Ag20C38N11H17O19(CF2)5(CF3)5 crystallizes in the monoclinic P2_1/c space group. The structure consists of twenty difluoromethane molecules and twenty trifluoromethane molecules inside a Ag20C38N11H17O19 framework. In the Ag20C38N11H17O19 framework, there are twenty inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a distorted bent 150 degrees geometry to one C(1) and one O(6) atom. The Ag(1)-C(1) bond length is 2.18 Å. The Ag(1)-O(6) bond length is 2.36 Å. In the second Ag site, Ag(2) is bonded in a 4-coordinate geometry to one C(1), one C(2), one N(4), and one O(4) atom. The Ag(2)-C(1) bond length is 2.39 Å. The Ag(2)-C(2) bond length is 2.45 Å. The Ag(2)-N(4) bond length is 2.30 Å. The Ag(2)-O(4) bond length is 2.34 Å. In the third Ag site, Ag(3) is bonded in a 3-coordinate geometry to one C(2), one N(2), and one O(14) atom. The Ag(3)-C(2) bond length is 2.31 Å. The Ag(3)-N(2) bond length is 2.32 Å. The Ag(3)-O(14) bond length is 2.38 Å. In the fourth Ag site, Ag(4) is bonded in a distorted T-shaped geometry to one C(1), one C(8), and one O(13) atom. The Ag(4)-C(1) bond length is 2.20 Å. The Ag(4)-C(8) bond length is 2.12 Å. The Ag(4)-O(13) bond length is 2.51 Å. In the fifth Ag site, Ag(5) is bonded in a 4-coordinate geometry to one C(1), one C(3), one O(1), and one O(5) atom. The Ag(5)-C(1) bond length is 2.42 Å. The Ag(5)-C(3) bond length is 2.35 Å. The Ag(5)-O(1) bond length is 2.39 Å. The Ag(5)-O(5) bond length is 2.41 Å. In the sixth Ag site, Ag(6) is bonded in a 4-coordinate geometry to one C(2), one C(5), one O(12), and one O(3) atom. The Ag(6)-C(2) bond length is 2.34 Å. The Ag(6)-C(5) bond length is 2.48 Å. The Ag(6)-O(12) bond length is 2.43 Å. The Ag(6)-O(3) bond length is 2.39 Å. In the seventh Ag site, Ag(7) is bonded in a bent 150 degrees geometry to one C(2) and one O(10) atom. The Ag(7)-C(2) bond length is 2.17 Å. The Ag(7)-O(10) bond length is 2.19 Å. In the eighth Ag site, Ag(8) is bonded in a 2-coordinate geometry to one C(3) and one C(8) atom. The Ag(8)-C(3) bond length is 2.55 Å. The Ag(8)-C(8) bond length is 2.37 Å. In the ninth Ag site, Ag(9) is bonded in a distorted trigonal pyramidal geometry to one C(3), one N(6), one O(16), and one O(2) atom. The Ag(9)-C(3) bond length is 2.36 Å. The Ag(9)-N(6) bond length is 2.33 Å. The Ag(9)-O(16) bond length is 2.39 Å. The Ag(9)-O(2) bond length is 2.36 Å. In the tenth Ag site, Ag(10) is bonded in a T-shaped geometry to one C(4), one C(5), and one O(15) atom. The Ag(10)-C(4) bond length is 2.21 Å. The Ag(10)-C(5) bond length is 2.15 Å. The Ag(10)-O(15) bond length is 2.62 Å. In the eleventh Ag site, Ag(11) is bonded in a 3-coordinate geometry to one C(4), one O(8), and one O(9) atom. The Ag(11)-C(4) bond length is 2.13 Å. The Ag(11)-O(8) bond length is 2.35 Å. The Ag(11)-O(9) bond length is 2.30 Å. In the twelfth Ag site, Ag(12) is bonded in a 5-coordinate geometry to one C(3), one C(4), one N(8), one O(16), and one O(7) atom. The Ag(12)-C(3) bond length is 2.39 Å. The Ag(12)-C(4) bond length is 2.44 Å. The Ag(12)-N(8) bond length is 2.35 Å. The Ag(12)-O(16) bond length is 2.81 Å. The Ag(12)-O(7) bond length is 2.31 Å. In the thirteenth Ag site, Ag(13) is bonded in a 3-coordinate geometry to one C(3), one O(17), and one O(18) atom. The Ag(13)-C(3) bond length is 2.14 Å. The Ag(13)-O(17) bond length is 2.54 Å. The Ag(13)-O(18) bond length is 2.30 Å. In the fourteenth Ag site, Ag(14) is bonded in a 4-coordinate geometry to one C(5), one C(6), one N(7), and one O(17) atom. The Ag(14)-C(5) bond length is 2.37 Å. The Ag(14)-C(6) bond length is 2.39 Å. The Ag(14)-N(7) bond length is 2.25 Å. The Ag(14)-O(17) bond length is 2.49 Å. In the fifteenth Ag site, Ag(15) is bonded in a 4-coordinate geometry to one C(5), one C(6), one