The material described by Li4Nb3Cr2Fe3O16 is Spinel-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, corners with two equivalent Fe(3)O6 octahedra, and corners with three equivalent Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-64°. In the second Li site, Li(2) is bonded to one O(14), one O(16), one O(5), and one O(9) atom to form distorted 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 three equivalent Cr(2)O6 octahedra,  an edgeedge with one Nb(1)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, and  an edgeedge with one Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-72°. In the third Li site, Li(3) is bonded to one O(1), one O(10), one O(4), and one O(6) atom to form distorted LiO4 trigonal pyramids 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 three equivalent Cr(1)O6 octahedra,  an edgeedge with one Nb(2)O6 octahedra,  an edgeedge with one Nb(3)O6 octahedra, and  an edgeedge with one Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-72°. 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 trigonal pyramids 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, corners with two equivalent Fe(2)O6 octahedra, and corners with three equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-68°. 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 corners with two equivalent Cr(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid, corners with two equivalent Li(4)O4 trigonal pyramids,  an edgeedge with one Cr(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-51°. 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 corners with two equivalent Cr(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 trigonal pyramid,  an edgeedge with one Cr(2)O6 octahedra, edges with two equivalent Nb(3)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 50-51°. 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 corners with two equivalent Cr(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 trigonal pyramid,  an edgeedge with one Cr(2)O6 octahedra, edges with two equivalent Nb(2)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 49-51°. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(1), one O(10), one O(2), one O(6), one O(7), and one O(8) atom to form CrO6 octahedra that share corners with two equivalent Nb(2)O6 octahedra, corners with two equivalent Nb(3)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with three equivalent Li(3)O4 trigonal pyramids, corners with three equivalent Li(4)O4 trigonal pyramids,  an edgeedge with one Nb(1)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, and  an edgeedge with one Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-53°. In the second Cr site, Cr(2) is bonded to one O(11), one O(12), one O(14), one O(15), one O(16), and one O(9) atom to form CrO6 octahedra that share corners with two equivalent Nb(1)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Nb(2)O6 octahedra,  an edgeedge with one Nb(3)O6 octahedra, and  an edgeedge with one Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-54°. 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 corners with two equivalent Cr(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid, corners with two equivalent Li(4)O4 trigonal pyramids,  an edgeedge with one Cr(1)O6 octahedra, edges with two equivalent Nb(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 54°. 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 corners with two equivalent Cr(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid, corners with two equivalent Li(4)O4 trigonal pyramids,  an edgeedge with one Cr(1)O6 octahedra, edges with two equivalent Nb(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 51-52°. 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 corners with two equivalent Cr(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 trigonal pyramid,  an edgeedge with one Cr(2)O6 octahedra, edges with two equivalent Nb(2)O6 octahedra, edges with two equivalent Nb(3)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 53°. 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 Cr(1), and one Fe(3) atom. In the second O site, O(2) is bonded to one Li(4), one Cr(1), one Fe(1), and one Fe(2) atom to form distorted corner-sharing OLiCrFe2 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 distorted corner-sharing OLiNbFe2 tetrahedra. In the fifth O site, O(5) is bonded to one Li(2), one Nb(2), one Nb(3), and one Fe(3) atom to form distorted OLiNb2Fe tetrahedra that share corners with two equivalent O(15)LiNb2Cr tetrahedra, corners with two equivalent O(11)LiNbCrFe tetrahedra, and corners with two equivalent O(12)LiNbCrFe tetrahedra. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(3), one Nb(3), one Cr(1), and one Fe(3) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(4), one Nb(1), one Cr(1), and one Fe(1) atom. