The compound described by Li5Nb2Ni3O10 is alpha Po-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(4), two equivalent O(3), and two equivalent O(5) atoms to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Nb(1)O6 octahedra, corners with three equivalent Ni(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-10°. In the second Li site, Li(2) is bonded to one O(1), one O(3), one O(4), one O(5), and two equivalent O(2) atoms to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with three equivalent Nb(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra, edges with two equivalent Nb(1)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-9°. In the third Li site, Li(3) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-9°. Nb(1) is bonded to one O(1), one O(2), one O(4), one O(5), and two equivalent O(3) atoms to form NbO6 octahedra that share  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with three equivalent Li(2)O6 octahedra,  an edgeedge with one Nb(1)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-4°. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms to form NiO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Nb(1)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Nb(1)O6 octahedra, edges with four equivalent Li(2)O6 octahedra, and edges with four equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-6°. In the second Ni site, Ni(2) is bonded to one O(4), one O(5), two equivalent O(1), and two equivalent O(2) atoms to form NiO6 octahedra that share  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with three equivalent Li(1)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-10°. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), one Nb(1), one Ni(1), and two equivalent Ni(2) atoms to form OLi2NbNi3 octahedra that share  a cornercorner with one O(1)Li2NbNi3 octahedra,  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li3NbNi2 octahedra,  a cornercorner with one O(3)Li4Nb2 octahedra, corners with two equivalent O(5)Li4NbNi octahedra,  an edgeedge with one O(1)Li2NbNi3 octahedra, edges with two equivalent O(3)Li4Nb2 octahedra, edges with two equivalent O(5)Li4NbNi octahedra, edges with three equivalent O(4)Li3NbNi2 octahedra, and edges with four equivalent O(2)Li2NbNi3 octahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the second O site, O(2) is bonded to two equivalent Li(2), one Nb(1), one Ni(1), and two equivalent Ni(2) atoms to form OLi2NbNi3 octahedra that share  a cornercorner with one O(1)Li2NbNi3 octahedra,  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li3NbNi2 octahedra,  a cornercorner with one O(5)Li4NbNi octahedra, corners with two equivalent O(3)Li4Nb2 octahedra,  an edgeedge with one O(3)Li4Nb2 octahedra, edges with two equivalent O(2)Li2NbNi3 octahedra, edges with two equivalent O(5)Li4NbNi octahedra, edges with three equivalent O(4)Li3NbNi2 octahedra, and edges with four equivalent O(1)Li2NbNi3 octahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the third O site, O(3) is bonded to one Li(2), one Li(3), two equivalent Li(1), and two equivalent Nb(1) atoms to form OLi4Nb2 octahedra that share  a cornercorner with one O(1)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li3NbNi2 octahedra,  a cornercorner with one O(3)Li4Nb2 octahedra,  a cornercorner with one O(5)Li4NbNi octahedra, corners with two equivalent O(2)Li2NbNi3 octahedra,  an edgeedge with one O(2)Li2NbNi3 octahedra, edges with two equivalent O(1)Li2NbNi3 octahedra, edges with two equivalent O(3)Li4Nb2 octahedra, edges with three equivalent O(4)Li3NbNi2 octahedra, and edges with four equivalent O(5)Li4NbNi octahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the fourth O site, O(4) is bonded to one Li(1), one Li(2), one Li(3), one Nb(1), one Ni(1), and one Ni(2) atom to form OLi3NbNi2 octahedra that share  a cornercorner with one O(1)Li2NbNi3 octahedra,  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(3)Li4Nb2 octahedra,  a cornercorner with one O(5)Li4NbNi octahedra, corners with two equivalent O(4)Li3NbNi2 octahedra, edges with three