UZnC10N2H10O3F4C5NH4 crystallizes in the monoclinic P2_1/c space group. The structure consists of four 4,4'-bipyridine molecules inside a UZnC10N2H10O3F4 framework. In the UZnC10N2H10O3F4 framework, there are two inequivalent U sites. In the first U site, U(1) is bonded to one O(1), one O(2), one F(1), one F(2), one F(3), one F(4), and one F(5) atom to form distorted UO2F5 pentagonal bipyramids that share  a cornercorner with one Zn(2)N2OF3 octahedra,  an edgeedge with one Zn(1)N2F4 octahedra, and  an edgeedge with one U(2)O3F4 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 27°. The U(1)-O(1) bond length is 1.82 Å. The U(1)-O(2) bond length is 1.82 Å. The U(1)-F(1) bond length is 2.31 Å. The U(1)-F(2) bond length is 2.24 Å. The U(1)-F(3) bond length is 2.31 Å. The U(1)-F(4) bond length is 2.50 Å. The U(1)-F(5) bond length is 2.26 Å. In the second U site, U(2) is bonded to one O(3), one O(4), one O(5), one F(1), one F(4), one F(6), and one F(7) atom to form distorted UO3F4 pentagonal bipyramids that share  a cornercorner with one Zn(2)N2OF3 octahedra, corners with two equivalent Zn(1)N2F4 octahedra, and  an edgeedge with one U(1)O2F5 pentagonal bipyramid. The corner-sharing octahedral tilt angles range from 23-34°. The U(2)-O(3) bond length is 1.82 Å. The U(2)-O(4) bond length is 1.82 Å. The U(2)-O(5) bond length is 2.46 Å. The U(2)-F(1) bond length is 2.35 Å. The U(2)-F(4) bond length is 2.37 Å. The U(2)-F(6) bond length is 2.24 Å. The U(2)-F(7) bond length is 2.22 Å. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one N(1), one N(3), one F(3), one F(4), one F(7), and one F(8) atom to form ZnN2F4 octahedra that share  a cornercorner with one Zn(2)N2OF3 octahedra, corners with two equivalent U(2)O3F4 pentagonal bipyramids, and  an edgeedge with one U(1)O2F5 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 46°. The Zn(1)-N(1) bond length is 2.06 Å. The Zn(1)-N(3) bond length is 2.07 Å. The Zn(1)-F(3) bond length is 2.19 Å. The Zn(1)-F(4) bond length is 2.20 Å. The Zn(1)-F(7) bond length is 2.02 Å. The Zn(1)-F(8) bond length is 2.04 Å. In the second Zn site, Zn(2) is bonded to one N(2), one N(4), one O(6), one F(2), one F(6), and one F(8) atom to form ZnN2OF3 octahedra that share  a cornercorner with one Zn(1)N2F4 octahedra,  a cornercorner with one U(1)O2F5 pentagonal bipyramid, and  a cornercorner with one U(2)O3F4 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 46°. The Zn(2)-N(2) bond length is 2.09 Å. The Zn(2)-N(4) bond length is 2.09 Å. The Zn(2)-O(6) bond length is 2.13 Å. The Zn(2)-F(2) bond length is 2.15 Å. The Zn(2)-F(6) bond length is 2.13 Å. The Zn(2)-F(8) bond length is 2.13 Å. There are twenty inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(5) atom. The C(1)-N(1) bond length is 1.35 Å. The C(1)-H(5) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(5) and one H(6) atom. The C(2)-C(5) bond length is 1.40 Å. The C(2)-H(6) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(4), one N(1), and one H(7) atom. The C(3)-C(4) bond length is 1.39 Å. The C(3)-N(1) bond length is 1.35 Å. The C(3)-H(7) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one H(8) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-H(8) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(6) atom. The C(5)-C(6) bond length is 1.48 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(5), one C(7), and one C(9) atom. The C(6)-C(7) bond length is 1.40 Å. The C(6)-C(9) bond length is 1.40 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(6) and one H(9) atom. The C(7)-H(9) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted trigonal planar geometry to one N(2) and one H(10) atom. The C(8)-N(2) bond length is 1.35 Å. The C(8)-H(10) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(10), one C(6), and one H(11) atom. The C(9)-C(10) bond length is 1.39 Å. The C(9)-H(11) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(9), one N(2), and one H(12) atom. The C(10)-N(2) bond length is 1.35 Å. The C(10)-H(12) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(13) atom. The C(11)-N(3) bond length is 1.34 Å. The C(11)-H(13) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a distorted single-bond geometry to one C(15) and one H(14) atom. The C(12)-C(15) bond length is 1.40 Å. The C(12)-H(14) bond length is 1.09 Å. In the thirteenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(15) atom. The C(13)-N(3) bond length is 1.35 Å. The C(13)-H(15) bond length is 1.09 Å. In the fourteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(15) and one H(16) atom. The C(14)-C(15) bond length is 1.40 Å. The C(14)-H(16) bond length