LiCr2(PO3)5 crystallizes in the monoclinic Pc space group. Li(1) is bonded to one O(1), one O(13), one O(4), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent P(5)O4 tetrahedra,  an edgeedge with one Cr(1)O5 square pyramid, and  an edgeedge with one Cr(2)O5 square pyramid. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(13), one O(14), one O(3), one O(5), and one O(6) atom to form CrO5 square pyramids that share  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and  an edgeedge with one Li(1)O4 tetrahedra. In the second Cr site, Cr(2) is bonded to one O(1), one O(2), one O(4), one O(8), and one O(9) atom to form CrO5 square pyramids that share  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(5)O4 tetrahedra, and  an edgeedge with one Li(1)O4 tetrahedra. There are five inequivalent P sites. In the first P site, P(1) is bonded to one O(10), one O(5), one O(6), and one O(7) atom to form PO4 tetrahedra that share corners with two equivalent Cr(1)O5 square pyramids,  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. In the second P site, P(2) is bonded to one O(11), one O(3), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Cr(1)O5 square pyramid,  a cornercorner with one Cr(2)O5 square pyramid,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. In the third P site, P(3) is bonded to one O(10), one O(12), one O(13), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Cr(1)O5 square pyramid,  a cornercorner with one Cr(2)O5 square pyramid,  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(5)O4 tetrahedra. In the fourth P site, P(4) is bonded to one O(11), one O(14), one O(15), and one O(2) atom to form PO4 tetrahedra that share  a cornercorner with one Cr(1)O5 square pyramid,  a cornercorner with one Cr(2)O5 square pyramid,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(5)O4 tetrahedra. In the fifth P site, P(5) is bonded to one O(1), one O(12), one O(15), and one O(4) atom to form PO4 tetrahedra that share corners with two equivalent Cr(2)O5 square pyramids,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent Li(1)O4 tetrahedra. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(1), one Cr(2), and one P(5) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Cr(2) and one P(4) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Cr(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Li(1), one Cr(2), and one P(5) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Cr(1) and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Li(1), one Cr(1), and one P(1) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one P(1) and one P(2) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Cr(2) and one P(2) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Cr(2) and one P(3) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one P(1) and one P(3) atom. In the eleventh O site, O(11) is bonded in a linear geometry to one P(2) and one P(4) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one P(3) and one P(5) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Li(1), one Cr(1), and one P(3) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 150 degrees geometry to one Cr(1) and one P(4) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 150 degrees geometry to one P(4) and one P(5) atom.
LiCr2(PO3)5 crystallizes in the monoclinic Pc space group. Li(1) is bonded to one O(1), one O(13), one O(4), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent P(5)O4 tetrahedra,  an edgeedge with one Cr(1)O5 square pyramid, and  an edgeedge with one Cr(2)O5 square pyramid. The Li(1)-O(1) bond length is 1.97 Å. The Li(1)-O(13) bond length is 1.98 Å. The Li(1)-O(4) bond length is 1.95 Å. The Li(1)-O(6) bond length is 1.96 Å. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(13), one O(14), one O(3), one O(5), and one O(6) atom to form CrO5 square pyramids that share  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and  an edgeedge with one Li(1)O4 tetrahedra. The Cr(1)-O(13) bond length is 2.14 Å. The Cr(1)-O(14) bond length is 2.02 Å. The Cr(1)-O(3) bond length is 2.10 Å. The Cr(1)-O(5) bond length is 2.17 Å. The Cr(1)-O(6) bond length is 2.11 Å. In the second Cr site, Cr(2) is bonded to one O(1), one O(2), one O(4), one O(8), and one O(9) atom to form CrO5 square pyramids that share  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(5)O4 tetrahedra, and  an edgeedge with one Li(1)O4 tetrahedra. The Cr(2)-O(1) bond length is 2.16 Å. The Cr(2)-O(2) bond length is 2.09 Å. The Cr(2)-O(4) bond length is 2.28 Å. The Cr(2)-O(8) bond length is 2.01 Å. The Cr(2)-O(9) bond length is 2.06 Å. There are five inequivalent P sites. In the first P site, P(1) is bonded to one O(10), one O(5), one O(6), and one O(7) atom to form PO4 tetrahedra that share corners with two equivalent Cr(1)O5 square pyramids,  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The P(1)-O(10) bond length is 1.63 Å. The P(1)-O(5) bond length is 1.48 Å. The P(1)-O(6) bond length is 1.52 Å. The P(1)-O(7) bond length is 1.61 Å. In the second P site, P(2) is bonded to one O(11), one O(3), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Cr(1)O5 square pyramid,  a cornercorner with one Cr(2)O5 square pyramid,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The P(2)-O(11) bond length is 1.57 Å. The P(2)-O(3) bond length is 1.51 Å. The P(2)-O(7) bond length is 1.61 Å. The P(2)-O(8) bond length is 1.50 Å. In the third P site, P(3) is bonded to one O(10), one O(12), one O(13), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Cr(1)O5 square pyramid,  a cornercorner with one Cr(2)O5 square pyramid,  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(5)O4 tetrahedra. The P(3)-O(10) bond length is 1.61 Å. The P(3)-O(12) bond length is 1.62 Å. The P(3)-O(13) bond length is 1.52 Å. The P(3)-O(9) bond length is 1.49 Å. In the fourth P site, P(4) is bonded to one O(11), one O(14), one O(15), and one O(2) atom to form PO4 tetrahedra that share  a cornercorner with one Cr(1)O5 square pyramid,  a cornercorner with one Cr(2)O5 square pyramid,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(5)O4 tetrahedra. The P(4)-O(11) bond length is 1.57 Å. The P(4)-O(14) bond length is 1.50 Å. The P(4)-O(15) bond length is 1.61 Å. The P(4)-O(2) bond length is 1.51 Å. In the fifth P site, P(5) is bonded to one O(1), one O(12), one O(15), and one O(4) atom to form PO4 tetrahedra that share corners with two equivalent Cr(2)O5 square pyramids,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent Li(1)O4 tetrahedra. The P(5)-O(1) bond length is 1.51 Å. The P(5)-O(12) bond length is 1.62 Å. The P(5)-O(15) bond length is 1.60 Å. The P(5)-O(4) bond length is 1.50 Å. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(1), one Cr(2), and one P(5) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Cr(2) and one P(4) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Cr(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Li(1), one Cr(2), and one P(5) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Cr(1) and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Li(1), one Cr(1), and one P(1) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one P(1) and one P(2) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Cr(2) and one P(2) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Cr(2) and one P(3) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one P(1) and one P(3) atom. In the eleventh O site, O(11) is bonded in a linear geometry to one P(2) and one P(4) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one P(3) and one P(5) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Li(1), one Cr(1), and one P(3) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 150 degrees geometry to one Cr(1) and one P(4) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 150 degrees geometry to one P(4) and one P(5) atom.