The material structure described by Li2VSi4O11 crystallizes in the monoclinic C2/c space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded in a distorted trigonal planar geometry to one O(6) and two equivalent O(5) atoms. In the second Li site, Li(2) is bonded in a 4-coordinate geometry to two equivalent O(3) and two equivalent O(5) atoms. V(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(5) atoms to form VO6 octahedra that share corners with two equivalent Si(2)O4 tetrahedra and corners with four equivalent Si(1)O4 tetrahedra. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form SiO4 tetrahedra that share corners with two equivalent V(1)O6 octahedra and corners with two equivalent Si(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 16-53°. In the second Si site, Si(2) is bonded to one O(1), one O(4), one O(5), and one O(6) atom to form SiO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Si(2)O4 tetrahedra, and corners with two equivalent Si(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 47°. There are six inequivalent O sites. In the first O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Li(2), one V(1), and one Si(1) atom. In the second O site, O(4) is bonded in a bent 150 degrees geometry to one Si(1) and one Si(2) atom. In the third O site, O(5) is bonded in a 4-coordinate geometry to one Li(1), one Li(2), one V(1), and one Si(2) atom. In the fourth O site, O(6) is bonded in a trigonal planar geometry to one Li(1) and two equivalent Si(2) atoms. In the fifth O site, O(1) is bonded in a bent 150 degrees geometry to one Si(1) and one Si(2) atom. In the sixth O site, O(2) is bonded in a linear geometry to one V(1) and one Si(1) atom. is represented by the CIF card [CIF]
data_Li2VSi4O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.262
_cell_length_b   7.262
_cell_length_c   8.222
_cell_angle_alpha   81.254
_cell_angle_beta   81.254
_cell_angle_gamma   83.869
_symmetry_Int_Tables_number   1
_cell_volume   422.021
_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  0.919  0.081  0.750  1.0
  Li  Li1  1  0.647  0.353  0.750  1.0
  Li  Li2  1  0.353  0.647  0.250  1.0
  Li  Li3  1  0.081  0.919  0.250  1.0
  V  V4  1  0.000  0.500  0.500  1.0
  V  V5  1  0.500  0.000  0.000  1.0
  Si  Si6  1  0.656  0.779  0.658  1.0
  Si  Si7  1  0.779  0.656  0.158  1.0
  Si  Si8  1  0.250  0.843  0.563  1.0
  Si  Si9  1  0.157  0.750  0.937  1.0
  Si  Si10  1  0.843  0.250  0.063  1.0
  Si  Si11  1  0.750  0.157  0.437  1.0
  Si  Si12  1  0.221  0.344  0.842  1.0
  Si  Si13  1  0.344  0.221  0.342  1.0
  O  O14  1  0.761  0.943  0.530  1.0
  O  O15  1  0.601  0.860  0.835  1.0
  O  O16  1  0.943  0.761  0.030  1.0
  O  O17  1  0.860  0.601  0.335  1.0
  O  O18  1  0.790  0.588  0.674  1.0
  O  O19  1  0.588  0.790  0.174  1.0
  O  O20  1  0.461  0.749  0.588  1.0
  O  O21  1  0.847  0.269  0.552  1.0
  O  O22  1  0.749  0.461  0.088  1.0
  O  O23  1  0.133  0.867  0.750  1.0
  O  O24  1  0.731  0.153  0.948  1.0
  O  O25  1  0.269  0.847  0.052  1.0
  O  O26  1  0.867  0.133  0.250  1.0
  O  O27  1  0.251  0.539  0.912  1.0
  O  O28  1  0.153  0.731  0.448  1.0
  O  O29  1  0.539  0.251  0.412  1.0
  O  O30  1  0.412  0.210  0.826  1.0
  O  O31  1  0.210  0.412  0.326  1.0
  O  O32  1  0.140  0.399  0.665  1.0
  O  O33  1  0.057  0.239  0.970  1.0
  O  O34  1  0.399  0.140  0.165  1.0
  O  O35  1  0.239  0.057  0.470  1.0
[/CIF]
.
