The structure described by Li3VSiO5 is Caswellsilverite-derived structured and crystallizes in the triclinic P-1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), two equivalent O(3), and two equivalent O(5) atoms to form distorted LiO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent V(1)O6 octahedra, corners with two equivalent Si(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with three equivalent V(1)O6 octahedra, and edges with three equivalent Si(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-19°. In the second Li site, Li(2) is bonded to one O(1), one O(5), two equivalent O(2), and two equivalent O(4) atoms to form LiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one V(1)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Si(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Si(1)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-19°. In the third Li site, Li(3) is bonded to one O(2), one O(3), two equivalent O(1), and two equivalent O(4) atoms to form LiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Si(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent V(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent V(1)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Si(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 7-16°. V(1) is bonded to one O(1), one O(2), one O(3), one O(4), and two equivalent O(5) atoms to form VO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Si(1)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(3)O6 octahedra,  an edgeedge with one V(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Si(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-15°. Si(1) is bonded to one O(1), one O(2), one O(4), one O(5), and two equivalent O(3) atoms to form SiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one V(1)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra,  an edgeedge with one Si(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-15°. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), two equivalent Li(3), one V(1), and one Si(1) atom to form distorted OLi4VSi octahedra that share  a cornercorner with one O(3)Li3VSi2 octahedra,  a cornercorner with one O(2)Li4VSi octahedra, corners with two equivalent O(5)Li3V2Si octahedra, corners with two equivalent O(4)Li4VSi octahedra,  an edgeedge with one O(1)Li4VSi octahedra, edges with two equivalent O(5)Li3V2Si octahedra, edges with three equivalent O(3)Li3VSi2 octahedra, edges with three equivalent O(2)Li4VSi octahedra, and edges with three equivalent O(4)Li4VSi octahedra. The corner-sharing octahedral tilt angles range from 4-18°. In the second O site, O(2) is bonded to one Li(1), one Li(3), two equivalent Li(2), one V(1), and one Si(1) atom to form distorted OLi4VSi octahedra that share  a cornercorner with one O(5)Li3V2Si octahedra,  a cornercorner with one O(1)Li4VSi octahedra, corners with two equivalent O(3)Li3VSi2 octahedra, corners with two equivalent O(4)Li4VSi octahedra,  an edgeedge with one O(2)Li4VSi octahedra, edges with two equivalent O(3)Li3VSi2 octahedra, edges with three equivalent O(5)Li3V2Si octahedra, edges with three equivalent O(1)Li4VSi octahedra, and edges with three equivalent O(4)Li4VSi octahedra. The corner-sharing octahedral tilt angles range from 3-14°. In the third O site, O(3) is bonded to one Li(3), two equivalent Li(1), one V(1), and two equivalent Si(1) atoms to form OLi3VSi2 octahedra that share  a cornercorner with one O(1)Li4VSi octahedra,  a cornercorner with one O(4)Li4VSi octahedra, corners with two equivalent O(5)Li3V2Si octahedra, corners with two equivalent O(2)Li4VSi octahedra, edges with two equivalent O(3)Li3VSi2 octahedra, edges with two equivalent O(2)Li4VSi octahedra, edges with two equivalent O(4)Li4VSi octahedra, edges with three equivalent O(5)Li3V2Si octahedra, and edges with three equivalent O(1)Li4VSi octahedra. The corner-sharing octahedral tilt angles range from 2-18°. In the fourth O site, O(4) is bonded to two equivalent Li(2), two equivalent Li(3), one V(1), and one Si(1) atom to form OLi4VSi octahedra that share  a cornercorner with one O(5)Li3V2Si octahedra,  a cornercorner with one O(3)Li3VSi2 octahedra, corners with two equivalent O(1)Li4VSi octahedra, corners