The compound described by Li2VMn3O8 is Hausmannite-derived structured and crystallizes in the orthorhombic Cmc2_1 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one O(3), and two equivalent O(5) atoms to form LiO4 tetrahedra that share corners with three equivalent V(1)O6 octahedra, corners with three equivalent Mn(2)O6 octahedra, and corners with six equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-67°. In the second Li site, Li(2) is bonded to one O(4), one O(6), and two equivalent O(1) atoms to form distorted LiO4 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with three equivalent V(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, and edges with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-65°. V(1) is bonded to one O(2), one O(6), two equivalent O(1), and two equivalent O(5) atoms to form VO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Mn(2)O6 octahedra, and edges with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-55°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form MnO6 octahedra that share corners with two equivalent V(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one V(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-55°. In the second Mn site, Mn(2) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(5) atoms to form MnO6 octahedra that share corners with two equivalent V(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one V(1)O6 octahedra, edges with four equivalent Mn(1)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 49°. There are six inequivalent O sites. In the first O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one V(1), and two equivalent Mn(1) atoms. In the second O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(2), one V(1), one Mn(1), and one Mn(2) atom. In the third O site, O(2) is bonded to one Li(1), one V(1), and two equivalent Mn(1) atoms to form distorted OLiMn2V tetrahedra that share corners with two equivalent O(5)LiMn2V tetrahedra, corners with two equivalent O(4)LiMn3 tetrahedra,  a cornercorner with one O(3)LiMn3 trigonal pyramid, edges with two equivalent O(5)LiMn2V tetrahedra, and  an edgeedge with one O(3)LiMn3 trigonal pyramid. In the fourth O site, O(3) is bonded to one Li(1), one Mn(2), and two equivalent Mn(1) atoms to form distorted OLiMn3 trigonal pyramids that share  a cornercorner with one O(2)LiMn2V tetrahedra, corners with two equivalent O(5)LiMn2V tetrahedra, corners with three equivalent O(4)LiMn3 tetrahedra,  an edgeedge with one O(2)LiMn2V tetrahedra, and edges with two equivalent O(5)LiMn2V tetrahedra. In the fifth O site, O(4) is bonded to one Li(2), one Mn(2), and two equivalent Mn(1) atoms to form OLiMn3 tetrahedra that share corners with two equivalent O(2)LiMn2V tetrahedra, corners with four equivalent O(5)LiMn2V tetrahedra, and corners with three equivalent O(3)LiMn3 trigonal pyramids. In the sixth O site, O(5) is bonded to one Li(1), one V(1), one Mn(1), and one Mn(2) atom to form distorted OLiMn2V tetrahedra that share  a cornercorner with one O(2)LiMn2V tetrahedra,  a cornercorner with one O(5)LiMn2V tetrahedra, corners with two equivalent O(4)LiMn3 tetrahedra,  a cornercorner with one O(3)LiMn3 trigonal pyramid,  an edgeedge with one O(2)LiMn2V tetrahedra,  an edgeedge with one O(5)LiMn2V tetrahedra, and  an edgeedge with one O(3)LiMn3 trigonal pyramid. is represented by the CIF file [CIF]
data_Li2Mn3VO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.838
_cell_length_b   5.838
_cell_length_c   9.614
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   117.936
_symmetry_Int_Tables_number   1
_cell_volume   289.542
_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  0.170  0.830  0.104  1.0
  Li  Li1  1  0.505  0.495  0.006  1.0
  Li  Li2  1  0.495  0.505  0.506  1.0
  Li  Li3  1  0.830  0.170  0.604  1.0
  Mn  Mn4  1  0.839  0.673  0.786  1.0
  Mn  Mn5  1  0.327  0.161  0.786  1.0
  Mn  Mn6  1  0.331  0.669  0.785  1.0
  Mn  Mn7  1  0.669  0.331  0.285  1.0
  Mn  Mn8  1  0.673  0.839  0.286  1.0
  Mn  Mn9  1  0.161  0.327  0.286  1.0
  V  V10  1  0.163  0.837  0.512  1.0
  V  V11  1  0.837  0.163  0.012  1.0
  O  O12  1  0.819  0.657  0.400  1.0
  O  O13  1  0.019  0.981  0.635  1.0
  O  O14  1  0.167  0.833  0.890  1.0
  O  O15  1  0.503  0.497  0.693  1.0
  O  O16  1  0.497  0.503  0.193  1.0
  O  O17  1  0.343  0.181  0.400  1.0
  O  O18  1  0.026  0.541  0.666  1.0
  O  O19  1  0.459  0.974  0.666  1.0
  O  O20  1  0.680  0.320  0.918  1.0
  O  O21  1  0.320  0.680  0.418  1.0
  O  O22  1  0.541  0.026  0.166  1.0
  O  O23  1  0.974  0.459  0.166  1.0
  O  O24  1  0.833  0.167  0.390  1.0
  O  O25  1  0.657  0.819  0.900  1.0
  O  O26  1  0.981  0.019  0.135  1.0
  O  O27  1  0.181  0.343  0.900  1.0
[/CIF]
.
