The structure described by V3(PO4)2 crystallizes in the triclinic P1 space group. There are six inequivalent V sites. In the first V site, V(1) is bonded to one O(10), one O(14), one O(16), one O(2), one O(4), and one O(6) atom to form VO6 octahedra that share corners with two equivalent V(4)O6 octahedra, corners with four equivalent V(3)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(4)O4 tetrahedra,  an edgeedge with one V(5)O6 octahedra, and  an edgeedge with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 51-65°. In the second V site, V(2) is bonded to one O(1), one O(11), one O(13), one O(15), one O(3), and one O(7) atom to form VO6 octahedra that share corners with two equivalent V(4)O6 octahedra, corners with four equivalent V(6)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra,  an edgeedge with one V(5)O6 octahedra, and  an edgeedge with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-66°. In the third V site, V(3) is bonded to one O(12), one O(14), one O(16), one O(2), one O(4), and one O(8) atom to form VO6 octahedra that share corners with two equivalent V(5)O6 octahedra, corners with four equivalent V(1)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  an edgeedge with one V(4)O6 octahedra, and  an edgeedge with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 51-66°. In the fourth V site, V(4) is bonded to one O(12), one O(13), one O(16), one O(6), one O(7), and one O(9) atom to form VO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent V(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(6)O6 octahedra,  an edgeedge with one P(1)O4 tetrahedra, and  an edgeedge with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 59-66°. In the fifth V site, V(5) is bonded to one O(10), one O(11), one O(14), one O(15), one O(5), and one O(8) atom to form VO6 octahedra that share corners with two equivalent V(3)O6 octahedra, corners with two equivalent V(6)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one P(2)O4 tetrahedra, and  an edgeedge with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 59-66°. In the sixth V site, V(6) is bonded to one O(1), one O(13), one O(15), one O(3), one O(5), and one O(9) atom to form VO6 octahedra that share corners with two equivalent V(5)O6 octahedra, corners with four equivalent V(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra,  an edgeedge with one V(4)O6 octahedra, and  an edgeedge with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-64°. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(13), one O(6), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one V(6)O6 octahedra, corners with two equivalent V(2)O6 octahedra,  an edgeedge with one V(4)O6 octahedra, and  an edgeedge with one V(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-57°. In the second P site, P(2) is bonded to one O(10), one O(14), one O(2), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(5)O6 octahedra,  a cornercorner with one V(6)O6 octahedra, corners with two equivalent V(3)O6 octahedra,  an edgeedge with one V(1)O6 octahedra, and  an edgeedge with one V(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-56°. In the third P site, P(3) is bonded to one O(11), one O(15), one O(3), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(3)O6 octahedra,  a cornercorner with one V(5)O6 octahedra, corners with two equivalent V(6)O6 octahedra,  an edgeedge with one V(2)O6 octahedra, and  an edgeedge with one V(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-57°. In the fourth P site, P(4) is bonded to one O(12), one O(16), one O(4), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(3)O6 octahedra,  a cornercorner with one V(4)O6 octahedra, corners with two equivalent V(1)O6 octahedra,  an edgeedge with one V(3)O6 octahedra, and  an edgeedge with one V(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-56°. There are sixteen 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 P(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one V(1), one V(3), and one P(2) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one V(2), one V(6), and one P(3) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one V(1), one V(3), and one P(4) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one V(5), one V(6), and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one V(1), one V(4), and one P(1) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one V(2), one V(4), and one P(4) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one V(3), one V(5), and one P(3) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one V(4), one V(6), and one P(1) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one V(1), one V(5), and one P(2) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one V(2), one V(5), and one P(3) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one V(3), one V(4), and one P(4) atom. In the thirteenth O site, O(13) is bonded in a distorted rectangular see-saw-like geometry to one V(2), one V(4), one V(6), and one P(1) atom. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one V(1), one V(3), one V(5), and one P(2) atom. In the fifteenth O site, O(15) is bonded in a rectangular see-saw-like geometry to one V(2), one V(5), one V(6), and one P(3) atom. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one V(1), one V(3), one V(4), and one P(4) atom. is represented by the CIF file [CIF]
data_V3(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.808
_cell_length_b   10.353
_cell_length_c   6.012
_cell_angle_alpha   91.479
_cell_angle_beta   89.955
_cell_angle_gamma   89.927
_symmetry_Int_Tables_number   1
_cell_volume   299.105
_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  0.988  0.273  0.247  1.0
  V  V1  1  0.013  0.727  0.753  1.0
  V  V2  1  0.488  0.227  0.755  1.0
  V  V3  1  0.499  0.498  0.501  1.0
  V  V4  1  0.001  0.003  0.503  1.0
  V  V5  1  0.511  0.773  0.242  1.0
  P  P6  1  0.075  0.594  0.249  1.0
  P  P7  1  0.424  0.095  0.248  1.0
  P  P8  1  0.577  0.905  0.749  1.0
  P  P9  1  0.924  0.405  0.753  1.0
  O  O10  1  0.190  0.669  0.053  1.0
  O  O11  1  0.308  0.170  0.054  1.0
  O  O12  1  0.693  0.829  0.943  1.0
  O  O13  1  0.806  0.330  0.948  1.0
  O  O14  1  0.312  0.956  0.256  1.0
  O  O15  1  0.186  0.455  0.257  1.0
  O  O16  1  0.813  0.544  0.744  1.0
  O  O17  1  0.686  0.044  0.745  1.0
  O  O18  1  0.760  0.601  0.271  1.0
  O  O19  1  0.740  0.100  0.268  1.0
  O  O20  1  0.261  0.899  0.730  1.0
  O  O21  1  0.239  0.399  0.734  1.0
  O  O22  1  0.229  0.662  0.456  1.0
  O  O23  1  0.275  0.163  0.457  1.0
  O  O24  1  0.729  0.840  0.539  1.0
  O  O25  1  0.774  0.337  0.545  1.0
[/CIF]
.
The structure described by V3(PO4)2 crystallizes in the triclinic P1 space group. There are six inequivalent V sites. In the first V site, V(1) is bonded to one O(10), one O(14), one O(16), one O(2), one O(4), and one O(6) atom to form VO6 octahedra that share corners with two equivalent V(4)O6 octahedra, corners with four equivalent V(3)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(4)O4 tetrahedra,  an edgeedge with one V(5)O6 octahedra, and  an edgeedge with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 51-65°. In the second V site, V(2) is bonded to one O(1), one O(11), one O(13), one O(15), one O(3), and one O(7) atom to form VO6 octahedra that share corners with two equivalent V(4)O6 octahedra, corners with four equivalent V(6)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra,  an edgeedge with one V(5)O6 octahedra, and  an edgeedge with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-66°. In the third V site, V(3) is bonded to one O(12), one O(14), one O(16), one O(2), one O(4), and one O(8) atom to form VO6 octahedra that share corners with two equivalent V(5)O6 octahedra, corners with four equivalent V(1)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  an edgeedge with one V(4)O6 octahedra, and  an edgeedge with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 51-66°. In the fourth V site, V(4) is bonded to one O(12), one O(13), one O(16), one O(6), one O(7), and one O(9) atom to form VO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent V(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(6)O6 octahedra,  an edgeedge with one P(1)O4 tetrahedra, and  an edgeedge with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 59-66°. In the fifth V site, V(5) is bonded to one O(10), one O(11), one O(14), one O(15), one O(5), and one O(8) atom to form VO6 octahedra that share corners with two equivalent V(3)O6 octahedra, corners with two equivalent V(6)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one P(2)O4 tetrahedra, and  an edgeedge with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 59-66°. In the sixth V site, V(6) is bonded to one O(1), one O(13), one O(15), one O(3), one O(5), and one O(9) atom to form VO6 octahedra that share corners with two equivalent V(5)O6 octahedra, corners with four equivalent V(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra,  an edgeedge with one V(4)O6 octahedra, and  an edgeedge with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-64°. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(13), one O(6), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one V(6)O6 octahedra, corners with two equivalent V(2)O6 octahedra,  an edgeedge with one V(4)O6 octahedra, and  an edgeedge with one V(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-57°. In the second P site, P(2) is bonded to one O(10), one O(14), one O(2), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(5)O6 octahedra,  a cornercorner with one V(6)O6 octahedra, corners with two equivalent V(3)O6 octahedra,  an edgeedge with one V(1)O6 octahedra, and  an edgeedge with one V(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-56°. In the third P site, P(3) is bonded to one O(11), one O(15), one O(3), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(3)O6 octahedra,  a cornercorner with one V(5)O6 octahedra, corners with two equivalent V(6)O6 octahedra,  an edgeedge with one V(2)O6 octahedra, and  an edgeedge with one V(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-57°. In the fourth P site, P(4) is bonded to one O(12), one O(16), one O(4), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(3)O6 octahedra,  a cornercorner with one V(4)O6 octahedra, corners with two equivalent V(1)O6 octahedra,  an edgeedge with one V(3)O6 octahedra, and  an edgeedge with one V(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-56°. There are sixteen 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 P(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one V(1), one V(3), and one P(2) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one V(2), one V(6), and one P(3) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one V(1), one V(3), and one P(4) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one V(5), one V(6), and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one V(1), one V(4), and one P(1) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one V(2), one V(4), and one P(4) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one V(3), one V(5), and one P(3) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one V(4), one V(6), and one P(1) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one V(1), one V(5), and one P(2) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one V(2), one V(5), and one P(3) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one V(3), one V(4), and one P(4) atom. In the thirteenth O site, O(13) is bonded in a distorted rectangular see-saw-like geometry to one V(2), one V(4), one V(6), and one P(1) atom. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one V(1), one V(3), one V(5), and one P(2) atom. In the fifteenth O site, O(15) is bonded in a rectangular see-saw-like geometry to one V(2), one V(5), one V(6), and one P(3) atom. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one V(1), one V(3), one V(4), and one P(4) atom. is represented by the CIF file [CIF]
data_V3(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.808
_cell_length_b   10.353
_cell_length_c   6.012
_cell_angle_alpha   91.479
_cell_angle_beta   89.955
_cell_angle_gamma   89.927
_symmetry_Int_Tables_number   1
_cell_volume   299.105
_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  0.988  0.273  0.247  1.0
  V  V1  1  0.013  0.727  0.753  1.0
  V  V2  1  0.488  0.227  0.755  1.0
  V  V3  1  0.499  0.498  0.501  1.0
  V  V4  1  0.001  0.003  0.503  1.0
  V  V5  1  0.511  0.773  0.242  1.0
  P  P6  1  0.075  0.594  0.249  1.0
  P  P7  1  0.424  0.095  0.248  1.0
  P  P8  1  0.577  0.905  0.749  1.0
  P  P9  1  0.924  0.405  0.753  1.0
  O  O10  1  0.190  0.669  0.053  1.0
  O  O11  1  0.308  0.170  0.054  1.0
  O  O12  1  0.693  0.829  0.943  1.0
  O  O13  1  0.806  0.330  0.948  1.0
  O  O14  1  0.312  0.956  0.256  1.0
  O  O15  1  0.186  0.455  0.257  1.0
  O  O16  1  0.813  0.544  0.744  1.0
  O  O17  1  0.686  0.044  0.745  1.0
  O  O18  1  0.760  0.601  0.271  1.0
  O  O19  1  0.740  0.100  0.268  1.0
  O  O20  1  0.261  0.899  0.730  1.0
  O  O21  1  0.239  0.399  0.734  1.0
  O  O22  1  0.229  0.662  0.456  1.0
  O  O23  1  0.275  0.163  0.457  1.0
  O  O24  1  0.729  0.840  0.539  1.0
  O  O25  1  0.774  0.337  0.545  1.0
[/CIF]
.