C(7), one C(8), and one O(11) atom. The Ag(15)-C(5) bond length is 2.27 Å. The Ag(15)-C(6) bond length is 2.59 Å. The Ag(15)-C(7) bond length is 2.38 Å. The Ag(15)-C(8) bond length is 2.36 Å. The Ag(15)-O(11) bond length is 2.62 Å. In the sixteenth Ag site, Ag(16) is bonded in a distorted T-shaped geometry to one C(6), one N(10), and one O(6) atom. The Ag(16)-C(6) bond length is 2.13 Å. The Ag(16)-N(10) bond length is 2.24 Å. The Ag(16)-O(6) bond length is 2.60 Å. In the seventeenth Ag site, Ag(17) is bonded in a 3-coordinate geometry to one C(6), one N(3), and one O(13) atom. The Ag(17)-C(6) bond length is 2.15 Å. The Ag(17)-N(3) bond length is 2.24 Å. The Ag(17)-O(13) bond length is 2.44 Å. In the eighteenth Ag site, Ag(18) is bonded in a 3-coordinate geometry to one C(8), one N(1), and one O(11) atom. The Ag(18)-C(8) bond length is 2.23 Å. The Ag(18)-N(1) bond length is 2.25 Å. The Ag(18)-O(11) bond length is 2.54 Å. In the nineteenth Ag site, Ag(19) is bonded in a 4-coordinate geometry to one C(7), one N(9), one O(19), and one O(9) atom. The Ag(19)-C(7) bond length is 2.15 Å. The Ag(19)-N(9) bond length is 2.31 Å. The Ag(19)-O(19) bond length is 2.45 Å. The Ag(19)-O(9) bond length is 2.71 Å. In the twentieth Ag site, Ag(20) is bonded in a 3-coordinate geometry to one C(7), one N(5), and one O(15) atom. The Ag(20)-C(7) bond length is 2.13 Å. The Ag(20)-N(5) bond length is 2.26 Å. The Ag(20)-O(15) bond length is 2.51 Å. There are thirty-eight inequivalent C sites. In the first C site, C(1) is bonded in a 5-coordinate geometry to one Ag(1), one Ag(2), one Ag(4), one Ag(5), and one C(2) atom. The C(1)-C(2) bond length is 1.19 Å. In the second C site, C(2) is bonded in a 5-coordinate geometry to one Ag(2), one Ag(3), one Ag(6), one Ag(7), and one C(1) atom. In the third C site, C(3) is bonded to one Ag(12), one Ag(13), one Ag(5), one Ag(8), one Ag(9), and one C(4) atom to form distorted corner-sharing CAg5C octahedra. The C(3)-C(4) bond length is 1.19 Å. In the fourth C site, C(4) is bonded in a 3-coordinate geometry to one Ag(10), one Ag(11), one Ag(12), and one C(3) atom. In the fifth C site, C(5) is bonded to one Ag(10), one Ag(14), one Ag(15), one Ag(6), and one C(6) atom to form distorted corner-sharing CAg4C square pyramids. The C(5)-C(6) bond length is 1.22 Å. In the sixth C site, C(6) is bonded in a 5-coordinate geometry to one Ag(14), one Ag(15), one Ag(16), one Ag(17), and one C(5) atom. In the seventh C site, C(7) is bonded in a 4-coordinate geometry to one Ag(15), one Ag(19), one Ag(20), and one C(8) atom. The C(7)-C(8) bond length is 1.20 Å. In the eighth C site, C(8) is bonded to one Ag(15), one Ag(18), one Ag(4), one Ag(8), and one C(7) atom to form distorted CAg4C trigonal bipyramids that share  a cornercorner with one C(3)Ag5C octahedra and  a cornercorner with one C(5)Ag4C square pyramid. The corner-sharing octahedral tilt angles are 58°. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. The C(9)-O(1) bond length is 1.27 Å. The C(9)-O(2) bond length is 1.19 Å. In the tenth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(12)-O(3) bond length is 1.22 Å. The C(12)-O(4) bond length is 1.27 Å. In the eleventh C site, C(15) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(6) atom. The C(15)-O(5) bond length is 1.26 Å. The C(15)-O(6) bond length is 1.24 Å. In the twelfth C site, C(18) is bonded in a distorted trigonal planar geometry to one O(7) and one O(8) atom. The C(18)-O(7) bond length is 1.26 Å. The C(18)-O(8) bond length is 1.24 Å. In the thirteenth C site, C(21) is bonded in a distorted bent 120 degrees geometry to one O(10) and one O(9) atom. The C(21)-O(10) bond length is 1.23 Å. The C(21)-O(9) bond length is 1.26 Å. In the fourteenth C site, C(24) is