150 degrees geometry to one V(7) and one V(9) atom. In the eighteenth O site, O(18) is bonded in a bent 150 degrees geometry to one V(2) and one V(4) atom. In the nineteenth O site, O(19) is bonded in a bent 150 degrees geometry to one V(10) and one V(8) atom. In the twentieth O site, O(20) is bonded in a bent 150 degrees geometry to one V(3) and one V(5) atom. In the twenty-first O site, O(21) is bonded in a bent 150 degrees geometry to one V(6) and one V(9) atom. In the twenty-second O site, O(22) is bonded in a bent 150 degrees geometry to one V(1) and one V(4) atom. In the twenty-third O site, O(23) is bonded in a bent 150 degrees geometry to one V(10) and one V(6) atom. In the twenty-fourth O site, O(24) is bonded in a bent 150 degrees geometry to one V(1) and one V(5) atom. is represented by the CIF file [CIF]
data_V5CuO12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.922
_cell_length_b   6.773
_cell_length_c   6.767
_cell_angle_alpha   96.171
_cell_angle_beta   104.673
_cell_angle_gamma   75.251
_symmetry_Int_Tables_number   1
_cell_volume   253.631
_cell_formula_units_Z   1
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
  Cu  Cu0  1  0.750  0.906  0.906  1.0
  O  O1  1  0.618  0.963  0.185  1.0
  O  O2  1  0.882  0.186  0.963  1.0
  O  O3  1  0.762  0.920  0.614  1.0
  O  O4  1  0.738  0.614  0.921  1.0
  O  O5  1  0.172  0.799  0.041  1.0
  O  O6  1  0.328  0.041  0.799  1.0
  O  O7  1  0.553  0.625  0.363  1.0
  O  O8  1  0.947  0.363  0.626  1.0
  O  O9  1  0.052  0.661  0.368  1.0
  O  O10  1  0.448  0.369  0.661  1.0
  O  O11  1  0.282  0.370  0.097  1.0
  O  O12  1  0.219  0.097  0.370  1.0
  V  V13  1  0.250  0.081  0.081  1.0
  V  V14  1  0.750  0.797  0.385  1.0
  V  V15  1  0.750  0.385  0.798  1.0
  V  V16  1  0.264  0.609  0.212  1.0
  V  V17  1  0.237  0.213  0.609  1.0
[/CIF]
.