LiAl2Pb2H4(O2F3)2 crystallizes in the triclinic P1 space group. Li(1) is bonded to two equivalent Pb(2), one O(3), one F(1), one F(2), and one F(6) atom to form distorted LiPb2OF3 trigonal pyramids that share corners with two equivalent Al(1)O3F3 octahedra, corners with two equivalent Al(2)O3F3 octahedra, and corners with two equivalent Li(1)Pb2OF3 trigonal pyramids. The corner-sharing octahedral tilt angles range from 12-55°. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(1), one O(2), one O(3), one F(1), one F(3), and one F(5) atom to form AlO3F3 octahedra that share corners with two equivalent Li(1)Pb2OF3 trigonal pyramids and  an edgeedge with one Al(2)O3F3 octahedra. In the second Al site, Al(2) is bonded to one O(1), one O(2), one O(4), one F(2), one F(4), and one F(6) atom to form AlO3F3 octahedra that share corners with two equivalent Li(1)Pb2OF3 trigonal pyramids and  an edgeedge with one Al(1)O3F3 octahedra. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 4-coordinate geometry to one O(3), one O(4), one F(2), and one F(5) atom. In the second Pb site, Pb(2) is bonded in a 8-coordinate geometry to two equivalent Li(1), one O(1), one O(4), one F(1), one F(3), one F(4), and one F(6) atom. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(4) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Al(1), one Al(2), one Pb(2), and one H(1) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Al(1), one Al(2), and one H(2) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to one Li(1), one Al(1), one Pb(1), and one H(3) atom. In the fourth O site, O(4) is bonded in a 1-coordinate geometry to one Al(2), one Pb(1), one Pb(2), and one H(4) atom. There are six inequivalent F sites. In the first F site, F(1) is bonded in a distorted bent 150 degrees geometry to one Li(1), one Al(1), and one Pb(2) atom. In the second F site, F(2) is bonded in a distorted bent 120 degrees geometry to one Li(1), one Al(2), and one Pb(1) atom. In the third F site, F(3) is bonded in a single-bond geometry to one Al(1) and one Pb(2) atom. In the fourth F site, F(4) is bonded in a single-bond geometry to one Al(2) and one Pb(2) atom. In the fifth F site, F(5) is bonded in a distorted single-bond geometry to one Al(1) and one Pb(1) atom. In the sixth F site, F(6) is bonded in a linear geometry to one Li(1), one Al(2), and one Pb(2) atom.
LiAl2Pb2H4(O2F3)2 crystallizes in the triclinic P1 space group. Li(1) is bonded to two equivalent Pb(2), one O(3), one F(1), one F(2), and one F(6) atom to form distorted LiPb2OF3 trigonal pyramids that share corners with two equivalent Al(1)O3F3 octahedra, corners with two equivalent Al(2)O3F3 octahedra, and corners with two equivalent Li(1)Pb2OF3 trigonal pyramids. The corner-sharing octahedral tilt angles range from 12-55°. There is one shorter (2.95 Å) and one longer (3.14 Å) Li(1)-Pb(2) bond length. The Li(1)-O(3) bond length is 1.95 Å. The Li(1)-F(1) bond length is 1.94 Å. The Li(1)-F(2) bond length is 2.21 Å. The Li(1)-F(6) bond length is 2.01 Å. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(1), one O(2), one O(3), one F(1), one F(3), and one F(5) atom to form AlO3F3 octahedra that share corners with two equivalent Li(1)Pb2OF3 trigonal pyramids and  an edgeedge with one Al(2)O3F3 octahedra. The Al(1)-O(1) bond length is 1.92 Å. The Al(1)-O(2) bond length is 2.02 Å. The Al(1)-O(3) bond length is 1.89 Å. The Al(1)-F(1) bond length is 1.83 Å. The Al(1)-F(3) bond length is 1.82 Å. The Al(1)-F(5) bond length is 1.83 Å. In the second Al site, Al(2) is bonded to one O(1), one O(2), one O(4), one F(2), one F(4), and one F(6) atom to form AlO3F3 octahedra that share corners with two equivalent Li(1)Pb2OF3 trigonal pyramids and  an edgeedge with one Al(1)O3F3 octahedra. The Al(2)-O(1) bond length is 1.92 Å. The Al(2)-O(2) bond length is 1.94 Å. The Al(2)-O(4) bond length is 1.92 Å. The Al(2)-F(2) bond length is 1.87 Å. The Al(2)-F(4) bond length is 1.84 Å. The Al(2)-F(6) bond length is 1.83 Å. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 4-coordinate geometry to one O(3), one O(4), one F(2), and one F(5) atom. The Pb(1)-O(3) bond length is 2.48 Å. The Pb(1)-O(4) bond length is 2.45 Å. The Pb(1)-F(2) bond length is 2.67 Å. The Pb(1)-F(5) bond length is 2.52 Å. In the second Pb site, Pb(2) is bonded in a 8-coordinate geometry to two equivalent Li(1), one O(1), one O(4), one F(1), one F(3), one F(4), and one F(6) atom. The Pb(2)-O(1) bond length is 2.69 Å. The Pb(2)-O(4) bond length is 2.51 Å. The Pb(2)-F(1) bond length is 2.58 Å. The Pb(2)-F(3) bond length is 2.71 Å. The Pb(2)-F(4) bond length is 2.70 Å. The Pb(2)-F(6) bond length is 2.81 Å. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) atom. The H(1)-O(1) bond length is 0.98 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(2) atom. The H(2)-O(2) bond length is 0.98 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(3) atom. The H(3)-O(3) bond length is 0.98 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(4) atom. The H(4)-O(4) bond length is 0.98 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Al(1), one Al(2), one Pb(2), and one H(1) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Al(1), one Al(2), and one H(2) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to one Li(1), one Al(1), one Pb(1), and one H(3) atom. In the fourth O site, O(4) is bonded in a 1-coordinate geometry to one Al(2), one Pb(1), one Pb(2), and one H(4) atom. There are six inequivalent F sites. In the first F site, F(1) is bonded in a distorted bent 150 degrees geometry to one Li(1), one Al(1), and one Pb(2) atom. In the second F site, F(2) is bonded in a distorted bent 120 degrees geometry to one Li(1), one Al(2), and one Pb(1) atom. In the third F site, F(3) is bonded in a single-bond geometry to one Al(1) and one Pb(2) atom. In the fourth F site, F(4) is bonded in a single-bond geometry to one Al(2) and one Pb(2) atom. In the fifth F site, F(5) is bonded in a distorted single-bond geometry to one Al(1) and one Pb(1) atom. In the sixth F site, F(6) is bonded in a linear geometry to one Li(1), one Al(2), and one Pb(2) atom.