with two equivalent O(2)Li4VSi octahedra, edges with two equivalent O(5)Li3V2Si octahedra, edges with two equivalent O(3)Li3VSi2 octahedra, edges with two equivalent O(4)Li4VSi octahedra, edges with three equivalent O(1)Li4VSi octahedra, and edges with three equivalent O(2)Li4VSi octahedra. The corner-sharing octahedral tilt angles range from 3-8°. In the fifth O site, O(5) is bonded to one Li(2), two equivalent Li(1), two equivalent V(1), and one Si(1) atom to form OLi3V2Si octahedra that share  a cornercorner with one O(2)Li4VSi octahedra,  a cornercorner with one O(4)Li4VSi octahedra, corners with two equivalent O(3)Li3VSi2 octahedra, corners with two equivalent O(1)Li4VSi octahedra, edges with two equivalent O(5)Li3V2Si octahedra, edges with two equivalent O(1)Li4VSi octahedra, edges with two equivalent O(4)Li4VSi octahedra, edges with three equivalent O(3)Li3VSi2 octahedra, and edges with three equivalent O(2)Li4VSi octahedra. The corner-sharing octahedral tilt angles range from 2-14°. is represented by the CIF file [CIF]
data_Li3VSiO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.112
_cell_length_b   5.815
_cell_length_c   6.269
_cell_angle_alpha   76.022
_cell_angle_beta   76.076
_cell_angle_gamma   73.667
_symmetry_Int_Tables_number   1
_cell_volume   170.543
_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
  Li  Li0  1  0.518  0.239  0.993  1.0
  Li  Li1  1  0.306  0.449  0.398  1.0
  Li  Li2  1  0.323  0.949  0.392  1.0
  Li  Li3  1  0.677  0.051  0.608  1.0
  Li  Li4  1  0.694  0.551  0.602  1.0
  Li  Li5  1  0.482  0.761  0.007  1.0
  V  V6  1  0.902  0.345  0.218  1.0
  V  V7  1  0.098  0.655  0.782  1.0
  Si  Si8  1  0.899  0.850  0.213  1.0
  Si  Si9  1  0.101  0.150  0.787  1.0
  O  O10  1  0.648  0.116  0.284  1.0
  O  O11  1  0.649  0.671  0.280  1.0
  O  O12  1  0.159  0.042  0.095  1.0
  O  O13  1  0.001  0.757  0.476  1.0
  O  O14  1  0.160  0.583  0.109  1.0
  O  O15  1  0.840  0.417  0.891  1.0
  O  O16  1  0.999  0.243  0.524  1.0
  O  O17  1  0.841  0.958  0.905  1.0
  O  O18  1  0.351  0.329  0.720  1.0
  O  O19  1  0.352  0.884  0.716  1.0
[/CIF]
.
The structure described by Li3VSiO5 is Caswellsilverite-derived structured and crystallizes in the triclinic P-1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), two equivalent O(3), and two equivalent O(5) atoms to form distorted LiO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent V(1)O6 octahedra, corners with two equivalent Si(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with three equivalent V(1)O6 octahedra, and edges with three equivalent Si(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-19°. In the second Li site, Li(2) is bonded to one O(1), one O(5), two equivalent O(2), and two equivalent O(4) atoms to form LiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one V(1)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Si(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Si(1)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-19°. In the third Li site, Li(3) is bonded to one O(2), one O(3), two equivalent O(1), and two equivalent O(4) atoms to form LiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Si(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent V(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent V(1)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Si(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 7-16°. V(1) is bonded to one O(1), one O(2), one O(3), one O(4), and two equivalent O(5) atoms to form VO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Si(1)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(3)O6 octahedra,  an edgeedge with one V(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Si(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-15°. Si(1) is bonded to one O(1), one O(2), one O(4), one O(5), and two equivalent O(3) atoms to form SiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one V(1)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra,  an edgeedge with one Si(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-15°. