The compound described by Li4Nb3Ni3(SnO8)2 is Spinel-derived structured and crystallizes in the monoclinic Cm space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(12), one O(3), and two equivalent O(9) atoms to form LiO4 tetrahedra that share  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent Nb(1)O6 octahedra, corners with two equivalent Nb(2)O6 octahedra, corners with three equivalent Sn(2)O6 octahedra, and corners with four equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-64°. In the second Li site, Li(2) is bonded in a distorted rectangular see-saw-like geometry to one O(5), one O(7), and two equivalent O(11) atoms. In the third Li site, Li(3) is bonded in a distorted rectangular see-saw-like geometry to one O(4), one O(8), and two equivalent O(1) atoms. In the fourth Li site, Li(4) is bonded to one O(10), one O(2), and two equivalent O(6) atoms to form LiO4 tetrahedra that share  a cornercorner with one Nb(2)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with three equivalent Sn(1)O6 octahedra, and corners with four equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-67°. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to one O(11), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form NbO6 octahedra that share corners with two equivalent Sn(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Sn(1)O6 octahedra, edges with two equivalent Nb(1)O6 octahedra, and edges with two equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles are 51°. In the second Nb site, Nb(2) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms to form NbO6 octahedra that share corners with two equivalent Sn(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Sn(2)O6 octahedra, and edges with four equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles are 52°. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form NiO6 octahedra that share corners with two equivalent Sn(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Sn(1)O6 octahedra, and edges with four equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles are 52°. In the second Ni site, Ni(2) is bonded to one O(1), one O(10), one O(12), one O(5), one O(8), and one O(9) atom to form NiO6 octahedra that share corners with two equivalent Sn(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Sn(2)O6 octahedra, edges with two equivalent Nb(2)O6 octahedra, and edges with two equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form distorted SnO6 octahedra that share corners with two equivalent Nb(2)O6 octahedra, corners with four equivalent Ni(2)O6 octahedra, corners with three equivalent Li(4)O4 tetrahedra,  an edgeedge with one Ni(1)O6 octahedra, and edges with two equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-54°. In the second Sn site, Sn(2) is bonded to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form SnO6 octahedra that share corners with two equivalent Ni(1)O6 octahedra, corners with four equivalent Nb(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one Nb(2)O6 octahedra, and edges with two equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-52°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(3), one Nb(2), one Ni(2), and one Sn(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Li(4), two equivalent Nb(1), and one Sn(1) atom. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(1), two equivalent Nb(1), and one Ni(1) atom. In the fourth O site, O(4) is bonded to one Li(3), two equivalent Nb(1), and one Ni(1) atom to form distorted corner-sharing OLiNb2Ni tetrahedra. In the fifth O site, O(5) is bonded in a distorted tetrahedral geometry to one Li(2), one Nb(2), and two equivalent Ni(2) atoms. In the sixth O site, O(6) is bonded to one Li(4), one Nb(1), one Ni(1), and one Sn(1) atom to form OLiNbNiSn tetrahedra that share  a cornercorner with one O(6)LiNbNiSn tetrahedra, corners with two equivalent O(4)LiNb2Ni tetrahedra, and  an edgeedge with one O(6)LiNbNiSn tetrahedra. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(2), two equivalent Nb(1), and one Sn(2) atom. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Li(3), two equivalent Ni(2), and one Sn(1) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(1), one Nb(2), one Ni(2), and one Sn(2) atom. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Li(4), one Nb(2), and two equivalent Ni(2) atoms. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Li(2), one Nb(1), one Ni(1), and one Sn(2) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), two equivalent Ni(2), and one Sn(2) atom. is represented by the CIF card [CIF]
data_Li4Nb3Ni3(SnO8)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.100
_cell_length_b   6.100
_cell_length_c   9.950
_cell_angle_alpha   89.922
_cell_angle_beta   89.922
_cell_angle_gamma   59.995
_symmetry_Int_Tables_number   1
_cell_volume   320.591
_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  0.663  0.663  0.114  1.0
  Li  Li1  1  0.989  0.989  0.016  1.0
  Li  Li2  1  0.992  0.992  0.502  1.0
  Li  Li3  1  0.331  0.331  0.593  1.0
  Nb  Nb4  1  0.348  0.825  0.786  1.0
  Nb  Nb5  1  0.825  0.348  0.786  1.0
  Nb  Nb6  1  0.171  0.171  0.284  1.0
  Ni  Ni7  1  0.831  0.831  0.787  1.0
  Ni  Ni8  1  0.171  0.658  0.287  1.0
  Ni  Ni9  1  0.658  0.171  0.287  1.0
  Sn  Sn10  1  0.676  0.676  0.497  1.0
  Sn  Sn11  1  0.343  0.343  0.020  1.0
  O  O12  1  0.330  0.845  0.402  1.0
  O  O13  1  0.516  0.516  0.654  1.0
  O  O14  1  0.667  0.667  0.906  1.0
  O  O15  1  0.002  0.002  0.690  1.0
  O  O16  1  0.004  0.004  0.196  1.0
  O  O17  1  0.845  0.330  0.402  1.0
  O  O18  1  0.511  0.958  0.661  1.0
  O  O19  1  0.958  0.511  0.661  1.0
  O  O20  1  0.169  0.169  0.895  1.0
  O  O21  1  0.842  0.842  0.402  1.0
  O  O22  1  0.031  0.471  0.154  1.0
  O  O23  1  0.471  0.031  0.154  1.0
  O  O24  1  0.322  0.322  0.399  1.0
  O  O25  1  0.175  0.674  0.898  1.0
  O  O26  1  0.483  0.483  0.160  1.0
  O  O27  1  0.674  0.175  0.898  1.0
[/CIF]
.