The material structure described by Li2VSi4O11 crystallizes in the monoclinic C2/c space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded in a distorted trigonal planar geometry to one O(6) and two equivalent O(5) atoms. In the second Li site, Li(2) is bonded in a 4-coordinate geometry to two equivalent O(3) and two equivalent O(5) atoms. V(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(5) atoms to form VO6 octahedra that share corners with two equivalent Si(2)O4 tetrahedra and corners with four equivalent Si(1)O4 tetrahedra. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form SiO4 tetrahedra that share corners with two equivalent V(1)O6 octahedra and corners with two equivalent Si(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 16-53°. In the second Si site, Si(2) is bonded to one O(1), one O(4), one O(5), and one O(6) atom to form SiO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Si(2)O4 tetrahedra, and corners with two equivalent Si(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 47°. There are six inequivalent O sites. In the first O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Li(2), one V(1), and one Si(1) atom. In the second O site, O(4) is bonded in a bent 150 degrees geometry to one Si(1) and one Si(2) atom. In the third O site, O(5) is bonded in a 4-coordinate geometry to one Li(1), one Li(2), one V(1), and one Si(2) atom. In the fourth O site, O(6) is bonded in a trigonal planar geometry to one Li(1) and two equivalent Si(2) atoms. In the fifth O site, O(1) is bonded in a bent 150 degrees geometry to one Si(1) and one Si(2) atom. In the sixth O site, O(2) is bonded in a linear geometry to one V(1) and one Si(1) atom. is represented by the CIF card [CIF]
data_Li2VSi4O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.262
_cell_length_b   7.262
_cell_length_c   8.222
_cell_angle_alpha   81.254
_cell_angle_beta   81.254
_cell_angle_gamma   83.869
_symmetry_Int_Tables_number   1
_cell_volume   422.021
_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  0.919  0.081  0.750  1.0
  Li  Li1  1  0.647  0.353  0.750  1.0
  Li  Li2  1  0.353  0.647  0.250  1.0
  Li  Li3  1  0.081  0.919  0.250  1.0
  V  V4  1  0.000  0.500  0.500  1.0
  V  V5  1  0.500  0.000  0.000  1.0
  Si  Si6  1  0.656  0.779  0.658  1.0
  Si  Si7  1  0.779  0.656  0.158  1.0
  Si  Si8  1  0.250  0.843  0.563  1.0
  Si  Si9  1  0.157  0.750  0.937  1.0
  Si  Si10  1  0.843  0.250  0.063  1.0
  Si  Si11  1  0.750  0.157  0.437  1.0
  Si  Si12  1  0.221  0.344  0.842  1.0
  Si  Si13  1  0.344  0.221  0.342  1.0
  O  O14  1  0.761  0.943  0.530  1.0
  O  O15  1  0.601  0.860  0.835  1.0
  O  O16  1  0.943  0.761  0.030  1.0
  O  O17  1  0.860  0.601  0.335  1.0
  O  O18  1  0.790  0.588  0.674  1.0
  O  O19  1  0.588  0.790  0.174  1.0
  O  O20  1  0.461  0.749  0.588  1.0
  O  O21  1  0.847  0.269  0.552  1.0
  O  O22  1  0.749  0.461  0.088  1.0
  O  O23  1  0.133  0.867  0.750  1.0
  O  O24  1  0.731  0.153  0.948  1.0
  O  O25  1  0.269  0.847  0.052  1.0
  O  O26  1  0.867  0.133  0.250  1.0
  O  O27  1  0.251  0.539  0.912  1.0
  O  O28  1  0.153  0.731  0.448  1.0
  O  O29  1  0.539  0.251  0.412  1.0
  O  O30  1  0.412  0.210  0.826  1.0
  O  O31  1  0.210  0.412  0.326  1.0
  O  O32  1  0.140  0.399  0.665  1.0
  O  O33  1  0.057  0.239  0.970  1.0
  O  O34  1  0.399  0.140  0.165  1.0
  O  O35  1  0.239  0.057  0.470  1.0
[/CIF]
.