The compound described by NaV5O10 crystallizes in the triclinic P1 space group. Na(1) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(5), and one O(7) atom. There are five inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(3), one O(4), one O(5), one O(8), and one O(9) atom to form distorted VO6 octahedra that share corners with two equivalent V(2)O6 octahedra,  a cornercorner with one V(3)O5 trigonal bipyramid, edges with two equivalent V(4)O6 octahedra, and  an edgeedge with one V(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 15-23°. In the second V site, V(2) is bonded to one O(10), one O(2), one O(3), one O(5), one O(6), and one O(7) atom to form VO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent V(4)O6 octahedra,  a cornercorner with one V(3)O5 trigonal bipyramid, and  an edgeedge with one V(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 14-30°. In the third V site, V(3) is bonded to one O(1), one O(2), one O(3), one O(4), and one O(7) atom to form a mixture of distorted corner and edge-sharing VO5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 17-60°. In the fourth V site, V(4) is bonded to one O(1), one O(10), one O(4), one O(6), one O(8), and one O(9) atom to form distorted VO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with two equivalent V(3)O5 trigonal bipyramids, and edges with two equivalent V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-30°. In the fifth V site, V(5) is bonded in a 5-coordinate geometry to one O(2), one O(6), one O(7), one O(8), and one O(9) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Na(1), one V(1), one V(3), and one V(4) atom to form a mixture of corner and edge-sharing ONaV3 trigonal pyramids. In the second O site, O(2) is bonded to one Na(1), one V(2), one V(3), and one V(5) atom to form a mixture of corner and edge-sharing ONaV3 trigonal pyramids. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Na(1), one V(1), one V(2), and one V(3) atom. In the fourth O site, O(4) is bonded in a distorted see-saw-like geometry to one Na(1), one V(1), one V(3), and one V(4) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Na(1), one V(1), and one V(2) atom. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one V(2), one V(4), and one V(5) atom. In the seventh O site, O(7) is bonded to one Na(1), one V(2), one V(3), and one V(5) atom to form a mixture of corner and edge-sharing ONaV3 tetrahedra. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one V(1), one V(4), and one V(5) atom. In the ninth O site, O(9) is bonded in a T-shaped geometry to one V(1), one V(4), and one V(5) atom. In the tenth O site, O(10) is bonded in a distorted linear geometry to one Na(1), one V(2), and one V(4) atom. is represented by the CIF file [CIF]
data_NaV5O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.613
_cell_length_b   5.711
_cell_length_c   7.133
_cell_angle_alpha   83.338
_cell_angle_beta   111.038
_cell_angle_gamma   115.510
_symmetry_Int_Tables_number   1
_cell_volume   192.418
_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
  Na  Na0  1  0.557  0.982  0.269  1.0
  V  V1  1  0.981  0.005  0.006  1.0
  V  V2  1  0.199  0.486  0.401  1.0
  V  V3  1  0.644  0.514  0.161  1.0
  V  V4  1  0.417  0.003  0.772  1.0
  V  V5  1  0.774  0.502  0.630  1.0
  O  O6  1  0.413  0.213  0.011  1.0
  O  O7  1  0.825  0.361  0.421  1.0
  O  O8  1  0.015  0.686  0.167  1.0
  O  O9  1  0.591  0.795  0.987  1.0
  O  O10  1  0.077  0.196  0.214  1.0
  O  O11  1  0.402  0.319  0.626  1.0
  O  O12  1  0.579  0.630  0.372  1.0
  O  O13  1  0.997  0.802  0.780  1.0
  O  O14  1  0.811  0.213  0.807  1.0
  O  O15  1  0.319  0.792  0.577  1.0
[/CIF]
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The compound described by NaV5O10 crystallizes in the triclinic P1 space group. Na(1) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(5), and one O(7) atom. There are five inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(3), one O(4), one O(5), one O(8), and one O(9) atom to form distorted VO6 octahedra that share corners with two equivalent V(2)O6 octahedra,  a cornercorner with one V(3)O5 trigonal bipyramid, edges with two equivalent V(4)O6 octahedra, and  an edgeedge with one V(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 15-23°. In the second V site, V(2) is bonded to one O(10), one O(2), one O(3), one O(5), one O(6), and one O(7) atom to form VO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent V(4)O6 octahedra,  a cornercorner with one V(3)O5 trigonal bipyramid, and  an edgeedge with one V(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 14-30°. In the third V site, V(3) is bonded to one O(1), one O(2), one O(3), one O(4), and one O(7) atom to form a mixture of distorted corner and edge-sharing VO5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 17-60°. In the fourth V site, V(4) is bonded to one O(1), one O(10), one O(4), one O(6), one O(8), and one O(9) atom to form distorted VO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with two equivalent V(3)O5 trigonal bipyramids, and edges with two equivalent V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-30°. In the fifth V site, V(5) is bonded in a 5-coordinate geometry to one O(2), one O(6), one O(7), one O(8), and one O(9) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Na(1), one V(1), one V(3), and one V(4) atom to form a mixture of corner and edge-sharing ONaV3 trigonal pyramids. In the second O site, O(2) is bonded to one Na(1), one V(2), one V(3), and one V(5) atom to form a mixture of corner and edge-sharing ONaV3 trigonal pyramids. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Na(1), one V(1), one V(2), and one V(3) atom. In the fourth O site, O(4) is bonded in a distorted see-saw-like geometry to one Na(1), one V(1), one V(3), and one V(4) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Na(1), one V(1), and one V(2) atom. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one V(2), one V(4), and one V(5) atom. In the seventh O site, O(7) is bonded to one Na(1), one V(2), one V(3), and one V(5) atom to form a mixture of corner and edge-sharing ONaV3 tetrahedra. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one V(1), one V(4), and one V(5) atom. In the ninth O site, O(9) is bonded in a T-shaped geometry to one V(1), one V(4), and one V(5) atom. In the tenth O site, O(10) is bonded in a distorted linear geometry to one Na(1), one V(2), and one V(4) atom. is represented by the CIF file [CIF]
data_NaV5O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.613
_cell_length_b   5.711
_cell_length_c   7.133
_cell_angle_alpha   83.338
_cell_angle_beta   111.038
_cell_angle_gamma   115.510
_symmetry_Int_Tables_number   1
_cell_volume   192.418
_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
  Na  Na0  1  0.557  0.982  0.269  1.0
  V  V1  1  0.981  0.005  0.006  1.0
  V  V2  1  0.199  0.486  0.401  1.0
  V  V3  1  0.644  0.514  0.161  1.0
  V  V4  1  0.417  0.003  0.772  1.0
  V  V5  1  0.774  0.502  0.630  1.0
  O  O6  1  0.413  0.213  0.011  1.0
  O  O7  1  0.825  0.361  0.421  1.0
  O  O8  1  0.015  0.686  0.167  1.0
  O  O9  1  0.591  0.795  0.987  1.0
  O  O10  1  0.077  0.196  0.214  1.0
  O  O11  1  0.402  0.319  0.626  1.0
  O  O12  1  0.579  0.630  0.372  1.0
  O  O13  1  0.997  0.802  0.780  1.0
  O  O14  1  0.811  0.213  0.807  1.0
  O  O15  1  0.319  0.792  0.577  1.0
[/CIF]
.