is 1.09 Å. In the fifteenth C site, C(15) is bonded in a trigonal planar geometry to one C(12), one C(14), and one C(16) atom. The C(15)-C(16) bond length is 1.48 Å. In the sixteenth C site, C(16) is bonded in a trigonal planar geometry to one C(15), one C(17), and one C(19) atom. The C(16)-C(17) bond length is 1.40 Å. The C(16)-C(19) bond length is 1.40 Å. In the seventeenth C site, C(17) is bonded in a distorted single-bond geometry to one C(16), one C(18), and one H(17) atom. The C(17)-C(18) bond length is 1.39 Å. The C(17)-H(17) bond length is 1.09 Å. In the eighteenth C site, C(18) is bonded in a distorted trigonal planar geometry to one C(17), one N(4), and one H(18) atom. The C(18)-N(4) bond length is 1.35 Å. The C(18)-H(18) bond length is 1.09 Å. In the nineteenth C site, C(19) is bonded in a distorted single-bond geometry to one C(16), one C(20), and one H(19) atom. The C(19)-C(20) bond length is 1.39 Å. The C(19)-H(19) bond length is 1.09 Å. In the twentieth C site, C(20) is bonded in a distorted trigonal planar geometry to one C(19), one N(4), and one H(20) atom. The C(20)-N(4) bond length is 1.35 Å. The C(20)-H(20) bond length is 1.09 Å. There are four inequivalent N sites. In the first N site, N(3) is bonded in a trigonal planar geometry to one Zn(1), one C(11), and one C(13) atom. In the second N site, N(4) is bonded in a trigonal planar geometry to one Zn(2), one C(18), and one C(20) atom. In the third N site, N(1) is bonded in a trigonal planar geometry to one Zn(1), one C(1), and one C(3) atom. In the fourth N site, N(2) is bonded in a trigonal planar geometry to one Zn(2), one C(10), and one C(8) atom. There are twenty inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(5) and one F(8) atom. The H(1)-O(5) bond length is 1.00 Å. The H(1)-F(8) bond length is 1.59 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(5) atom. The H(2)-O(5) bond length is 1.00 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(6) atom. The H(3)-O(6) bond length is 0.98 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(6) atom. The H(4)-O(6) bond length is 0.99 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(1) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(2) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(3) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(4) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(7) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(8) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(9) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(10) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(11) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one C(12) atom. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one C(13) atom. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one C(14) atom. In the seventeenth H site, H(17) is bonded in a single-bond geometry to one C(17) atom. In the eighteenth H site, H(18) is bonded in a single-bond geometry to one C(18) atom. In the nineteenth H site, H(19) is bonded in a single-bond geometry to one C(19) atom. In the twentieth H site, H(20) is bonded in a single-bond geometry to one C(20) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one U(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to one U(1) atom. In the third O site, O(3) is bonded in a single-bond geometry to one U(2) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one U(2) atom. In the fifth O site, O(5) is bonded in a water-like geometry to one U(2), one H(1), and one H(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Zn(2), one H(3), and one H(4) atom. There are eight inequivalent F sites. In the first F site, F(1) is bonded in a bent 120 degrees geometry to one U(1) and one U(2) atom. In the second F site, F(2) is bonded in a bent 150 degrees geometry to one U(1) and one Zn(2) atom. In the third F site, F(3) is bonded in a water-like geometry to one U(1) and one Zn(1) atom. In the fourth F site, F(4) is bonded in a 3-coordinate geometry to one U(1), one U(2), and one Zn(1) atom. In the fifth F site, F(5) is bonded in a 1-coordinate geometry to one U(1) atom. In the sixth F site, F(6) is bonded in a bent 150 degrees geometry to one U(2) and one Zn(2) atom. In the seventh F site, F(7) is bonded in a bent 150 degrees geometry to one U(2) and one Zn(1) atom. In the eighth F site, F(8) is bonded in a distorted trigonal planar geometry to one Zn(1), one Zn(2), and one H(1) atom. Linkers: 8 c1cc(-c2ccncc2)ccn1. Metal clusters: 8 [U] ,8 [Zn]. The MOF has largest included sphere 2.63 A, density 2.48 g/cm3, surface area 2954.57 m2/g, accessible volume 0.10 cm3/g