The material described by Li4Nb3Fe3(SbO8)2 is beta indium sulfide-derived structured and crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(11), one O(12), one O(15), and one O(3) atom to form LiO4 tetrahedra that share  a cornercorner with one Nb(1)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra, corners with two equivalent Nb(2)O6 octahedra, corners with two equivalent Nb(3)O6 octahedra, and corners with two equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-62°. In the second Li site, Li(2) is bonded in a rectangular see-saw-like geometry to one O(14), one O(16), one O(5), and one O(9) atom. In the third Li site, Li(3) is bonded in a rectangular see-saw-like geometry to one O(1), one O(10), one O(4), and one O(6) atom. In the fourth Li site, Li(4) is bonded to one O(13), one O(2), one O(7), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Nb(2)O6 octahedra,  a cornercorner with one Nb(3)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, corners with two equivalent Nb(1)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, and corners with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-66°. There are three inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to one O(14), one O(16), one O(3), one O(4), one O(7), and one O(8) atom to form NbO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra, edges with two equivalent Fe(1)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. In the second Nb site, Nb(2) is bonded to one O(1), one O(10), one O(11), one O(13), one O(15), and one O(5) atom to form NbO6 octahedra that share  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, edges with two equivalent Nb(3)O6 octahedra, and edges with two equivalent Fe(3)O6 octahedra. In the third Nb site, Nb(3) is bonded to one O(10), one O(12), one O(13), one O(15), one O(5), and one O(6) atom to form NbO6 octahedra that share  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, edges with two equivalent Nb(2)O6 octahedra, and edges with two equivalent Fe(3)O6 octahedra. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(14), one O(2), one O(3), one O(4), one O(7), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra, edges with two equivalent Nb(1)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. In the second Fe site, Fe(2) is bonded to one O(16), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra, edges with two equivalent Nb(1)O6 octahedra, and edges with two equivalent Fe(1)O6 octahedra. In the third Fe site, Fe(3) is bonded to one O(1), one O(11), one O(12), one O(13), one O(5), and one O(6) atom to form FeO6 octahedra that share  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, edges with two equivalent Nb(2)O6 octahedra, and edges with two equivalent Nb(3)O6 octahedra. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(2), one O(6), one O(7), and one O(8) atom. In the second Sb site, Sb(2) is bonded in a distorted trigonal non-coplanar geometry to one O(14), one O(16), and one O(9) atom. There are sixteen 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 Fe(3), and one Sb(1) atom. In the second O site, O(2) is bonded to one Li(4), one Fe(1), one Fe(2), and one Sb(1) atom to form corner-sharing OLiFe2Sb tetrahedra. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(1), one Nb(1), one Fe(1), and one Fe(2) atom. In the fourth O site, O(4) is bonded to one Li(3), one Nb(1), one Fe(1), and one Fe(2) atom to form corner-sharing OLiNbFe2 tetrahedra. In the fifth O site, O(5) is bonded in a distorted trigonal pyramidal geometry to one Li(2), one Nb(2), one Nb(3), and one Fe(3) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(3), one Nb(3), one Fe(3), and one Sb(1) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Li(4), one Nb(1), one Fe(1), 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(4), one Nb(1), one Fe(2), and one Sb(1) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(1), one Fe(2), and one Sb(2) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Li(3), one Nb(2), one Nb(3), and one Sb(1) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Li(1), one Nb(2), and one Fe(3) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Li(1), one Nb(3), and one Fe(3) atom. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Li(4), one Nb(2), one Nb(3), and one Fe(3) atom. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Li(2), one Nb(1), one Fe(1), and one Sb(2) atom. In the fifteenth O site, O(15) is bonded in a distorted trigonal planar geometry to one Li(1), one Nb(2), and one Nb(3) atom. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Li(2), one Nb(1), one Fe(2), and one Sb(2) atom. is represented by the CIF card [CIF]
data_Li4Nb3Fe3(SbO8)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.156
_cell_length_b   6.226
_cell_length_c   10.555
_cell_angle_alpha   90.740
_cell_angle_beta   89.784
_cell_angle_gamma   118.916
_symmetry_Int_Tables_number   1
_cell_volume   354.079
_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  0.672  0.340  0.899  1.0
  Li  Li1  1  0.001  0.001  0.003  1.0
  Li  Li2  1  0.999  0.001  0.487  1.0
  Li  Li3  1  0.340  0.678  0.389  1.0
  Nb  Nb4  1  0.823  0.650  0.231  1.0
  Nb  Nb5  1  0.162  0.823  0.719  1.0
  Nb  Nb6  1  0.659  0.822  0.719  1.0
  Fe  Fe7  1  0.339  0.164  0.216  1.0
  Fe  Fe8  1  0.825  0.166  0.216  1.0
  Fe  Fe9  1  0.166  0.332  0.705  1.0
  Sb  Sb10  1  0.643  0.284  0.497  1.0
  Sb  Sb11  1  0.321  0.649  0.024  1.0
  O  O12  1  0.302  0.130  0.594  1.0
  O  O13  1  0.536  0.041  0.345  1.0
  O  O14  1  0.692  0.360  0.109  1.0
  O  O15  1  0.984  0.987  0.308  1.0
  O  O16  1  0.994  0.992  0.818  1.0
  O  O17  1  0.829  0.132  0.596  1.0
  O  O18  1  0.523  0.506  0.326  1.0
  O  O19  1  0.983  0.500  0.326  1.0
  O  O20  1  0.143  0.313  0.109  1.0
  O  O21  1  0.862  0.719  0.608  1.0
  O  O22  1  0.017  0.528  0.813  1.0
  O  O23  1  0.514  0.526  0.811  1.0
  O  O24  1  0.349  0.694  0.607  1.0
  O  O25  1  0.156  0.834  0.107  1.0
  O  O26  1  0.491  0.986  0.817  1.0
  O  O27  1  0.675  0.843  0.110  1.0
[/CIF]
.
The material described by Li4Nb3Fe3(SbO8)2 is beta indium sulfide-derived structured and crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(11), one O(12), one O(15), and one O(3) atom to form LiO4 tetrahedra that share  a cornercorner with one Nb(1)O6 octahedra,  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra, corners with two equivalent Nb(2)O6 octahedra, corners with two equivalent Nb(3)O6 octahedra, and corners with two equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-62°. In the second Li site, Li(2) is bonded in a rectangular see-saw-like geometry to one O(14), one O(16), one O(5), and one O(9) atom. In the third Li site, Li(3) is bonded in a rectangular see-saw-like geometry to one O(1), one O(10), one O(4), and one O(6) atom. In the fourth Li site, Li(4) is bonded to one O(13), one O(2), one O(7), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Nb(2)O6 octahedra,  a cornercorner with one Nb(3)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, corners with two equivalent Nb(1)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, and corners with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-66°. There are three inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to one O(14), one O(16), one O(3), one O(4), one O(7), and one O(8) atom to form NbO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra, edges with two equivalent Fe(1)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. In the second Nb site, Nb(2) is bonded to one O(1), one O(10), one O(11), one O(13), one O(15), and one O(5) atom to form NbO6 octahedra that share  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, edges with two equivalent Nb(3)O6 octahedra, and edges with two equivalent Fe(3)O6 octahedra. In the third Nb site, Nb(3) is bonded to one O(10), one O(12), one O(13), one O(15), one O(5), and one O(6) atom to form NbO6 octahedra that share  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, edges with two equivalent Nb(2)O6 octahedra, and edges with two equivalent Fe(3)O6 octahedra. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(14), one O(2), one O(3), one O(4), one O(7), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra, edges with two equivalent Nb(1)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. In the second Fe site, Fe(2) is bonded to one O(16), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra, edges with two equivalent Nb(1)O6 octahedra, and edges with two equivalent Fe(1)O6 octahedra. In the third Fe site, Fe(3) is bonded to one O(1), one O(11), one O(12), one O(13), one O(5), and one O(6) atom to form FeO6 octahedra that share  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, edges with two equivalent Nb(2)O6 octahedra, and edges with two equivalent Nb(3)O6 octahedra. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(2), one O(6), one O(7), and one O(8) atom. In the second Sb site, Sb(2) is bonded in a distorted trigonal non-coplanar geometry to one O(14), one O(16), and one O(9) atom. There are sixteen 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 Fe(3), and one Sb(1) atom. In the second O site, O(2) is bonded to one Li(4), one Fe(1), one Fe(2), and one Sb(1) atom to form corner-sharing OLiFe2Sb tetrahedra. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(1), one Nb(1), one Fe(1), and one Fe(2) atom. In the fourth O site, O(4) is bonded to one Li(3), one Nb(1), one Fe(1), and one Fe(2) atom to form corner-sharing OLiNbFe2 tetrahedra. In the fifth O site, O(5) is bonded in a distorted trigonal pyramidal geometry to one Li(2), one Nb(2), one Nb(3), and one Fe(3) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(3), one Nb(3), one Fe(3), and one Sb(1) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Li(4), one Nb(1), one Fe(1), 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(4), one Nb(1), one Fe(2), and one Sb(1) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(1), one Fe(2), and one Sb(2) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Li(3), one Nb(2), one Nb(3), and one Sb(1) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Li(1), one Nb(2), and one Fe(3) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Li(1), one Nb(3), and one Fe(3) atom. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Li(4), one Nb(2), one Nb(3), and one Fe(3) atom. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Li(2), one Nb(1), one Fe(1), and one Sb(2) atom. In the fifteenth O site, O(15) is bonded in a distorted trigonal planar geometry to one Li(1), one Nb(2), and one Nb(3) atom. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Li(2), one Nb(1), one Fe(2), and one Sb(2) atom. is represented by the CIF card [CIF]
data_Li4Nb3Fe3(SbO8)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.156
_cell_length_b   6.226
_cell_length_c   10.555
_cell_angle_alpha   90.740
_cell_angle_beta   89.784
_cell_angle_gamma   118.916
_symmetry_Int_Tables_number   1
_cell_volume   354.079
_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  0.672  0.340  0.899  1.0
  Li  Li1  1  0.001  0.001  0.003  1.0
  Li  Li2  1  0.999  0.001  0.487  1.0
  Li  Li3  1  0.340  0.678  0.389  1.0
  Nb  Nb4  1  0.823  0.650  0.231  1.0
  Nb  Nb5  1  0.162  0.823  0.719  1.0
  Nb  Nb6  1  0.659  0.822  0.719  1.0
  Fe  Fe7  1  0.339  0.164  0.216  1.0
  Fe  Fe8  1  0.825  0.166  0.216  1.0
  Fe  Fe9  1  0.166  0.332  0.705  1.0
  Sb  Sb10  1  0.643  0.284  0.497  1.0
  Sb  Sb11  1  0.321  0.649  0.024  1.0
  O  O12  1  0.302  0.130  0.594  1.0
  O  O13  1  0.536  0.041  0.345  1.0
  O  O14  1  0.692  0.360  0.109  1.0
  O  O15  1  0.984  0.987  0.308  1.0
  O  O16  1  0.994  0.992  0.818  1.0
  O  O17  1  0.829  0.132  0.596  1.0
  O  O18  1  0.523  0.506  0.326  1.0
  O  O19  1  0.983  0.500  0.326  1.0
  O  O20  1  0.143  0.313  0.109  1.0
  O  O21  1  0.862  0.719  0.608  1.0
  O  O22  1  0.017  0.528  0.813  1.0
  O  O23  1  0.514  0.526  0.811  1.0
  O  O24  1  0.349  0.694  0.607  1.0
  O  O25  1  0.156  0.834  0.107  1.0
  O  O26  1  0.491  0.986  0.817  1.0
  O  O27  1  0.675  0.843  0.110  1.0
[/CIF]
.