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), two equivalent Li(3), one V(1), and one Si(1) atom to form distorted OLi4VSi octahedra that share  a cornercorner with one O(3)Li3VSi2 octahedra,  a cornercorner with one O(2)Li4VSi octahedra, corners with two equivalent O(5)Li3V2Si octahedra, corners with two equivalent O(4)Li4VSi octahedra,  an edgeedge with one O(1)Li4VSi octahedra, edges with two equivalent O(5)Li3V2Si octahedra, edges with three equivalent O(3)Li3VSi2 octahedra, edges with three equivalent O(2)Li4VSi octahedra, and edges with three equivalent O(4)Li4VSi octahedra. The corner-sharing octahedral tilt angles range from 4-18°. In the second O site, O(2) is bonded to one Li(1), one Li(3), two equivalent Li(2), one V(1), and one Si(1) atom to form distorted OLi4VSi octahedra that share  a cornercorner with one O(5)Li3V2Si octahedra,  a cornercorner with one O(1)Li4VSi octahedra, corners with two equivalent O(3)Li3VSi2 octahedra, corners with two equivalent O(4)Li4VSi octahedra,  an edgeedge with one O(2)Li4VSi octahedra, edges with two equivalent O(3)Li3VSi2 octahedra, edges with three equivalent O(5)Li3V2Si octahedra, edges with three equivalent O(1)Li4VSi octahedra, and edges with three equivalent O(4)Li4VSi octahedra. The corner-sharing octahedral tilt angles range from 3-14°. In the third O site, O(3) is bonded to one Li(3), two equivalent Li(1), one V(1), and two equivalent Si(1) atoms to form OLi3VSi2 octahedra that share  a cornercorner with one O(1)Li4VSi octahedra,  a cornercorner with one O(4)Li4VSi octahedra, corners with two equivalent O(5)Li3V2Si octahedra, corners with two equivalent O(2)Li4VSi octahedra, edges with two equivalent O(3)Li3VSi2 octahedra, edges with two equivalent O(2)Li4VSi octahedra, edges with two equivalent O(4)Li4VSi octahedra, edges with three equivalent O(5)Li3V2Si octahedra, and edges with three equivalent O(1)Li4VSi octahedra. The corner-sharing octahedral tilt angles range from 2-18°. In the fourth O site, O(4) is bonded to two equivalent Li(2), two equivalent Li(3), one V(1), and one Si(1) atom to form OLi4VSi octahedra that share  a cornercorner with one O(5)Li3V2Si octahedra,  a cornercorner with one O(3)Li3VSi2 octahedra, corners with two equivalent O(1)Li4VSi octahedra, corners with two equivalent O(2)Li4VSi octahedra, edges with two equivalent O(5)Li3V2Si octahedra, edges with two equivalent O(3)Li3VSi2 octahedra, edges with two equivalent O(4)Li4VSi octahedra, edges with three equivalent O(1)Li4VSi octahedra, and edges with three equivalent O(2)Li4VSi octahedra. The corner-sharing octahedral tilt angles range from 3-8°. In the fifth O site, O(5) is bonded to one Li(2), two equivalent Li(1), two equivalent V(1), and one Si(1) atom to form OLi3V2Si octahedra that share  a cornercorner with one O(2)Li4VSi octahedra,  a cornercorner with one O(4)Li4VSi octahedra, corners with two equivalent O(3)Li3VSi2 octahedra, corners with two equivalent O(1)Li4VSi octahedra, edges with two equivalent O(5)Li3V2Si octahedra, edges with two equivalent O(1)Li4VSi octahedra, edges with two equivalent O(4)Li4VSi octahedra, edges with three equivalent O(3)Li3VSi2 octahedra, and edges with three equivalent O(2)Li4VSi octahedra. The corner-sharing octahedral tilt angles range from 2-14°. is represented by the CIF file [CIF]
data_Li3VSiO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.112
_cell_length_b   5.815
_cell_length_c   6.269
_cell_angle_alpha   76.022
_cell_angle_beta   76.076
_cell_angle_gamma   73.667
_symmetry_Int_Tables_number   1
_cell_volume   170.543
_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
  Li  Li0  1  0.518  0.239  0.993  1.0
  Li  Li1  1  0.306  0.449  0.398  1.0
  Li  Li2  1  0.323  0.949  0.392  1.0
  Li  Li3  1  0.677  0.051  0.608  1.0
  Li  Li4  1  0.694  0.551  0.602  1.0
  Li  Li5  1  0.482  0.761  0.007  1.0
  V  V6  1  0.902  0.345  0.218  1.0
  V  V7  1  0.098  0.655  0.782  1.0
  Si  Si8  1  0.899  0.850  0.213  1.0
  Si  Si9  1  0.101  0.150  0.787  1.0
  O  O10  1  0.648  0.116  0.284  1.0
  O  O11  1  0.649  0.671  0.280  1.0
  O  O12  1  0.159  0.042  0.095  1.0
  O  O13  1  0.001  0.757  0.476  1.0
  O  O14  1  0.160  0.583  0.109  1.0
  O  O15  1  0.840  0.417  0.891  1.0
  O  O16  1  0.999  0.243  0.524  1.0
  O  O17  1  0.841  0.958  0.905  1.0
  O  O18  1  0.351  0.329  0.720  1.0
  O  O19  1  0.352  0.884  0.716  1.0
[/CIF]
.