U3P3H2O12F crystallizes in the monoclinic P2_1/c space group. There are six inequivalent U sites. In the first U site, U(1) is bonded in a distorted pentagonal planar geometry to one O(10), one O(11), one O(13), one O(3), and one O(5) atom. The U(1)-O(10) bond length is 2.58 Å. The U(1)-O(11) bond length is 2.40 Å. The U(1)-O(13) bond length is 2.25 Å. The U(1)-O(3) bond length is 2.48 Å. The U(1)-O(5) bond length is 2.31 Å. In the second U site, U(2) is bonded in a distorted pentagonal planar geometry to one O(10), one O(11), one O(17), one O(4), and one O(7) atom. The U(2)-O(10) bond length is 2.38 Å. The U(2)-O(11) bond length is 2.58 Å. The U(2)-O(17) bond length is 2.25 Å. The U(2)-O(4) bond length is 2.47 Å. The U(2)-O(7) bond length is 2.31 Å. In the third U site, U(3) is bonded in a 4-coordinate geometry to one O(14), one O(19), one O(22), and one F(2) atom. The U(3)-O(14) bond length is 2.33 Å. The U(3)-O(19) bond length is 2.38 Å. The U(3)-O(22) bond length is 2.35 Å. The U(3)-F(2) bond length is 2.30 Å. In the fourth U site, U(4) is bonded in a 4-coordinate geometry to one O(15), one O(21), one O(23), and one F(1) atom. The U(4)-O(15) bond length is 2.36 Å. The U(4)-O(21) bond length is 2.33 Å. The U(4)-O(23) bond length is 2.33 Å. The U(4)-F(1) bond length is 2.31 Å. In the fifth U site, U(5) is bonded in a distorted pentagonal planar geometry to one O(16), one O(4), one O(8), and two equivalent O(1) atoms. The U(5)-O(16) bond length is 2.30 Å. The U(5)-O(4) bond length is 2.49 Å. The U(5)-O(8) bond length is 2.26 Å. There is one shorter (2.37 Å) and one longer (2.54 Å) U(5)-O(1) bond length. In the sixth U site, U(6) is bonded in a distorted pentagonal planar geometry to one O(18), one O(3), one O(9), and two equivalent O(6) atoms. The U(6)-O(18) bond length is 2.30 Å. The U(6)-O(3) bond length is 2.47 Å. The U(6)-O(9) bond length is 2.29 Å. There is one shorter (2.37 Å) and one longer (2.52 Å) U(6)-O(6) bond length. There are six inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to one O(12), one O(19), one O(5), and one O(9) atom. The P(1)-O(12) bond length is 1.59 Å. The P(1)-O(19) bond length is 1.51 Å. The P(1)-O(5) bond length is 1.52 Å. The P(1)-O(9) bond length is 1.52 Å. In the second P site, P(2) is bonded in a tetrahedral geometry to one O(17), one O(18), one O(20), and one O(23) atom. The P(2)-O(17) bond length is 1.52 Å. The P(2)-O(18) bond length is 1.52 Å. The P(2)-O(20) bond length is 1.58 Å. The P(2)-O(23) bond length is 1.51 Å. In the third P site, P(3) is bonded in a tetrahedral geometry to one O(15), one O(16), one O(2), and one O(7) atom. The P(3)-O(15) bond length is 1.51 Å. The P(3)-O(16) bond length is 1.51 Å. The P(3)-O(2) bond length is 1.58 Å. The P(3)-O(7) bond length is 1.53 Å. In the fourth P site, P(4) is bonded in a tetrahedral geometry to one O(10), one O(21), one O(3), and one O(6) atom. The P(4)-O(10) bond length is 1.54 Å. The P(4)-O(21) bond length is 1.49 Å. The P(4)-O(3) bond length is 1.56 Å. The P(4)-O(6) bond length is 1.54 Å. In the fifth P site, P(5) is bonded in a tetrahedral geometry to one O(1), one O(11), one O(22), and one O(4) atom. The P(5)-O(1) bond length is 1.54 Å. The P(5)-O(11) bond length is 1.54 Å. The P(5)-O(22) bond length is 1.48 Å. The P(5)-O(4) bond length is 1.58 Å. In the sixth P site, P(6) is bonded in a tetrahedral geometry to one O(13), one O(14), one O(24), and one O(8) atom. The P(6)-O(13) bond length is 1.51 Å. The P(6)-O(14) bond length is 1.51 Å. The P(6)-O(24) bond length is 1.58 Å. The P(6)-O(8) bond length is 1.52 Å. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(12) atom. The H(1)-O(12) bond length is 0.83 Å. In the second H site, H(2) is bonded in a linear geometry to one O(24) and one F(1) atom. The H(2)-O(24) bond length is 1.11 Å. The H(2)-F(1) bond length is 1.37 Å. In the third H site, H(3) is bonded in a bent 150 degrees geometry to one O(2) and one O(24) atom. The H(3)-O(2) bond length is 1.00 Å. The H(3)-O(24) bond length is 1.70 Å. In the fourth H site, H(4) is bonded in a bent 150 degrees geometry to one O(20) and one F(2) atom. The H(4)-O(20) bond length is 1.00 Å. The H(4)-F(2) bond length is 1.49 Å. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent U(5) and one P(5) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one P(3) and one H(3) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one U(1), one U(6), and one P(4) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one U(2), one U(5), and one P(5) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one U(1) and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to two equivalent U(6) and one P(4) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one U(2) and one P(3) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one U(5) and one P(6) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one U(6) and one P(1) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one U(1), one U(2), and one P(4) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one U(1), one U(2), and one P(5) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one P(1) and one H(1) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one U(1) and one P(6) atom. In the fourteenth O site, O(14) is bonded in a distorted single-bond geometry to one U(3) and one P(6) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one U(4) and one P(3) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one U(5) and one P(3) atom. In the seventeenth O site, O(17) is bonded in a distorted bent 150 degrees geometry to one U(2) and one P(2) atom. In the eighteenth O site, O(18) is bonded in a distorted single-bond geometry to one U(6) and one P(2) atom. In the nineteenth O site, O(19) is bonded in a distorted single-bond geometry to one U(3) and one P(1) atom. In the twentieth O site, O(20) is bonded in a bent 120 degrees geometry to one P(2) and one H(4) atom. In the twenty-first O site, O(21) is bonded in a distorted single-bond geometry to one U(4) and one P(4) atom. In the twenty-second O site, O(22) is bonded in a single-bond geometry to one U(3) and one P(5) atom. In the twenty-third O site, O(23) is bonded in a distorted single-bond geometry to one U(4) and one P(2) atom. In the twenty-fourth O site, O(24) is bonded in a distorted water-like geometry to one P(6), one H(2), and one H(3) atom. There are two inequivalent F sites. In the first F site, F(1) is bonded in a distorted bent 120 degrees geometry to one U(4) and one H(2) atom. In the second F site, F(2) is bonded in a bent 120 degrees geometry to one U(3) and one H(4) atom. Linkers: 16 [O]P([O])(=O)O ,8 [O]P([O])([O])=O. Metal clusters: 24 [U]. The MOF has largest included sphere 6.60 A, density 2.83 g/cm3, surface area 1434.40 m2/g, accessible volume 0.21 cm3/g