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Li(4), one Nb(1), one Cr(1), and one Fe(2) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Cr(2), one Fe(1), and one Fe(2) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Nb(2), one Nb(3), and one Cr(1) atom. In the eleventh O site, O(11) is bonded to one Li(1), one Nb(2), one Cr(2), and one Fe(3) atom to form distorted OLiNbCrFe tetrahedra that share  a cornercorner with one O(15)LiNb2Cr tetrahedra,  a cornercorner with one O(12)LiNbCrFe tetrahedra, corners with two equivalent O(5)LiNb2Fe tetrahedra,  an edgeedge with one O(15)LiNb2Cr tetrahedra, and  an edgeedge with one O(12)LiNbCrFe tetrahedra. In the twelfth O site, O(12) is bonded to one Li(1), one Nb(3), one Cr(2), and one Fe(3) atom to form distorted OLiNbCrFe tetrahedra that share  a cornercorner with one O(15)LiNb2Cr tetrahedra,  a cornercorner with one O(11)LiNbCrFe tetrahedra, corners with two equivalent O(5)LiNb2Fe tetrahedra,  an edgeedge with one O(15)LiNb2Cr tetrahedra, and  an edgeedge with one O(11)LiNbCrFe tetrahedra. 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 distorted rectangular see-saw-like geometry to one Li(2), one Nb(1), one Cr(2), and one Fe(1) atom. In the fifteenth O site, O(15) is bonded to one Li(1), one Nb(2), one Nb(3), and one Cr(2) atom to form distorted OLiNb2Cr tetrahedra that share  a cornercorner with one O(11)LiNbCrFe tetrahedra,  a cornercorner with one O(12)LiNbCrFe tetrahedra, corners with two equivalent O(5)LiNb2Fe tetrahedra,  an edgeedge with one O(11)LiNbCrFe tetrahedra, and  an edgeedge with one O(12)LiNbCrFe tetrahedra. In the sixteenth O site, O(16) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Nb(1), one Cr(2), and one Fe(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li4Nb3Cr2Fe3O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.118
_cell_length_b   6.121
_cell_length_c   9.773
_cell_angle_alpha   89.597
_cell_angle_beta   91.614
_cell_angle_gamma   119.947
_symmetry_Int_Tables_number   1
_cell_volume   316.997
_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  0.662  0.332  0.904  1.0
  Li  Li1  1  0.978  0.992  0.002  1.0
  Li  Li2  1  0.966  0.983  0.486  1.0
  Li  Li3  1  0.324  0.665  0.383  1.0
  Nb  Nb4  1  0.343  0.166  0.211  1.0
  Nb  Nb5  1  0.174  0.338  0.713  1.0
  Nb  Nb6  1  0.178  0.836  0.712  1.0
  Cr  Cr7  1  0.686  0.345  0.475  1.0
  Cr  Cr8  1  0.344  0.667  0.995  1.0
  Fe  Fe9  1  0.825  0.166  0.213  1.0
  Fe  Fe10  1  0.830  0.661  0.213  1.0
  Fe  Fe11  1  0.662  0.833  0.716  1.0
  O  O12  1  0.855  0.178  0.600  1.0
  O  O13  1  0.956  0.485  0.342  1.0
  O  O14  1  0.652  0.340  0.099  1.0
  O  O15  1  0.013  0.995  0.307  1.0
  O  O16  1  0.022  0.011  0.816  1.0
  O  O17  1  0.857  0.677  0.600  1.0
  O  O18  1  0.507  0.043  0.352  1.0
  O  O19  1  0.518  0.476  0.344  1.0
  O  O20  1  0.669  0.827  0.099  1.0
  O  O21  1  0.332  0.167  0.606  1.0
  O  O22  1  0.468  0.512  0.843  1.0
  O  O23  1  0.466  0.956  0.846  1.0
  O  O24  1  0.310  0.654  0.599  1.0
  O  O25  1  0.187  0.336  0.098  1.0
  O  O26  1  0.039  0.518  0.834  1.0
  O  O27  1  0.177  0.839  0.100  1.0
[/CIF]
.
The material described by Li4Nb3Cr2Fe3O16 is Spinel-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, corners with two equivalent Fe(3)O6 octahedra, and corners with three equivalent Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-64°. In the second Li site, Li(2) is bonded to one O(14), one O(16), one O(5), and one O(9) atom to form distorted 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 three equivalent Cr(2)O6 octahedra,  an edgeedge with one Nb(1)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, and  an edgeedge with one Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-72°. In the third Li site, Li(3) is bonded to one O(1), one O(10), one O(4), and one O(6) atom to form distorted LiO4 trigonal pyramids 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 three equivalent Cr(1)O6 octahedra,  an edgeedge with one Nb(2)O6 octahedra,  an edgeedge with one Nb(3)O6 octahedra, and  an edgeedge with one Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-72°. 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 trigonal pyramids 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, corners with two equivalent Fe(2)O6 octahedra, and corners with three equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-68°. 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 corners with two equivalent Cr(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid, corners with two equivalent Li(4)O4 trigonal pyramids,  an edgeedge with one Cr(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-51°. 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 corners with two equivalent Cr(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 trigonal pyramid,  an edgeedge with one Cr(2)O6 octahedra, edges with two equivalent Nb(3)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 50-51°. 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 corners with two equivalent Cr(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 trigonal pyramid,  an edgeedge with one Cr(2)O6 octahedra, edges with two equivalent Nb(2)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 49-51°. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(1), one O(10), one O(2), one O(6), one O(7), and one O(8) atom to form CrO6 octahedra that share corners with two equivalent Nb(2)O6 octahedra, corners with two equivalent Nb(3)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with three equivalent Li(3)O4 trigonal pyramids, corners with three equivalent Li(4)O4 trigonal pyramids,  an edgeedge with one Nb(1)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, and  an edgeedge with one Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-53°. In the second Cr site, Cr(2) is bonded to one O(11), one O(12), one O(14), one O(15), one O(16), and one O(9) atom to form CrO6 octahedra that share corners with two equivalent Nb(1)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Nb(2)O6 octahedra,  an edgeedge with one Nb(3)O6 octahedra, and  an edgeedge with one Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-54°. 