equivalent O(1)Li2NbNi3 octahedra, edges with three equivalent O(2)Li2NbNi3 octahedra, edges with three equivalent O(3)Li4Nb2 octahedra, and edges with three equivalent O(5)Li4NbNi octahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the fifth O site, O(5) is bonded to one Li(2), one Li(3), two equivalent Li(1), one Nb(1), and one Ni(2) atom to form OLi4NbNi octahedra that share  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li3NbNi2 octahedra,  a cornercorner with one O(3)Li4Nb2 octahedra,  a cornercorner with one O(5)Li4NbNi octahedra, corners with two equivalent O(1)Li2NbNi3 octahedra,  an edgeedge with one O(5)Li4NbNi octahedra, edges with two equivalent O(1)Li2NbNi3 octahedra, edges with two equivalent O(2)Li2NbNi3 octahedra, edges with three equivalent O(4)Li3NbNi2 octahedra, and edges with four equivalent O(3)Li4Nb2 octahedra. The corner-sharing octahedral tilt angles range from 0-9°. is represented by the CIF file [CIF]
data_Li5Nb2Ni3O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.211
_cell_length_b   5.219
_cell_length_c   7.879
_cell_angle_alpha   71.349
_cell_angle_beta   71.376
_cell_angle_gamma   80.067
_symmetry_Int_Tables_number   1
_cell_volume   191.806
_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  0.506  0.776  0.397  1.0
  Li  Li1  1  0.507  0.581  0.801  1.0
  Li  Li2  1  0.000  0.500  0.500  1.0
  Li  Li3  1  0.493  0.419  0.199  1.0
  Li  Li4  1  0.494  0.224  0.603  1.0
  Nb  Nb5  1  0.013  0.899  0.692  1.0
  Nb  Nb6  1  0.987  0.101  0.308  1.0
  Ni  Ni7  1  0.500  0.000  0.000  1.0
  Ni  Ni8  1  0.996  0.301  0.900  1.0
  Ni  Ni9  1  0.004  0.699  0.100  1.0
  O  O10  1  0.240  0.952  0.851  1.0
  O  O11  1  0.763  0.662  0.944  1.0
  O  O12  1  0.755  0.849  0.549  1.0
  O  O13  1  0.240  0.774  0.246  1.0
  O  O14  1  0.236  0.567  0.654  1.0
  O  O15  1  0.764  0.433  0.346  1.0
  O  O16  1  0.760  0.226  0.754  1.0
  O  O17  1  0.245  0.151  0.451  1.0
  O  O18  1  0.237  0.338  0.056  1.0
  O  O19  1  0.760  0.048  0.149  1.0
[/CIF]
.
The compound described by Li5Nb2Ni3O10 is alpha Po-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(4), two equivalent O(3), and two equivalent O(5) atoms to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Nb(1)O6 octahedra, corners with three equivalent Ni(2)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-10°. In the second Li site, Li(2) is bonded to one O(1), one O(3), one O(4), one O(5), and two equivalent O(2) atoms to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with three equivalent Nb(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra, edges with two equivalent Nb(1)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-9°. In the third Li site, Li(3) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-9°. Nb(1) is bonded to one O(1), one O(2), one O(4), one O(5), and two equivalent O(3) atoms to form NbO6 octahedra that share  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with three equivalent Li(2)O6 octahedra,  an edgeedge with one Nb(1)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-4°. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms to form NiO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Nb(1)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Nb(1)O6 octahedra, edges with four equivalent Li(2)O6 octahedra, and edges with four equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-6°. In the second Ni site, Ni(2) is bonded to one O(4), one O(5), two equivalent O(1), and two equivalent O(2) atoms to form NiO6 octahedra that share  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with three equivalent Li(1)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-10°. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), one Nb(1), one Ni(1), and two equivalent Ni(2) atoms to form OLi2NbNi3 octahedra that share  a cornercorner with one O(1)Li2NbNi3 octahedra,  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li3NbNi2 octahedra,  a cornercorner with one O(3)Li4Nb2 octahedra, corners with two equivalent O(5)Li4NbNi octahedra,  an edgeedge with one O(1)Li2NbNi3 octahedra, edges with two equivalent O(3)Li4Nb2 octahedra, edges with two equivalent O(5)Li4NbNi octahedra, edges with three equivalent O(4)Li3NbNi2 octahedra, and edges with four equivalent O(2)Li2NbNi3 octahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the second O site, O(2) is bonded to two equivalent Li(2), one Nb(1), one Ni(1), and two equivalent Ni(2) atoms to form OLi2NbNi3 octahedra that share  a cornercorner with one O(1)Li2NbNi3 octahedra,  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li3NbNi2 octahedra,  a cornercorner with one O(5)Li4NbNi octahedra, corners with two equivalent O(3)Li4Nb2 octahedra,  an edgeedge with one O(3)Li4Nb2 octahedra, edges with two equivalent O(2)Li2NbNi3 octahedra, edges with two equivalent O(5)Li4NbNi octahedra, edges with three equivalent O(4)Li3NbNi2 octahedra, and edges with four equivalent O(1)Li2NbNi3 octahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the third O site, O(3) is bonded to one Li(2), one Li(3), two equivalent Li(1), and two equivalent Nb(1) atoms to form OLi4Nb2 octahedra that share  a cornercorner with one O(1)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li3NbNi2 octahedra,  a cornercorner with one O(3)Li4Nb2 octahedra,  a cornercorner with one O(5)Li4NbNi octahedra, corners with two equivalent O(2)Li2NbNi3 octahedra,  an edgeedge with one O(2)Li2NbNi3 octahedra, edges with two equivalent O(1)Li2NbNi3 octahedra, edges with two equivalent O(3)Li4Nb2 octahedra, edges with three equivalent O(4)Li3NbNi2 octahedra, and edges with four equivalent O(5)Li4NbNi octahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the fourth O site, O(4) is bonded to one Li(1), one Li(2), one Li(3), one Nb(1), one Ni(1), and one Ni(2) atom to form OLi3NbNi2 octahedra that share  a cornercorner with one O(1)Li2NbNi3 octahedra,  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(3)Li4Nb2 octahedra,  a cornercorner with one O(5)Li4NbNi octahedra, corners with two equivalent O(4)Li3NbNi2 octahedra, edges with three equivalent O(1)Li2NbNi3 octahedra, edges with three equivalent O(2)Li2NbNi3 octahedra, edges with three equivalent O(3)Li4Nb2 octahedra, and edges with three equivalent O(5)Li4NbNi octahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the fifth O site, O(5) is bonded to one Li(2), one Li(3), two equivalent Li(1), one Nb(1), and one Ni(2) atom to form OLi4NbNi octahedra that share  a cornercorner with one O(2)Li2NbNi3 octahedra,  a cornercorner with one O(4)Li3NbNi2 octahedra,  a cornercorner with one O(3)Li4Nb2 octahedra,  a cornercorner with one O(5)Li4NbNi octahedra, corners with two equivalent O(1)Li2NbNi3 octahedra,  an edgeedge with one O(5)Li4NbNi octahedra, edges with two equivalent O(1)Li2NbNi3 octahedra, edges with two equivalent O(2)Li2NbNi3 octahedra, edges with three equivalent O(4)Li3NbNi2 octahedra, and edges with four equivalent O(3)Li4Nb2 octahedra. The corner-sharing octahedral tilt angles range from 0-9°. is represented by the CIF file [CIF]
data_Li5Nb2Ni3O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.211
_cell_length_b   5.219
_cell_length_c   7.879
_cell_angle_alpha   71.349
_cell_angle_beta   71.376
_cell_angle_gamma   80.067
_symmetry_Int_Tables_number   1
_cell_volume   191.806
_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  0.506  0.776  0.397  1.0
  Li  Li1  1  0.507  0.581  0.801  1.0
  Li  Li2  1  0.000  0.500  0.500  1.0
  Li  Li3  1  0.493  0.419  0.199  1.0
  Li  Li4  1  0.494  0.224  0.603  1.0
  Nb  Nb5  1  0.013  0.899  0.692  1.0
  Nb  Nb6  1  0.987  0.101  0.308  1.0
  Ni  Ni7  1  0.500  0.000  0.000  1.0
  Ni  Ni8  1  0.996  0.301  0.900  1.0
  Ni  Ni9  1  0.004  0.699  0.100  1.0
  O  O10  1  0.240  0.952  0.851  1.0
  O  O11  1  0.763  0.662  0.944  1.0
  O  O12  1  0.755  0.849  0.549  1.0
  O  O13  1  0.240  0.774  0.246  1.0
  O  O14  1  0.236  0.567  0.654  1.0
  O  O15  1  0.764  0.433  0.346  1.0
  O  O16  1  0.760  0.226  0.754  1.0
  O  O17  1  0.245  0.151  0.451  1.0
  O  O18  1  0.237  0.338  0.056  1.0
  O  O19  1  0.760  0.048  0.149  1.0
[/CIF]
.