The structure described by Li2Ni3SbO8 is Spinel-derived structured and crystallizes in the triclinic P-1 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(4), one O(6), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  a cornercorner with one Ni(5)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with two equivalent Ni(6)O6 octahedra, and corners with three equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-62°. In the second Li site, Li(2) is bonded to one O(2), one O(3), one O(5), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(6)O6 octahedra, corners with two equivalent Ni(3)O6 octahedra, corners with two equivalent Ni(4)O6 octahedra, corners with two equivalent Ni(5)O6 octahedra, and corners with three equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-62°. There are six inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form NiO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Ni(2)O6 octahedra, edges with two equivalent Ni(6)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the second Ni site, Ni(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(8) atoms to form NiO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(6)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the third Ni site, Ni(3) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(7) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Ni(4)O6 octahedra, edges with two equivalent Ni(5)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the fourth Ni site, Ni(4) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Ni(3)O6 octahedra, edges with two equivalent Ni(5)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the fifth Ni site, Ni(5) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(7) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Ni(3)O6 octahedra, edges with two equivalent Ni(4)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the sixth Ni site, Ni(6) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form NiO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. Sb(1) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form SbO6 octahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra, and  an edgeedge with one Ni(6)O6 octahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Ni(3), one Ni(4), and one Ni(5) atom to form corner-sharing OLiNi3 tetrahedra. In the second O site, O(2) is bonded to one Li(2), one Ni(1), one Ni(2), and one Ni(6) atom to form corner-sharing OLiNi3 tetrahedra. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Ni(4), one Ni(5), and one Sb(1) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ni(1), one Ni(2), and one Sb(1) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Ni(3), one Ni(4), and one Sb(1) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Ni(1), one Ni(6), and one Sb(1) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Ni(3), one Ni(5), and one Sb(1) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Ni(2), one Ni(6), and one Sb(1) atom. is represented by the CIF file [CIF]
data_Li2Ni3SbO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.872
_cell_length_b   10.471
_cell_length_c   5.861
_cell_angle_alpha   106.134
_cell_angle_beta   120.085
_cell_angle_gamma   90.019
_symmetry_Int_Tables_number   1
_cell_volume   295.313
_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  0.064  0.192  0.129  1.0
  Li  Li1  1  0.563  0.690  0.127  1.0
  Li  Li2  1  0.437  0.310  0.873  1.0
  Li  Li3  1  0.936  0.808  0.871  1.0
  Ni  Ni4  1  0.500  1.000  0.500  1.0
  Ni  Ni5  1  0.000  0.000  0.500  1.0
  Ni  Ni6  1  1.000  0.500  1.000  1.0
  Ni  Ni7  1  0.000  0.500  0.500  1.0
  Ni  Ni8  1  0.500  0.500  0.500  1.0
  Ni  Ni9  1  0.500  1.000  1.000  1.0
  Sb  Sb10  1  0.250  0.750  0.500  1.0
  Sb  Sb11  1  0.750  0.250  0.500  1.0
  O  O12  1  0.135  0.407  0.271  1.0
  O  O13  1  0.636  0.907  0.271  1.0
  O  O14  1  0.364  0.093  0.729  1.0
  O  O15  1  0.865  0.593  0.729  1.0
  O  O16  1  0.341  0.622  0.721  1.0
  O  O17  1  0.880  0.121  0.722  1.0
  O  O18  1  0.900  0.622  0.240  1.0
  O  O19  1  0.400  0.122  0.281  1.0
  O  O20  1  0.382  0.622  0.282  1.0
  O  O21  1  0.840  0.122  0.241  1.0
  O  O22  1  0.160  0.878  0.759  1.0
  O  O23  1  0.618  0.378  0.718  1.0
  O  O24  1  0.600  0.878  0.719  1.0
  O  O25  1  0.100  0.378  0.761  1.0
  O  O26  1  0.120  0.879  0.278  1.0
  O  O27  1  0.660  0.378  0.279  1.0
[/CIF]
.
