The structure described by Li4NbCr(WO6)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 in a 6-coordinate geometry to one O(1), one O(11), one O(4), one O(7), one O(8), and one O(9) atom. In the second Li site, Li(2) is bonded in a 6-coordinate geometry to one O(10), one O(12), one O(2), one O(3), one O(5), and one O(6) atom. In the third Li site, Li(3) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(5), one O(6), one O(8), and one O(9) atom. In the fourth Li site, Li(4) is bonded in a trigonal planar geometry to one O(1), one O(11), and one O(3) atom. Nb(1) is bonded to one O(1), one O(12), one O(4), one O(6), one O(7), and one O(9) atom to form NbO6 octahedra that share corners with two equivalent W(2)O6 octahedra and corners with four equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-41°. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(11), one O(12), one O(2), one O(4), and one O(9) atom to form WO6 octahedra that share corners with two equivalent Cr(1)O6 octahedra and corners with four equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-41°. In the second W site, W(2) is bonded to one O(10), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form WO6 octahedra that share corners with two equivalent Nb(1)O6 octahedra and corners with four equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-40°. Cr(1) is bonded to one O(10), one O(11), one O(2), one O(3), one O(5), and one O(8) atom to form CrO6 octahedra that share corners with two equivalent W(1)O6 octahedra and corners with four equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-37°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(4), one Nb(1), and one W(1) atom to form a mixture of distorted edge and corner-sharing OLi2NbW trigonal pyramids. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to one Li(2), one Li(3), one W(1), and one Cr(1) atom. In the third O site, O(3) is bonded to one Li(2), one Li(4), one W(2), and one Cr(1) atom to form OLi2CrW trigonal pyramids that share corners with two equivalent O(11)Li2CrW tetrahedra and  a cornercorner with one O(1)Li2NbW trigonal pyramid. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Li(1), one Nb(1), and one W(1) atom. In the fifth O site, O(5) is bonded in a distorted see-saw-like geometry to one Li(2), one Li(3), one W(2), and one Cr(1) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Li(2), one Li(3), one Nb(1), and one W(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Li(1), one Nb(1), and one W(2) atom. In the eighth O site, O(8) is bonded in a distorted see-saw-like geometry to one Li(1), one Li(3), one W(2), and one Cr(1) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Li(1), one Li(3), one Nb(1), and one W(1) atom. In the tenth O site, O(10) is bonded in a distorted see-saw-like geometry to one Li(2), one Li(3), one W(2), and one Cr(1) atom. In the eleventh O site, O(11) is bonded to one Li(1), one Li(4), one W(1), and one Cr(1) atom to form OLi2CrW tetrahedra that share  a cornercorner with one O(1)Li2NbW trigonal pyramid, corners with two equivalent O(3)Li2CrW trigonal pyramids, and  an edgeedge with one O(1)Li2NbW trigonal pyramid. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Li(2), one Nb(1), and one W(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li4NbCr(WO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.180
_cell_length_b   5.477
_cell_length_c   7.546
_cell_angle_alpha   94.300
_cell_angle_beta   89.977
_cell_angle_gamma   89.880
_symmetry_Int_Tables_number   1
_cell_volume   213.476
_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
  Cr  Cr0  1  0.001  1.000  0.003  1.0
  Li  Li1  1  0.001  0.586  0.730  1.0
  Li  Li2  1  0.497  0.062  0.194  1.0
  Li  Li3  1  0.996  0.580  0.193  1.0
  Li  Li4  1  0.504  0.017  0.755  1.0
  Nb  Nb5  1  0.503  0.517  0.488  1.0
  O  O6  1  0.307  0.807  0.569  1.0
  O  O7  1  0.117  0.987  0.264  1.0
  O  O8  1  0.317  0.190  0.953  1.0
  O  O9  1  0.182  0.305  0.569  1.0
  O  O10  1  0.794  0.303  0.068  1.0
  O  O11  1  0.374  0.491  0.252  1.0
  O  O12  1  0.622  0.485  0.752  1.0
  O  O13  1  0.199  0.682  0.950  1.0
  O  O14  1  0.821  0.680  0.444  1.0
  O  O15  1  0.694  0.788  0.064  1.0
  O  O16  1  0.886  0.976  0.743  1.0
  O  O17  1  0.684  0.173  0.444  1.0
  W  W18  1  0.997  0.019  0.502  1.0
  W  W19  1  0.506  0.495  0.991  1.0
[/CIF]
.