bonded in a distorted bent 120 degrees geometry to one O(11) and one O(12) atom. The C(24)-O(11) bond length is 1.22 Å. The C(24)-O(12) bond length is 1.26 Å. In the fifteenth C site, C(25) is bonded in a distorted single-bond geometry to one C(26) and one N(1) atom. The C(25)-C(26) bond length is 1.38 Å. The C(25)-N(1) bond length is 1.30 Å. In the sixteenth C site, C(26) is bonded in a distorted trigonal planar geometry to one C(25), one N(2), and one H(1) atom. The C(26)-N(2) bond length is 1.33 Å. The C(26)-H(1) bond length is 0.93 Å. In the seventeenth C site, C(27) is bonded in a distorted trigonal planar geometry to one C(28), one N(2), and one H(2) atom. The C(27)-C(28) bond length is 1.37 Å. The C(27)-N(2) bond length is 1.30 Å. The C(27)-H(2) bond length is 0.93 Å. In the eighteenth C site, C(28) is bonded in a distorted bent 120 degrees geometry to one C(27), one N(1), and one H(3) atom. The C(28)-N(1) bond length is 1.35 Å. The C(28)-H(3) bond length is 0.93 Å. In the nineteenth C site, C(29) is bonded in a distorted bent 120 degrees geometry to one C(30), one O(13), and one O(14) atom. The C(29)-C(30) bond length is 1.50 Å. The C(29)-O(13) bond length is 1.28 Å. The C(29)-O(14) bond length is 1.22 Å. In the twentieth C site, C(30) is bonded in a distorted trigonal planar geometry to one C(29), one C(31), and one N(3) atom. The C(30)-C(31) bond length is 1.38 Å. The C(30)-N(3) bond length is 1.34 Å. In the twenty-first C site, C(31) is bonded in a distorted bent 120 degrees geometry to one C(30), one N(4), and one H(4) atom. The C(31)-N(4) bond length is 1.32 Å. The C(31)-H(4) bond length is 0.93 Å. In the twenty-second C site, C(32) is bonded in a distorted bent 120 degrees geometry to one C(33), one N(4), and one H(5) atom. The C(32)-C(33) bond length is 1.35 Å. The C(32)-N(4) bond length is 1.37 Å. The C(32)-H(5) bond length is 0.93 Å. In the twenty-third C site, C(33) is bonded in a distorted trigonal planar geometry to one C(32), one N(3), and one H(6) atom. The C(33)-N(3) bond length is 1.33 Å. The C(33)-H(6) bond length is 0.93 Å. In the twenty-fourth C site, C(34) is bonded in a distorted bent 120 degrees geometry to one C(35), one O(15), and one O(16) atom. The C(34)-C(35) bond length is 1.51 Å. The C(34)-O(15) bond length is 1.29 Å. The C(34)-O(16) bond length is 1.24 Å. In the twenty-fifth C site, C(35) is bonded in a distorted trigonal planar geometry to one C(34), one C(36), and one N(5) atom. The C(35)-C(36) bond length is 1.37 Å. The C(35)-N(5) bond length is 1.33 Å. In the twenty-sixth C site, C(36) is bonded in a distorted bent 120 degrees geometry to one C(35), one N(6), and one H(7) atom. The C(36)-N(6) bond length is 1.33 Å. The C(36)-H(7) bond length is 0.93 Å. In the twenty-seventh C site, C(37) is bonded in a distorted bent 120 degrees geometry to one N(6) and one H(8) atom. The C(37)-N(6) bond length is 1.33 Å. The C(37)-H(8) bond length is 0.93 Å. In the twenty-eighth C site, C(38) is bonded in a distorted bent 120 degrees geometry to one N(5) and one H(9) atom. The C(38)-N(5) bond length is 1.32 Å. The C(38)-H(9) bond length is 0.93 Å. In the twenty-ninth C site, C(39) is bonded in a distorted bent 120 degrees geometry to one C(40), one O(17), and one O(18) atom. The C(39)-C(40) bond length is 1.52 Å. The C(39)-O(17) bond length is 1.26 Å. The C(39)-O(18) bond length is 1.21 Å. In the thirtieth C site, C(40) is bonded in a distorted trigonal planar geometry to one C(39), one C(41), and one N(7) atom. The C(40)-C(41) bond length is 1.36 Å. The C(40)-N(7) bond length is 1.33 Å. In the thirty-first C site, C(41) is bonded in a distorted trigonal planar geometry to one C(40), one N(8), and one H(10) atom. The C(41)-N(8) bond length is 1.35 Å. The