Li2AgF3 crystallizes in the monoclinic C2/m space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to two equivalent F(2) and four equivalent F(1) atoms to form distorted LiF6 octahedra that share corners with two equivalent Li(3)F6 octahedra, corners with four equivalent Li(2)F6 octahedra, edges with two equivalent Li(3)F6 octahedra, edges with four equivalent Li(2)F6 octahedra, and edges with six equivalent Ag(1)F6 octahedra. The corner-sharing octahedral tilt angles range from 9-18°. In the second Li site, Li(2) is bonded to two equivalent F(2) and four equivalent F(1) atoms to form LiF6 octahedra that share corners with two equivalent Li(1)F6 octahedra, corners with four equivalent Ag(1)F6 octahedra, edges with two equivalent Li(1)F6 octahedra, edges with three equivalent Li(2)F6 octahedra, edges with three equivalent Li(3)F6 octahedra, and edges with four equivalent Ag(1)F6 octahedra. The corner-sharing octahedral tilt angles range from 13-18°. In the third Li site, Li(3) is bonded to two equivalent F(2) and four equivalent F(1) atoms to form distorted LiF6 octahedra that share corners with two equivalent Li(1)F6 octahedra, corners with four equivalent Ag(1)F6 octahedra, edges with two equivalent Li(1)F6 octahedra, edges with four equivalent Ag(1)F6 octahedra, and edges with six equivalent Li(2)F6 octahedra. The corner-sharing octahedral tilt angles range from 9-12°. Ag(1) is bonded to two equivalent F(2) and four equivalent F(1) atoms to form AgF6 octahedra that share corners with two equivalent Li(3)F6 octahedra, corners with four equivalent Li(2)F6 octahedra, edges with two equivalent Li(3)F6 octahedra, edges with three equivalent Li(1)F6 octahedra, edges with three equivalent Ag(1)F6 octahedra, and edges with four equivalent Li(2)F6 octahedra. The corner-sharing octahedral tilt angles range from 12-13°. There are two inequivalent F sites. In the first F site, F(1) is bonded to one Li(1), one Li(3), two equivalent Li(2), and two equivalent Ag(1) atoms to form a mixture of distorted corner and edge-sharing FLi4Ag2 octahedra. The corner-sharing octahedral tilt angles range from 0-14°. In the second F site, F(2) is bonded to one Li(1), one Li(3), two equivalent Li(2), and two equivalent Ag(1) atoms to form a mixture of distorted corner and edge-sharing FLi4Ag2 octahedra. The corner-sharing octahedral tilt angles range from 0-14°.
Li2AgF3 crystallizes in the monoclinic C2/m space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to two equivalent F(2) and four equivalent F(1) atoms to form distorted LiF6 octahedra that share corners with two equivalent Li(3)F6 octahedra, corners with four equivalent Li(2)F6 octahedra, edges with two equivalent Li(3)F6 octahedra, edges with four equivalent Li(2)F6 octahedra, and edges with six equivalent Ag(1)F6 octahedra. The corner-sharing octahedral tilt angles range from 9-18°. Both Li(1)-F(2) bond lengths are 2.00 Å. All Li(1)-F(1) bond lengths are 2.31 Å. In the second Li site, Li(2) is bonded to two equivalent F(2) and four equivalent F(1) atoms to form LiF6 octahedra that share corners with two equivalent Li(1)F6 octahedra, corners with four equivalent Ag(1)F6 octahedra, edges with two equivalent Li(1)F6 octahedra, edges with three equivalent Li(2)F6 octahedra, edges with three equivalent Li(3)F6 octahedra, and edges with four equivalent Ag(1)F6 octahedra. The corner-sharing octahedral tilt angles range from 13-18°. Both Li(2)-F(2) bond lengths are 2.07 Å. There are two shorter (2.02 Å) and two longer (2.33 Å) Li(2)-F(1) bond lengths. In the third Li site, Li(3) is bonded to two equivalent F(2) and four equivalent F(1) atoms to form distorted LiF6 octahedra that share corners with two equivalent Li(1)F6 octahedra, corners with four equivalent Ag(1)F6 octahedra, edges with two equivalent Li(1)F6 octahedra, edges with four equivalent Ag(1)F6 octahedra, and edges with six equivalent Li(2)F6 octahedra. The corner-sharing octahedral tilt angles range from 9-12°. Both Li(3)-F(2) bond lengths are 2.47 Å. All Li(3)-F(1) bond lengths are 2.01 Å. Ag(1) is bonded to two equivalent F(2) and four equivalent F(1) atoms to form AgF6 octahedra that share corners with two equivalent Li(3)F6 octahedra, corners with four equivalent Li(2)F6 octahedra, edges with two equivalent Li(3)F6 octahedra, edges with three equivalent Li(1)F6 octahedra, edges with three equivalent Ag(1)F6 octahedra, and edges with four equivalent Li(2)F6 octahedra. The corner-sharing octahedral tilt angles range from 12-13°. Both Ag(1)-F(2) bond lengths are 2.46 Å. There are two shorter (2.45 Å) and two longer (2.48 Å) Ag(1)-F(1) bond lengths. There are two inequivalent F sites. In the first F site, F(1) is bonded to one Li(1), one Li(3), two equivalent Li(2), and two equivalent Ag(1) atoms to form a mixture of distorted corner and edge-sharing FLi4Ag2 octahedra. The corner-sharing octahedral tilt angles range from 0-14°. In the second F site, F(2) is bonded to one Li(1), one Li(3), two equivalent Li(2), and two equivalent Ag(1) atoms to form a mixture of distorted corner and edge-sharing FLi4Ag2 octahedra. The corner-sharing octahedral tilt angles range from 0-14°.