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 corners with two equivalent Cr(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid, corners with two equivalent Li(4)O4 trigonal pyramids,  an edgeedge with one Cr(1)O6 octahedra, edges with two equivalent Nb(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 54°. 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 corners with two equivalent Cr(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid, corners with two equivalent Li(4)O4 trigonal pyramids,  an edgeedge with one Cr(1)O6 octahedra, edges with two equivalent Nb(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 51-52°. 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 corners with two equivalent Cr(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 trigonal pyramid,  an edgeedge with one Cr(2)O6 octahedra, edges with two equivalent Nb(2)O6 octahedra, edges with two equivalent Nb(3)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 53°. 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 Cr(1), and one Fe(3) atom. In the second O site, O(2) is bonded to one Li(4), one Cr(1), one Fe(1), and one Fe(2) atom to form distorted corner-sharing OLiCrFe2 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 distorted corner-sharing OLiNbFe2 tetrahedra. In the fifth O site, O(5) is bonded to one Li(2), one Nb(2), one Nb(3), and one Fe(3) atom to form distorted OLiNb2Fe tetrahedra that share corners with two equivalent O(15)LiNb2Cr tetrahedra, corners with two equivalent O(11)LiNbCrFe tetrahedra, and corners with two equivalent O(12)LiNbCrFe tetrahedra. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(3), one Nb(3), one Cr(1), and one Fe(3) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(4), one Nb(1), one Cr(1), and one Fe(1) atom. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Li(4), one Nb(1), one Cr(1), and one Fe(2) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Cr(2), one Fe(1), and one Fe(2) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Nb(2), one Nb(3), and one Cr(1) atom. In the eleventh O site, O(11) is bonded to one Li(1), one Nb(2), one Cr(2), and one Fe(3) atom to form distorted OLiNbCrFe tetrahedra that share  a cornercorner with one O(15)LiNb2Cr tetrahedra,  a cornercorner with one O(12)LiNbCrFe tetrahedra, corners with two equivalent O(5)LiNb2Fe tetrahedra,  an edgeedge with one O(15)LiNb2Cr tetrahedra, and  an edgeedge with one O(12)LiNbCrFe tetrahedra. In the twelfth O site, O(12) is bonded to one Li(1), one Nb(3), one Cr(2), and one Fe(3) atom to form distorted OLiNbCrFe tetrahedra that share  a cornercorner with one O(15)LiNb2Cr tetrahedra,  a cornercorner with one O(11)LiNbCrFe tetrahedra, corners with two equivalent O(5)LiNb2Fe tetrahedra,  an edgeedge with one O(15)LiNb2Cr tetrahedra, and  an edgeedge with one O(11)LiNbCrFe tetrahedra. 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 distorted rectangular see-saw-like geometry to one Li(2), one Nb(1), one Cr(2), and one Fe(1) atom. In the fifteenth O site, O(15) is bonded to one Li(1), one Nb(2), one Nb(3), and one Cr(2) atom to form distorted OLiNb2Cr tetrahedra that share  a cornercorner with one O(11)LiNbCrFe tetrahedra,  a cornercorner with one O(12)LiNbCrFe tetrahedra, corners with two equivalent O(5)LiNb2Fe tetrahedra,  an edgeedge with one O(11)LiNbCrFe tetrahedra, and  an edgeedge with one O(12)LiNbCrFe tetrahedra. In the sixteenth O site, O(16) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Nb(1), one Cr(2), and one Fe(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li4Nb3Cr2Fe3O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.118
_cell_length_b   6.121
_cell_length_c   9.773
_cell_angle_alpha   89.597
_cell_angle_beta   91.614
_cell_angle_gamma   119.947
_symmetry_Int_Tables_number   1
_cell_volume   316.997
_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  0.662  0.332  0.904  1.0
  Li  Li1  1  0.978  0.992  0.002  1.0
  Li  Li2  1  0.966  0.983  0.486  1.0
  Li  Li3  1  0.324  0.665  0.383  1.0
  Nb  Nb4  1  0.343  0.166  0.211  1.0
  Nb  Nb5  1  0.174  0.338  0.713  1.0
  Nb  Nb6  1  0.178  0.836  0.712  1.0
  Cr  Cr7  1  0.686  0.345  0.475  1.0
  Cr  Cr8  1  0.344  0.667  0.995  1.0
  Fe  Fe9  1  0.825  0.166  0.213  1.0
  Fe  Fe10  1  0.830  0.661  0.213  1.0
  Fe  Fe11  1  0.662  0.833  0.716  1.0
  O  O12  1  0.855  0.178  0.600  1.0
  O  O13  1  0.956  0.485  0.342  1.0
  O  O14  1  0.652  0.340  0.099  1.0
  O  O15  1  0.013  0.995  0.307  1.0
  O  O16  1  0.022  0.011  0.816  1.0
  O  O17  1  0.857  0.677  0.600  1.0
  O  O18  1  0.507  0.043  0.352  1.0
  O  O19  1  0.518  0.476  0.344  1.0
  O  O20  1  0.669  0.827  0.099  1.0
  O  O21  1  0.332  0.167  0.606  1.0
  O  O22  1  0.468  0.512  0.843  1.0
  O  O23  1  0.466  0.956  0.846  1.0
  O  O24  1  0.310  0.654  0.599  1.0
  O  O25  1  0.187  0.336  0.098  1.0
  O  O26  1  0.039  0.518  0.834  1.0
  O  O27  1  0.177  0.839  0.100  1.0
[/CIF]
.