Sc2P2O8F crystallizes in the monoclinic P2_1/c space group. There are four inequivalent Sc sites. In the first Sc site, Sc(1) is bonded to one O(1), one O(10), one O(3), one O(6), and one F(1) atom to form ScO4F square pyramids that share  a cornercorner with one Sc(2)O4F2 octahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and corners with two equivalent P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 49°. The Sc(1)-O(1) bond length is 2.07 Å. The Sc(1)-O(10) bond length is 2.10 Å. The Sc(1)-O(3) bond length is 2.02 Å. The Sc(1)-O(6) bond length is 2.10 Å. The Sc(1)-F(1) bond length is 2.07 Å. In the second Sc site, Sc(2) is bonded to one O(11), one O(12), one O(14), one O(8), one F(1), and one F(2) atom to form ScO4F2 octahedra that share  a cornercorner with one Sc(1)O4F square pyramid,  a cornercorner with one Sc(3)O4F square pyramid,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent P(3)O4 tetrahedra. The Sc(2)-O(11) bond length is 2.09 Å. The Sc(2)-O(12) bond length is 2.09 Å. The Sc(2)-O(14) bond length is 2.08 Å. The Sc(2)-O(8) bond length is 2.05 Å. The Sc(2)-F(1) bond length is 2.05 Å. The Sc(2)-F(2) bond length is 2.08 Å. In the third Sc site, Sc(3) is bonded to one O(13), one O(2), one O(5), one O(9), and one F(2) atom to form ScO4F square pyramids that share  a cornercorner with one Sc(2)O4F2 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles are 54°. The Sc(3)-O(13) bond length is 2.12 Å. The Sc(3)-O(2) bond length is 2.07 Å. The Sc(3)-O(5) bond length is 2.05 Å. The Sc(3)-O(9) bond length is 2.07 Å. The Sc(3)-F(2) bond length is 2.05 Å. In the fourth Sc site, Sc(4) is bonded in a rectangular see-saw-like geometry to one O(15), one O(16), one O(4), and one O(7) atom. The Sc(4)-O(15) bond length is 2.05 Å. The Sc(4)-O(16) bond length is 2.01 Å. The Sc(4)-O(4) bond length is 2.06 Å. The Sc(4)-O(7) bond length is 2.03 Å. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one Sc(3)O4F square pyramid and corners with two equivalent Sc(1)O4F square pyramids. The P(1)-O(1) bond length is 1.53 Å. The P(1)-O(2) bond length is 1.54 Å. The P(1)-O(3) bond length is 1.53 Å. The P(1)-O(4) bond length is 1.54 Å. In the second P site, P(2) is bonded to one O(5), one O(6), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Sc(2)O4F2 octahedra,  a cornercorner with one Sc(1)O4F square pyramid, and  a cornercorner with one Sc(3)O4F square pyramid. The corner-sharing octahedral tilt angles are 50°. The P(2)-O(5) bond length is 1.54 Å. The P(2)-O(6) bond length is 1.53 Å. The P(2)-O(7) bond length is 1.54 Å. The P(2)-O(8) bond length is 1.54 Å. In the third P site, P(3) is bonded to one O(10), one O(11), one O(12), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Sc(2)O4F2 octahedra,  a cornercorner with one Sc(1)O4F square pyramid, and  a cornercorner with one Sc(3)O4F square pyramid. The corner-sharing octahedral tilt angles range from 36-51°. The P(3)-O(10) bond length is 1.55 Å. The P(3)-O(11) bond length is 1.54 Å. The P(3)-O(12) bond length is 1.54 Å. The P(3)-O(9) bond length is 1.53 Å. In the fourth P site, P(4) is bonded to one O(13), one O(14), one O(15), and one O(16) atom to form PO4 tetrahedra that share  a cornercorner with one Sc(2)O4F2 octahedra and  a cornercorner with one Sc(3)O4F square pyramid. The corner-sharing octahedral tilt angles are 52°. The P(4)-O(13) bond length is 1.53 Å. The P(4)-O(14) bond length is 1.55 Å. The P(4)-O(15) bond length is 1.54 Å. The P(4)-O(16) bond length is 1.52 Å. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Sc(1) and one P(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Sc(3) and one P(1) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Sc(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Sc(4) and one P(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Sc(3) and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Sc(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Sc(4) and one P(2) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Sc(2) and one P(2) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Sc(3) and one P(3) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Sc(1) and one P(3) atom. In the eleventh O site, O(11) is bonded in a bent 150 degrees geometry to one Sc(2) and one P(3) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one Sc(2) and one P(3) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 120 degrees geometry to one Sc(3) and one P(4) atom. In the fourteenth O site, O(14) is bonded in a bent 120 degrees geometry to one Sc(2) and one P(4) atom. In the fifteenth O site, O(15) is bonded in a bent 150 degrees geometry to one Sc(4) and one P(4) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one Sc(4) and one P(4) atom. There are two inequivalent F sites. In the first F site, F(1) is bonded in a bent 120 degrees geometry to one Sc(1) and one Sc(2) atom. In the second F site, F(2) is bonded in a bent 120 degrees geometry to one Sc(2) and one Sc(3) atom. Linkers: 16 [O]P([O])([O])=O. Metal clusters: 16 [Sc]. The MOF has largest included sphere 5.49 A, density 1.75 g/cm3, surface area 2799.60 m2/g, accessible volume 0.24 cm3/g