The structure described by Li4NbCr(WO6)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 in a 6-coordinate geometry to one O(1), one O(11), one O(4), one O(7), one O(8), and one O(9) atom. In the second Li site, Li(2) is bonded in a 6-coordinate geometry to one O(10), one O(12), one O(2), one O(3), one O(5), and one O(6) atom. In the third Li site, Li(3) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(5), one O(6), one O(8), and one O(9) atom. In the fourth Li site, Li(4) is bonded in a trigonal planar geometry to one O(1), one O(11), and one O(3) atom. Nb(1) is bonded to one O(1), one O(12), one O(4), one O(6), one O(7), and one O(9) atom to form NbO6 octahedra that share corners with two equivalent W(2)O6 octahedra and corners with four equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-41°. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(11), one O(12), one O(2), one O(4), and one O(9) atom to form WO6 octahedra that share corners with two equivalent Cr(1)O6 octahedra and corners with four equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-41°. In the second W site, W(2) is bonded to one O(10), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form WO6 octahedra that share corners with two equivalent Nb(1)O6 octahedra and corners with four equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-40°. Cr(1) is bonded to one O(10), one O(11), one O(2), one O(3), one O(5), and one O(8) atom to form CrO6 octahedra that share corners with two equivalent W(1)O6 octahedra and corners with four equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-37°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(4), one Nb(1), and one W(1) atom to form a mixture of distorted edge and corner-sharing OLi2NbW trigonal pyramids. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to one Li(2), one Li(3), one W(1), and one Cr(1) atom. In the third O site, O(3) is bonded to one Li(2), one Li(4), one W(2), and one Cr(1) atom to form OLi2CrW trigonal pyramids that share corners with two equivalent O(11)Li2CrW tetrahedra and  a cornercorner with one O(1)Li2NbW trigonal pyramid. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Li(1), one Nb(1), and one W(1) atom. In the fifth O site, O(5) is bonded in a distorted see-saw-like geometry to one Li(2), one Li(3), one W(2), and one Cr(1) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Li(2), one Li(3), one Nb(1), and one W(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Li(1), one Nb(1), and one W(2) atom. In the eighth O site, O(8) is bonded in a distorted see-saw-like geometry to one Li(1), one Li(3), one W(2), and one Cr(1) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Li(1), one Li(3), one Nb(1), and one W(1) atom. In the tenth O site, O(10) is bonded in a distorted see-saw-like geometry to one Li(2), one Li(3), one W(2), and one Cr(1) atom. In the eleventh O site, O(11) is bonded to one Li(1), one Li(4), one W(1), and one Cr(1) atom to form OLi2CrW tetrahedra that share  a cornercorner with one O(1)Li2NbW trigonal pyramid, corners with two equivalent O(3)Li2CrW trigonal pyramids, and  an edgeedge with one O(1)Li2NbW trigonal pyramid. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Li(2), one Nb(1), and one W(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li4NbCr(WO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.180
_cell_length_b   5.477
_cell_length_c   7.546
_cell_angle_alpha   94.300
_cell_angle_beta   89.977
_cell_angle_gamma   89.880
_symmetry_Int_Tables_number   1
_cell_volume   213.476
_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
  Cr  Cr0  1  0.001  1.000  0.003  1.0
  Li  Li1  1  0.001  0.586  0.730  1.0
  Li  Li2  1  0.497  0.062  0.194  1.0
  Li  Li3  1  0.996  0.580  0.193  1.0
  Li  Li4  1  0.504  0.017  0.755  1.0
  Nb  Nb5  1  0.503  0.517  0.488  1.0
  O  O6  1  0.307  0.807  0.569  1.0
  O  O7  1  0.117  0.987  0.264  1.0
  O  O8  1  0.317  0.190  0.953  1.0
  O  O9  1  0.182  0.305  0.569  1.0
  O  O10  1  0.794  0.303  0.068  1.0
  O  O11  1  0.374  0.491  0.252  1.0
  O  O12  1  0.622  0.485  0.752  1.0
  O  O13  1  0.199  0.682  0.950  1.0
  O  O14  1  0.821  0.680  0.444  1.0
  O  O15  1  0.694  0.788  0.064  1.0
  O  O16  1  0.886  0.976  0.743  1.0
  O  O17  1  0.684  0.173  0.444  1.0
  W  W18  1  0.997  0.019  0.502  1.0
  W  W19  1  0.506  0.495  0.991  1.0
[/CIF]
.