LiFeWO4Cl crystallizes in the monoclinic Pm space group. Li(1) is bonded to one O(1), one O(2), one O(5), one O(6), one Cl(1), and one Cl(2) atom to form distorted LiCl2O4 octahedra that share  a cornercorner with one Fe(1)Cl2O4 octahedra,  a cornercorner with one Fe(2)Cl2O4 octahedra, corners with two equivalent W(1)O4 tetrahedra, corners with two equivalent W(2)O4 tetrahedra, edges with two equivalent Li(1)Cl2O4 octahedra,  a faceface with one Fe(1)Cl2O4 octahedra, and  a faceface with one Fe(2)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 63-64°. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(2), one O(4), and two equivalent O(6) atoms to form WO4 tetrahedra that share corners with two equivalent Fe(1)Cl2O4 octahedra, corners with two equivalent Fe(2)Cl2O4 octahedra, and corners with four equivalent Li(1)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 22-56°. In the second W site, W(2) is bonded to one O(1), one O(3), and two equivalent O(5) atoms to form WO4 tetrahedra that share corners with two equivalent Fe(1)Cl2O4 octahedra, corners with two equivalent Fe(2)Cl2O4 octahedra, and corners with four equivalent Li(1)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 24-56°. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(3), two equivalent O(6), and two equivalent Cl(1) atoms to form distorted FeCl2O4 octahedra that share corners with two equivalent Li(1)Cl2O4 octahedra, corners with two equivalent Fe(1)Cl2O4 octahedra, corners with two equivalent W(1)O4 tetrahedra, corners with two equivalent W(2)O4 tetrahedra, and faces with two equivalent Li(1)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 10-63°. In the second Fe site, Fe(2) is bonded to one O(2), one O(4), two equivalent O(5), and two equivalent Cl(2) atoms to form distorted FeCl2O4 octahedra that share corners with two equivalent Li(1)Cl2O4 octahedra, corners with two equivalent Fe(2)Cl2O4 octahedra, corners with two equivalent W(1)O4 tetrahedra, corners with two equivalent W(2)O4 tetrahedra, and faces with two equivalent Li(1)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 8-64°. There are six inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Li(1), one W(2), and one Fe(1) atom to form distorted OLi2FeW trigonal pyramids that share  a cornercorner with one Cl(1)Li2Fe2 tetrahedra, corners with two equivalent Cl(2)Li2Fe2 tetrahedra, corners with two equivalent O(2)Li2FeW trigonal pyramids, and  a faceface with one Cl(1)Li2Fe2 tetrahedra. In the second O site, O(2) is bonded to two equivalent Li(1), one W(1), and one Fe(2) atom to form distorted OLi2FeW trigonal pyramids that share  a cornercorner with one Cl(2)Li2Fe2 tetrahedra, corners with two equivalent Cl(1)Li2Fe2 tetrahedra, corners with two equivalent O(1)Li2FeW trigonal pyramids, and  a faceface with one Cl(2)Li2Fe2 tetrahedra. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one W(2) and one Fe(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one W(1) and one Fe(2) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Li(1), one W(2), and one Fe(2) atom. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Li(1), one W(1), and one Fe(1) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded to two equivalent Li(1) and two equivalent Fe(1) atoms to form distorted ClLi2Fe2 tetrahedra that share corners with two equivalent Cl(1)Li2Fe2 tetrahedra, corners with two equivalent Cl(2)Li2Fe2 tetrahedra,  a cornercorner with one O(1)Li2FeW trigonal pyramid, corners with two equivalent O(2)Li2FeW trigonal pyramids, and  a faceface with one O(1)Li2FeW trigonal pyramid. In the second Cl site, Cl(2) is bonded to two equivalent Li(1) and two equivalent Fe(2) atoms to form distorted ClLi2Fe2 tetrahedra that share corners with two equivalent Cl(1)Li2Fe2 tetrahedra, corners with two equivalent Cl(2)Li2Fe2 tetrahedra,  a cornercorner with one O(2)Li2FeW trigonal pyramid, corners with two equivalent O(1)Li2FeW trigonal pyramids, and  a faceface with one O(2)Li2FeW trigonal pyramid.