The compound described by Li4Nb3Ni3(SnO8)2 is Spinel-derived structured and crystallizes in the monoclinic Cm space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(12), one O(3), and two equivalent O(9) atoms to form LiO4 tetrahedra that share  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent Nb(1)O6 octahedra, corners with two equivalent Nb(2)O6 octahedra, corners with three equivalent Sn(2)O6 octahedra, and corners with four equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-64°. In the second Li site, Li(2) is bonded in a distorted rectangular see-saw-like geometry to one O(5), one O(7), and two equivalent O(11) atoms. In the third Li site, Li(3) is bonded in a distorted rectangular see-saw-like geometry to one O(4), one O(8), and two equivalent O(1) atoms. In the fourth Li site, Li(4) is bonded to one O(10), one O(2), and two equivalent O(6) atoms to form LiO4 tetrahedra that share  a cornercorner with one Nb(2)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with three equivalent Sn(1)O6 octahedra, and corners with four equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-67°. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to one O(11), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form NbO6 octahedra that share corners with two equivalent Sn(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Sn(1)O6 octahedra, edges with two equivalent Nb(1)O6 octahedra, and edges with two equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles are 51°. In the second Nb site, Nb(2) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms to form NbO6 octahedra that share corners with two equivalent Sn(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Sn(2)O6 octahedra, and edges with four equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles are 52°. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form NiO6 octahedra that share corners with two equivalent Sn(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Sn(1)O6 octahedra, and edges with four equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles are 52°. In the second Ni site, Ni(2) is bonded to one O(1), one O(10), one O(12), one O(5), one O(8), and one O(9) atom to form NiO6 octahedra that share corners with two equivalent Sn(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Sn(2)O6 octahedra, edges with two equivalent Nb(2)O6 octahedra, and edges with two equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form distorted SnO6 octahedra that share corners with two equivalent Nb(2)O6 octahedra, corners with four equivalent Ni(2)O6 octahedra, corners with three equivalent Li(4)O4 tetrahedra,  an edgeedge with one Ni(1)O6 octahedra, and edges with two equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-54°. In the second Sn site, Sn(2) is bonded to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form SnO6 octahedra that share corners with two equivalent Ni(1)O6 octahedra, corners with four equivalent Nb(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one Nb(2)O6 octahedra, and edges with two equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-52°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(3), one Nb(2), one Ni(2), and one Sn(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Li(4), two equivalent Nb(1), and one Sn(1) atom. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(1), two equivalent Nb(1), and one Ni(1) atom. In the fourth O site, O(4) is bonded to one Li(3), two equivalent Nb(1), and one Ni(1) atom to form distorted corner-sharing OLiNb2Ni tetrahedra. In the fifth O site, O(5) is bonded in a distorted tetrahedral geometry to one Li(2), one Nb(2), and two equivalent Ni(2) atoms. In the sixth O site, O(6) is bonded to one Li(4), one Nb(1), one Ni(1), and one Sn(1) atom to form OLiNbNiSn tetrahedra that share  a cornercorner with one O(6)LiNbNiSn tetrahedra, corners with two equivalent O(4)LiNb2Ni tetrahedra, and  an edgeedge with one O(6)LiNbNiSn tetrahedra. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(2), two equivalent Nb(1), and one Sn(2) atom. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Li(3), two equivalent Ni(2), and one Sn(1) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(1), one Nb(2), one Ni(2), and one Sn(2) atom. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Li(4), one Nb(2), and two equivalent Ni(2) atoms. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Li(2), one Nb(1), one Ni(1), and one Sn(2) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), two equivalent Ni(2), and one Sn(2) atom. is represented by the CIF card [CIF]
data_Li4Nb3Ni3(SnO8)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.100
_cell_length_b   6.100
_cell_length_c   9.950
_cell_angle_alpha   89.922
_cell_angle_beta   89.922
_cell_angle_gamma   59.995
_symmetry_Int_Tables_number   1
_cell_volume   320.591
_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  0.663  0.663  0.114  1.0
  Li  Li1  1  0.989  0.989  0.016  1.0
  Li  Li2  1  0.992  0.992  0.502  1.0
  Li  Li3  1  0.331  0.331  0.593  1.0
  Nb  Nb4  1  0.348  0.825  0.786  1.0
  Nb  Nb5  1  0.825  0.348  0.786  1.0
  Nb  Nb6  1  0.171  0.171  0.284  1.0
  Ni  Ni7  1  0.831  0.831  0.787  1.0
  Ni  Ni8  1  0.171  0.658  0.287  1.0
  Ni  Ni9  1  0.658  0.171  0.287  1.0
  Sn  Sn10  1  0.676  0.676  0.497  1.0
  Sn  Sn11  1  0.343  0.343  0.020  1.0
  O  O12  1  0.330  0.845  0.402  1.0
  O  O13  1  0.516  0.516  0.654  1.0
  O  O14  1  0.667  0.667  0.906  1.0
  O  O15  1  0.002  0.002  0.690  1.0
  O  O16  1  0.004  0.004  0.196  1.0
  O  O17  1  0.845  0.330  0.402  1.0
  O  O18  1  0.511  0.958  0.661  1.0
  O  O19  1  0.958  0.511  0.661  1.0
  O  O20  1  0.169  0.169  0.895  1.0
  O  O21  1  0.842  0.842  0.402  1.0
  O  O22  1  0.031  0.471  0.154  1.0
  O  O23  1  0.471  0.031  0.154  1.0
  O  O24  1  0.322  0.322  0.399  1.0
  O  O25  1  0.175  0.674  0.898  1.0
  O  O26  1  0.483  0.483  0.160  1.0
  O  O27  1  0.674  0.175  0.898  1.0
[/CIF]
.