The compound described by Li2VMn3O8 is Hausmannite-derived structured and crystallizes in the orthorhombic Cmc2_1 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one O(3), and two equivalent O(5) atoms to form LiO4 tetrahedra that share corners with three equivalent V(1)O6 octahedra, corners with three equivalent Mn(2)O6 octahedra, and corners with six equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-67°. In the second Li site, Li(2) is bonded to one O(4), one O(6), and two equivalent O(1) atoms to form distorted LiO4 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with three equivalent V(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, and edges with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-65°. V(1) is bonded to one O(2), one O(6), two equivalent O(1), and two equivalent O(5) atoms to form VO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Mn(2)O6 octahedra, and edges with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-55°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form MnO6 octahedra that share corners with two equivalent V(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one V(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-55°. In the second Mn site, Mn(2) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(5) atoms to form MnO6 octahedra that share corners with two equivalent V(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one V(1)O6 octahedra, edges with four equivalent Mn(1)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 49°. There are six inequivalent O sites. In the first O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one V(1), and two equivalent Mn(1) atoms. In the second O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(2), one V(1), one Mn(1), and one Mn(2) atom. In the third O site, O(2) is bonded to one Li(1), one V(1), and two equivalent Mn(1) atoms to form distorted OLiMn2V tetrahedra that share corners with two equivalent O(5)LiMn2V tetrahedra, corners with two equivalent O(4)LiMn3 tetrahedra,  a cornercorner with one O(3)LiMn3 trigonal pyramid, edges with two equivalent O(5)LiMn2V tetrahedra, and  an edgeedge with one O(3)LiMn3 trigonal pyramid. In the fourth O site, O(3) is bonded to one Li(1), one Mn(2), and two equivalent Mn(1) atoms to form distorted OLiMn3 trigonal pyramids that share  a cornercorner with one O(2)LiMn2V tetrahedra, corners with two equivalent O(5)LiMn2V tetrahedra, corners with three equivalent O(4)LiMn3 tetrahedra,  an edgeedge with one O(2)LiMn2V tetrahedra, and edges with two equivalent O(5)LiMn2V tetrahedra. In the fifth O site, O(4) is bonded to one Li(2), one Mn(2), and two equivalent Mn(1) atoms to form OLiMn3 tetrahedra that share corners with two equivalent O(2)LiMn2V tetrahedra, corners with four equivalent O(5)LiMn2V tetrahedra, and corners with three equivalent O(3)LiMn3 trigonal pyramids. In the sixth O site, O(5) is bonded to one Li(1), one V(1), one Mn(1), and one Mn(2) atom to form distorted OLiMn2V tetrahedra that share  a cornercorner with one O(2)LiMn2V tetrahedra,  a cornercorner with one O(5)LiMn2V tetrahedra, corners with two equivalent O(4)LiMn3 tetrahedra,  a cornercorner with one O(3)LiMn3 trigonal pyramid,  an edgeedge with one O(2)LiMn2V tetrahedra,  an edgeedge with one O(5)LiMn2V tetrahedra, and  an edgeedge with one O(3)LiMn3 trigonal pyramid. is represented by the CIF file [CIF]
data_Li2Mn3VO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.838
_cell_length_b   5.838
_cell_length_c   9.614
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   117.936
_symmetry_Int_Tables_number   1
_cell_volume   289.542
_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  0.170  0.830  0.104  1.0
  Li  Li1  1  0.505  0.495  0.006  1.0
  Li  Li2  1  0.495  0.505  0.506  1.0
  Li  Li3  1  0.830  0.170  0.604  1.0
  Mn  Mn4  1  0.839  0.673  0.786  1.0
  Mn  Mn5  1  0.327  0.161  0.786  1.0
  Mn  Mn6  1  0.331  0.669  0.785  1.0
  Mn  Mn7  1  0.669  0.331  0.285  1.0
  Mn  Mn8  1  0.673  0.839  0.286  1.0
  Mn  Mn9  1  0.161  0.327  0.286  1.0
  V  V10  1  0.163  0.837  0.512  1.0
  V  V11  1  0.837  0.163  0.012  1.0
  O  O12  1  0.819  0.657  0.400  1.0
  O  O13  1  0.019  0.981  0.635  1.0
  O  O14  1  0.167  0.833  0.890  1.0
  O  O15  1  0.503  0.497  0.693  1.0
  O  O16  1  0.497  0.503  0.193  1.0
  O  O17  1  0.343  0.181  0.400  1.0
  O  O18  1  0.026  0.541  0.666  1.0
  O  O19  1  0.459  0.974  0.666  1.0
  O  O20  1  0.680  0.320  0.918  1.0
  O  O21  1  0.320  0.680  0.418  1.0
  O  O22  1  0.541  0.026  0.166  1.0
  O  O23  1  0.974  0.459  0.166  1.0
  O  O24  1  0.833  0.167  0.390  1.0
  O  O25  1  0.657  0.819  0.900  1.0
  O  O26  1  0.981  0.019  0.135  1.0
  O  O27  1  0.181  0.343  0.900  1.0
[/CIF]
.