LiFeWO4Cl crystallizes in the monoclinic Pm space group. Li(1) is bonded to one O(1), one O(2), one O(5), one O(6), one Cl(1), and one Cl(2) atom to form distorted LiCl2O4 octahedra that share  a cornercorner with one Fe(1)Cl2O4 octahedra,  a cornercorner with one Fe(2)Cl2O4 octahedra, corners with two equivalent W(1)O4 tetrahedra, corners with two equivalent W(2)O4 tetrahedra, edges with two equivalent Li(1)Cl2O4 octahedra,  a faceface with one Fe(1)Cl2O4 octahedra, and  a faceface with one Fe(2)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 63-64°. The Li(1)-O(1) bond length is 2.29 Å. The Li(1)-O(2) bond length is 2.19 Å. The Li(1)-O(5) bond length is 2.13 Å. The Li(1)-O(6) bond length is 2.06 Å. The Li(1)-Cl(1) bond length is 2.60 Å. The Li(1)-Cl(2) bond length is 2.61 Å. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(2), one O(4), and two equivalent O(6) atoms to form WO4 tetrahedra that share corners with two equivalent Fe(1)Cl2O4 octahedra, corners with two equivalent Fe(2)Cl2O4 octahedra, and corners with four equivalent Li(1)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 22-56°. The W(1)-O(2) bond length is 1.84 Å. The W(1)-O(4) bond length is 1.79 Å. Both W(1)-O(6) bond lengths are 1.82 Å. In the second W site, W(2) is bonded to one O(1), one O(3), and two equivalent O(5) atoms to form WO4 tetrahedra that share corners with two equivalent Fe(1)Cl2O4 octahedra, corners with two equivalent Fe(2)Cl2O4 octahedra, and corners with four equivalent Li(1)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 24-56°. The W(2)-O(1) bond length is 1.83 Å. The W(2)-O(3) bond length is 1.80 Å. Both W(2)-O(5) bond lengths are 1.82 Å. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(3), two equivalent O(6), and two equivalent Cl(1) atoms to form distorted FeCl2O4 octahedra that share corners with two equivalent Li(1)Cl2O4 octahedra, corners with two equivalent Fe(1)Cl2O4 octahedra, corners with two equivalent W(1)O4 tetrahedra, corners with two equivalent W(2)O4 tetrahedra, and faces with two equivalent Li(1)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 10-63°. The Fe(1)-O(1) bond length is 2.24 Å. The Fe(1)-O(3) bond length is 2.04 Å. Both Fe(1)-O(6) bond lengths are 2.10 Å. There is one shorter (2.55 Å) and one longer (2.60 Å) Fe(1)-Cl(1) bond length. In the second Fe site, Fe(2) is bonded to one O(2), one O(4), two equivalent O(5), and two equivalent Cl(2) atoms to form distorted FeCl2O4 octahedra that share corners with two equivalent Li(1)Cl2O4 octahedra, corners with two equivalent Fe(2)Cl2O4 octahedra, corners with two equivalent W(1)O4 tetrahedra, corners with two equivalent W(2)O4 tetrahedra, and faces with two equivalent Li(1)Cl2O4 octahedra. The corner-sharing octahedral tilt angles range from 8-64°. The Fe(2)-O(2) bond length is 2.24 Å. The Fe(2)-O(4) bond length is 2.06 Å. Both Fe(2)-O(5) bond lengths are 2.08 Å. There is one shorter (2.55 Å) and one longer (2.60 Å) Fe(2)-Cl(2) bond length. There are six inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Li(1), one W(2), and one Fe(1) atom to form distorted OLi2FeW trigonal pyramids that share  a cornercorner with one Cl(1)Li2Fe2 tetrahedra, corners with two equivalent Cl(2)Li2Fe2 tetrahedra, corners with two equivalent O(2)Li2FeW trigonal pyramids, and  a faceface with one Cl(1)Li2Fe2 tetrahedra. In the second O site, O(2) is bonded to two equivalent Li(1), one W(1), and one Fe(2) atom to form distorted OLi2FeW trigonal pyramids that share  a cornercorner with one Cl(2)Li2Fe2 tetrahedra, corners with two equivalent Cl(1)Li2Fe2 tetrahedra, corners with two equivalent O(1)Li2FeW trigonal pyramids, and  a faceface with one Cl(2)Li2Fe2 tetrahedra. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one W(2) and one Fe(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one W(1) and one Fe(2) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Li(1), one W(2), and one Fe(2) atom. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Li(1), one W(1), and one Fe(1) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded to two equivalent Li(1) and two equivalent Fe(1) atoms to form distorted ClLi2Fe2 tetrahedra that share corners with two equivalent Cl(1)Li2Fe2 tetrahedra, corners with two equivalent Cl(2)Li2Fe2 tetrahedra,  a cornercorner with one O(1)Li2FeW trigonal pyramid, corners with two equivalent O(2)Li2FeW trigonal pyramids, and  a faceface with one O(1)Li2FeW trigonal pyramid. In the second Cl site, Cl(2) is bonded to two equivalent Li(1) and two equivalent Fe(2) atoms to form distorted ClLi2Fe2 tetrahedra that share corners with two equivalent Cl(1)Li2Fe2 tetrahedra, corners with two equivalent Cl(2)Li2Fe2 tetrahedra,  a cornercorner with one O(2)Li2FeW trigonal pyramid, corners with two equivalent O(1)Li2FeW trigonal pyramids, and  a faceface with one O(2)Li2FeW trigonal pyramid.