The structure described by Li2Ni3SbO8 is Spinel-derived structured and crystallizes in the triclinic P-1 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(4), one O(6), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(4)O6 octahedra,  a cornercorner with one Ni(5)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with two equivalent Ni(6)O6 octahedra, and corners with three equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-62°. In the second Li site, Li(2) is bonded to one O(2), one O(3), one O(5), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(6)O6 octahedra, corners with two equivalent Ni(3)O6 octahedra, corners with two equivalent Ni(4)O6 octahedra, corners with two equivalent Ni(5)O6 octahedra, and corners with three equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-62°. There are six inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form NiO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Ni(2)O6 octahedra, edges with two equivalent Ni(6)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the second Ni site, Ni(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(8) atoms to form NiO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(6)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the third Ni site, Ni(3) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(7) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Ni(4)O6 octahedra, edges with two equivalent Ni(5)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the fourth Ni site, Ni(4) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Ni(3)O6 octahedra, edges with two equivalent Ni(5)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the fifth Ni site, Ni(5) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(7) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Ni(3)O6 octahedra, edges with two equivalent Ni(4)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the sixth Ni site, Ni(6) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form NiO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. Sb(1) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form SbO6 octahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra, and  an edgeedge with one Ni(6)O6 octahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Ni(3), one Ni(4), and one Ni(5) atom to form corner-sharing OLiNi3 tetrahedra. In the second O site, O(2) is bonded to one Li(2), one Ni(1), one Ni(2), and one Ni(6) atom to form corner-sharing OLiNi3 tetrahedra. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Ni(4), one Ni(5), and one Sb(1) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ni(1), one Ni(2), and one Sb(1) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Ni(3), one Ni(4), and one Sb(1) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Ni(1), one Ni(6), and one Sb(1) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Ni(3), one Ni(5), and one Sb(1) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Ni(2), one Ni(6), and one Sb(1) atom. is represented by the CIF file [CIF]
data_Li2Ni3SbO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.872
_cell_length_b   10.471
_cell_length_c   5.861
_cell_angle_alpha   106.134
_cell_angle_beta   120.085
_cell_angle_gamma   90.019
_symmetry_Int_Tables_number   1
_cell_volume   295.313
_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  0.064  0.192  0.129  1.0
  Li  Li1  1  0.563  0.690  0.127  1.0
  Li  Li2  1  0.437  0.310  0.873  1.0
  Li  Li3  1  0.936  0.808  0.871  1.0
  Ni  Ni4  1  0.500  1.000  0.500  1.0
  Ni  Ni5  1  0.000  0.000  0.500  1.0
  Ni  Ni6  1  1.000  0.500  1.000  1.0
  Ni  Ni7  1  0.000  0.500  0.500  1.0
  Ni  Ni8  1  0.500  0.500  0.500  1.0
  Ni  Ni9  1  0.500  1.000  1.000  1.0
  Sb  Sb10  1  0.250  0.750  0.500  1.0
  Sb  Sb11  1  0.750  0.250  0.500  1.0
  O  O12  1  0.135  0.407  0.271  1.0
  O  O13  1  0.636  0.907  0.271  1.0
  O  O14  1  0.364  0.093  0.729  1.0
  O  O15  1  0.865  0.593  0.729  1.0
  O  O16  1  0.341  0.622  0.721  1.0
  O  O17  1  0.880  0.121  0.722  1.0
  O  O18  1  0.900  0.622  0.240  1.0
  O  O19  1  0.400  0.122  0.281  1.0
  O  O20  1  0.382  0.622  0.282  1.0
  O  O21  1  0.840  0.122  0.241  1.0
  O  O22  1  0.160  0.878  0.759  1.0
  O  O23  1  0.618  0.378  0.718  1.0
  O  O24  1  0.600  0.878  0.719  1.0
  O  O25  1  0.100  0.378  0.761  1.0
  O  O26  1  0.120  0.879  0.278  1.0
  O  O27  1  0.660  0.378  0.279  1.0
[/CIF]
.