The compound described by Li5VCr3O8 crystallizes in the trigonal R-3m space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded in a trigonal planar geometry to three equivalent O(2) atoms. In the second Li site, Li(2) is bonded to two equivalent O(1) and four equivalent O(2) atoms to form LiO6 octahedra that share corners with six equivalent Cr(1)O6 octahedra, edges with two equivalent V(1)O6 octahedra, edges with four equivalent Li(2)O6 octahedra, and edges with four equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-6°. V(1) is bonded to six equivalent O(2) atoms to form VO6 octahedra that share edges with six equivalent Li(2)O6 octahedra and edges with six equivalent Cr(1)O6 octahedra. Cr(1) is bonded to two equivalent O(1) and four equivalent O(2) atoms to form CrO6 octahedra that share corners with six equivalent Li(2)O6 octahedra, edges with two equivalent V(1)O6 octahedra, edges with four equivalent Li(2)O6 octahedra, and edges with four equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-6°. There are two inequivalent O sites. In the first O site, O(1) is bonded to three equivalent Li(2) and three equivalent Cr(1) atoms to form OLi3Cr3 octahedra that share corners with six equivalent O(1)Li3Cr3 octahedra and edges with twelve equivalent O(2)Li3VCr2 octahedra. The corner-sharing octahedra are not tilted. In the second O site, O(2) is bonded to one Li(1), two equivalent Li(2), one V(1), and two equivalent Cr(1) atoms to form distorted OLi3VCr2 octahedra that share corners with seven equivalent O(2)Li3VCr2 octahedra, edges with four equivalent O(1)Li3Cr3 octahedra, and edges with six equivalent O(2)Li3VCr2 octahedra. The corner-sharing octahedral tilt angles range from 0-88°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li5VCr3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.141
_cell_length_b   6.141
_cell_length_c   6.141
_cell_angle_alpha   58.634
_cell_angle_beta   58.634
_cell_angle_gamma   58.634
_symmetry_Int_Tables_number   1
_cell_volume   158.625
_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
  Li  Li0  1  0.065  0.065  0.065  1.0
  Li  Li1  1  0.000  0.500  0.000  1.0
  Li  Li2  1  0.935  0.935  0.935  1.0
  Li  Li3  1  0.000  0.000  0.500  1.0
  Li  Li4  1  0.500  0.000  0.000  1.0
  V  V5  1  0.500  0.500  0.500  1.0
  Cr  Cr6  1  0.000  0.500  0.500  1.0
  Cr  Cr7  1  0.500  0.500  0.000  1.0
  Cr  Cr8  1  0.500  0.000  0.500  1.0
  O  O9  1  0.259  0.259  0.259  1.0
  O  O10  1  0.726  0.252  0.252  1.0
  O  O11  1  0.252  0.252  0.726  1.0
  O  O12  1  0.252  0.726  0.252  1.0
  O  O13  1  0.748  0.274  0.748  1.0
  O  O14  1  0.748  0.748  0.274  1.0
  O  O15  1  0.274  0.748  0.748  1.0
  O  O16  1  0.741  0.741  0.741  1.0
[/CIF]
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The compound described by Li5VCr3O8 crystallizes in the trigonal R-3m space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded in a trigonal planar geometry to three equivalent O(2) atoms. In the second Li site, Li(2) is bonded to two equivalent O(1) and four equivalent O(2) atoms to form LiO6 octahedra that share corners with six equivalent Cr(1)O6 octahedra, edges with two equivalent V(1)O6 octahedra, edges with four equivalent Li(2)O6 octahedra, and edges with four equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-6°. V(1) is bonded to six equivalent O(2) atoms to form VO6 octahedra that share edges with six equivalent Li(2)O6 octahedra and edges with six equivalent Cr(1)O6 octahedra. Cr(1) is bonded to two equivalent O(1) and four equivalent O(2) atoms to form CrO6 octahedra that share corners with six equivalent Li(2)O6 octahedra, edges with two equivalent V(1)O6 octahedra, edges with four equivalent Li(2)O6 octahedra, and edges with four equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-6°. There are two inequivalent O sites. In the first O site, O(1) is bonded to three equivalent Li(2) and three equivalent Cr(1) atoms to form OLi3Cr3 octahedra that share corners with six equivalent O(1)Li3Cr3 octahedra and edges with twelve equivalent O(2)Li3VCr2 octahedra. The corner-sharing octahedra are not tilted. In the second O site, O(2) is bonded to one Li(1), two equivalent Li(2), one V(1), and two equivalent Cr(1) atoms to form distorted OLi3VCr2 octahedra that share corners with seven equivalent O(2)Li3VCr2 octahedra, edges with four equivalent O(1)Li3Cr3 octahedra, and edges with six equivalent O(2)Li3VCr2 octahedra. The corner-sharing octahedral tilt angles range from 0-88°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li5VCr3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.141
_cell_length_b   6.141
_cell_length_c   6.141
_cell_angle_alpha   58.634
_cell_angle_beta   58.634
_cell_angle_gamma   58.634
_symmetry_Int_Tables_number   1
_cell_volume   158.625
_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
  Li  Li0  1  0.065  0.065  0.065  1.0
  Li  Li1  1  0.000  0.500  0.000  1.0
  Li  Li2  1  0.935  0.935  0.935  1.0
  Li  Li3  1  0.000  0.000  0.500  1.0
  Li  Li4  1  0.500  0.000  0.000  1.0
  V  V5  1  0.500  0.500  0.500  1.0
  Cr  Cr6  1  0.000  0.500  0.500  1.0
  Cr  Cr7  1  0.500  0.500  0.000  1.0
  Cr  Cr8  1  0.500  0.000  0.500  1.0
  O  O9  1  0.259  0.259  0.259  1.0
  O  O10  1  0.726  0.252  0.252  1.0
  O  O11  1  0.252  0.252  0.726  1.0
  O  O12  1  0.252  0.726  0.252  1.0
  O  O13  1  0.748  0.274  0.748  1.0
  O  O14  1  0.748  0.748  0.274  1.0
  O  O15  1  0.274  0.748  0.748  1.0
  O  O16  1  0.741  0.741  0.741  1.0
[/CIF]
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