Li4Cr3Cu3(WO8)2 is Hausmannite-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 Cr(1)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra, corners with two equivalent Cu(2)O6 octahedra, corners with three equivalent W(2)O6 octahedra, and corners with four equivalent Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 58-63°. In the second Li site, Li(2) is bonded to one O(5), one O(7), and two equivalent O(11) atoms to form LiO4 tetrahedra that share  a cornercorner with one Cu(2)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra, corners with three equivalent W(2)O6 octahedra,  an edgeedge with one Cr(1)O6 octahedra, and edges with two equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-65°. In the third Li site, Li(3) is bonded to one O(4), one O(8), and two equivalent O(1) atoms to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Cr(1)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra, corners with three equivalent W(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra, and edges with two equivalent Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 59-68°. 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 Cu(2)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra, corners with three equivalent W(1)O6 octahedra, and corners with four equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-66°. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form WO6 octahedra that share corners with two equivalent Cu(2)O6 octahedra, corners with four equivalent Cr(2)O6 octahedra, corners with three equivalent Li(4)O4 tetrahedra, corners with three equivalent Li(3)O4 trigonal pyramids,  an edgeedge with one Cr(1)O6 octahedra, and edges with two equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 45-55°. In the second W site, W(2) is bonded to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form WO6 octahedra that share corners with two equivalent Cr(1)O6 octahedra, corners with four equivalent Cu(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Cu(2)O6 octahedra, and edges with two equivalent Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-53°. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form CrO6 octahedra that share corners with two equivalent W(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid,  an edgeedge with one W(1)O6 octahedra, edges with four equivalent Cu(1)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 41°. In the second Cr site, Cr(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 CrO6 octahedra that share corners with two equivalent W(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one W(2)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, edges with two equivalent Cu(2)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 45-48°. There are two inequivalent Cu sites. In the first Cu site, Cu(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 distorted CuO6 octahedra that share corners with two equivalent W(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid,  an edgeedge with one W(1)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, edges with two equivalent Cu(1)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 53°. In the second Cu site, Cu(2) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms to form CuO6 octahedra that share corners with two equivalent W(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one W(2)O6 octahedra, edges with four equivalent Cr(2)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 55°. 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 W(1), one Cr(2), and one Cu(2) atom. In the second O site, O(2) is bonded to one Li(4), one W(1), and two equivalent Cu(1) atoms to form distorted OLiCu2W tetrahedra that share  a cornercorner with one O(10)LiCr2Cu tetrahedra, corners with two equivalent O(4)LiCrCu2 tetrahedra, and  an edgeedge with one O(3)LiCrCu2 tetrahedra. In the third O site, O(3) is bonded to one Li(1), one Cr(1), and two equivalent Cu(1) atoms to form OLiCrCu2 tetrahedra that share corners with three equivalent O(4)LiCrCu2 tetrahedra,  a cornercorner with one O(12)LiCr2W trigonal pyramid, and  an edgeedge with one O(2)LiCu2W tetrahedra. In the fourth O site, O(4) is bonded to one Li(3), one Cr(1), and two equivalent Cu(1) atoms to form OLiCrCu2 tetrahedra that share corners with two equivalent O(2)LiCu2W tetrahedra and corners with three equivalent O(3)LiCrCu2 tetrahedra. In the fifth O site, O(5) is bonded to one Li(2), two equivalent Cr(2), and one Cu(2) atom to form OLiCr2Cu tetrahedra that share corners with three equivalent O(10)LiCr2Cu tetrahedra and corners with two equivalent O(12)LiCr2W trigonal pyramids. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Li(4), one W(1), one Cr(1), and one Cu(1) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(2), one W(2), and two equivalent Cu(1) atoms. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Li(3), one W(1), and two equivalent Cr(2) atoms. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one W(2), one Cr(2), and one Cu(2) atom. In the tenth O site, O(10) is bonded to one Li(4), two equivalent Cr(2), and one Cu(2) atom to form distorted OLiCr2Cu tetrahedra that share  a cornercorner with one O(2)LiCu2W tetrahedra, corners with three equivalent O(5)LiCr2Cu tetrahedra, and  an edgeedge with one O(12)LiCr2W trigonal pyramid. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Li(2), one W(2), one Cr(1), and one Cu(1) atom. In the twelfth O site, O(12) is bonded to one Li(1), one W(2), and two equivalent Cr(2) atoms to form distorted OLiCr2W trigonal pyramids that share  a cornercorner with one O(3)LiCrCu2 tetrahedra, corners with two equivalent O(5)LiCr2Cu tetrahedra, and  an edgeedge with one O(10)LiCr2Cu tetrahedra.
Li4Cr3Cu3(WO8)2 is Hausmannite-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 Cr(1)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra, corners with two equivalent Cu(2)O6 octahedra, corners with three equivalent W(2)O6 octahedra, and corners with four equivalent Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 58-63°. The Li(1)-O(12) bond length is 2.07 Å. The Li(1)-O(3) bond length is 2.07 Å. Both Li(1)-O(9) bond lengths are 1.98 Å. In the second Li site, Li(2) is bonded to one O(5), one O(7), and two equivalent O(11) atoms to form LiO4 tetrahedra that share  a cornercorner with one Cu(2)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra, corners with three equivalent W(2)O6 octahedra,  an edgeedge with one Cr(1)O6 octahedra, and edges with two equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-65°. The Li(2)-O(5) bond length is 1.82 Å. The Li(2)-O(7) bond length is 1.97 Å. Both Li(2)-O(11) bond lengths are 2.02 Å. In the third Li site, Li(3) is bonded to one O(4), one O(8), and two equivalent O(1) atoms to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Cr(1)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra, corners with three equivalent W(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra, and edges with two equivalent Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 59-68°. The Li(3)-O(4) bond length is 1.84 Å. The Li(3)-O(8) bond length is 2.09 Å. Both Li(3)-O(1) bond lengths are 2.02 Å. 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 Cu(2)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra, corners with three equivalent W(1)O6 octahedra, and corners with four equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-66°. The Li(4)-O(10) bond length is 1.98 Å. The Li(4)-O(2) bond length is 2.00 Å. Both Li(4)-O(6) bond lengths are 1.96 Å. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form WO6 octahedra that share corners with two equivalent Cu(2)O6 octahedra, corners with four equivalent Cr(2)O6 octahedra, corners with three equivalent Li(4)O4 tetrahedra, corners with three equivalent Li(3)O4 trigonal pyramids,  an edgeedge with one Cr(1)O6 octahedra, and edges with two equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 45-55°. The W(1)-O(2) bond length is 2.07 Å. The W(1)-O(8) bond length is 1.99 Å. Both W(1)-O(1) bond lengths are 1.94 Å. Both W(1)-O(6) bond lengths are 1.94 Å. In the second W site, W(2) is bonded to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form WO6 octahedra that share corners with two equivalent Cr(1)O6 octahedra, corners with four equivalent Cu(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Cu(2)O6 octahedra, and edges with two equivalent Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-53°. The W(2)-O(12) bond length is 2.05 Å. The W(2)-O(7) bond length is 1.93 Å. Both W(2)-O(11) bond lengths are 1.89 Å. Both W(2)-O(9) bond lengths are 2.03 Å. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form CrO6 octahedra that share corners with two equivalent W(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid,  an edgeedge with one W(1)O6 octahedra, edges with four equivalent Cu(1)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 41°. The Cr(1)-O(3) bond length is 1.98 Å. The Cr(1)-O(4) bond length is 1.97 Å. Both Cr(1)-O(11) bond lengths are 2.08 Å. Both Cr(1)-O(6) bond lengths are 2.01 Å. In the second Cr site, Cr(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 CrO6 octahedra that share corners with two equivalent W(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one W(2)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, edges with two equivalent Cu(2)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 45-48°. The Cr(2)-O(1) bond length is 2.09 Å. The Cr(2)-O(10) bond length is 1.96 Å. The Cr(2)-O(12) bond length is 2.05 Å. The Cr(2)-O(5) bond length is 1.97 Å. The Cr(2)-O(8) bond length is 2.07 Å. The Cr(2)-O(9) bond length is 2.01 Å. There are two inequivalent Cu sites. In the first Cu site, Cu(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 distorted CuO6 octahedra that share corners with two equivalent W(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid,  an edgeedge with one W(1)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, edges with two equivalent Cu(1)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 53°. The Cu(1)-O(11) bond length is 2.40 Å. The Cu(1)-O(2) bond length is 2.04 Å. The Cu(1)-O(3) bond length is 1.89 Å. The Cu(1)-O(4) bond length is 1.89 Å. The Cu(1)-O(6) bond length is 2.42 Å. The Cu(1)-O(7) bond length is 2.08 Å. In the second Cu site, Cu(2) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms to form CuO6 octahedra that share corners with two equivalent W(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one W(2)O6 octahedra, edges with four equivalent Cr(2)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 55°. The Cu(2)-O(10) bond length is 1.91 Å. The Cu(2)-O(5) bond length is 1.91 Å. Both Cu(2)-O(1) bond lengths are 2.20 Å. Both Cu(2)-O(9) bond lengths are 2.15 Å. 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 W(1), one Cr(2), and one Cu(2) atom. In the second O site, O(2) is bonded to one Li(4), one W(1), and two equivalent Cu(1) atoms to form distorted OLiCu2W tetrahedra that share  a cornercorner with one O(10)LiCr2Cu tetrahedra, corners with two equivalent O(4)LiCrCu2 tetrahedra, and  an edgeedge with one O(3)LiCrCu2 tetrahedra. In the third O site, O(3) is bonded to one Li(1), one Cr(1), and two equivalent Cu(1) atoms to form OLiCrCu2 tetrahedra that share corners with three equivalent O(4)LiCrCu2 tetrahedra,  a cornercorner with one O(12)LiCr2W trigonal pyramid, and  an edgeedge with one O(2)LiCu2W tetrahedra. In the fourth O site, O(4) is bonded to one Li(3), one Cr(1), and two equivalent Cu(1) atoms to form OLiCrCu2 tetrahedra that share corners with two equivalent O(2)LiCu2W tetrahedra and corners with three equivalent O(3)LiCrCu2 tetrahedra. In the fifth O site, O(5) is bonded to one Li(2), two equivalent Cr(2), and one Cu(2) atom to form OLiCr2Cu tetrahedra that share corners with three equivalent O(10)LiCr2Cu tetrahedra and corners with two equivalent O(12)LiCr2W trigonal pyramids. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Li(4), one W(1), one Cr(1), and one Cu(1) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(2), one W(2), and two equivalent Cu(1) atoms. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Li(3), one W(1), and two equivalent Cr(2) atoms. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one W(2), one Cr(2), and one Cu(2) atom. In the tenth O site, O(10) is bonded to one Li(4), two equivalent Cr(2), and one Cu(2) atom to form distorted OLiCr2Cu tetrahedra that share  a cornercorner with one O(2)LiCu2W tetrahedra, corners with three equivalent O(5)LiCr2Cu tetrahedra, and  an edgeedge with one O(12)LiCr2W trigonal pyramid. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Li(2), one W(2), one Cr(1), and one Cu(1) atom. In the twelfth O site, O(12) is bonded to one Li(1), one W(2), and two equivalent Cr(2) atoms to form distorted OLiCr2W trigonal pyramids that share  a cornercorner with one O(3)LiCrCu2 tetrahedra, corners with two equivalent O(5)LiCr2Cu tetrahedra, and  an edgeedge with one O(10)LiCr2Cu tetrahedra.