C(41)-H(10) bond length is 0.93 Å. In the thirty-second C site, C(42) is bonded in a distorted trigonal planar geometry to one C(43), one N(8), and one H(11) atom. The C(42)-C(43) bond length is 1.36 Å. The C(42)-N(8) bond length is 1.35 Å. The C(42)-H(11) bond length is 0.93 Å. In the thirty-third C site, C(43) is bonded in a distorted bent 120 degrees geometry to one C(42), one N(7), and one H(12) atom. The C(43)-N(7) bond length is 1.32 Å. The C(43)-H(12) bond length is 0.93 Å. In the thirty-fourth C site, C(44) is bonded in a distorted trigonal planar geometry to one C(45), one N(11), and one O(19) atom. The C(44)-C(45) bond length is 1.54 Å. The C(44)-N(11) bond length is 1.33 Å. The C(44)-O(19) bond length is 1.21 Å. In the thirty-fifth C site, C(45) is bonded in a distorted single-bond geometry to one C(44) and one N(9) atom. The C(45)-N(9) bond length is 1.31 Å. In the thirty-sixth C site, C(46) is bonded in a distorted bent 120 degrees geometry to one N(10) and one H(15) atom. The C(46)-N(10) bond length is 1.34 Å. The C(46)-H(15) bond length is 0.93 Å. In the thirty-seventh C site, C(47) is bonded in a distorted trigonal planar geometry to one C(48), one N(10), and one H(16) atom. The C(47)-C(48) bond length is 1.39 Å. The C(47)-N(10) bond length is 1.31 Å. The C(47)-H(16) bond length is 0.93 Å. In the thirty-eighth C site, C(48) is bonded in a distorted bent 120 degrees geometry to one C(47), one N(9), and one H(17) atom. The C(48)-N(9) bond length is 1.32 Å. The C(48)-H(17) bond length is 0.93 Å. There are eleven inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Ag(18), one C(25), and one C(28) atom. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one Ag(3), one C(26), and one C(27) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Ag(17), one C(30), and one C(33) atom. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one Ag(2), one C(31), and one C(32) atom. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one Ag(20), one C(35), and one C(38) atom. In the sixth N site, N(6) is bonded in a distorted trigonal planar geometry to one Ag(9), one C(36), and one C(37) atom. In the seventh N site, N(7) is bonded in a trigonal planar geometry to one Ag(14), one C(40), and one C(43) atom. In the eighth N site, N(8) is bonded in a distorted trigonal planar geometry to one Ag(12), one C(41), and one C(42) atom. In the ninth N site, N(9) is bonded in a trigonal planar geometry to one Ag(19), one C(45), and one C(48) atom. In the tenth N site, N(10) is bonded in a trigonal planar geometry to one Ag(16), one C(46), and one C(47) atom. In the eleventh N site, N(11) is bonded in a trigonal planar geometry to one C(44), one H(13), and one H(14) atom. The N(11)-H(13) bond length is 0.86 Å. The N(11)-H(14) bond length is 0.86 Å. There are seventeen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(26) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(27) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(28) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(31) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(32) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(33) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(36) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(37) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(38) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(41) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(42) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(43) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one N(11) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one N(11) atom. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one C(46) atom. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one C(47) atom. In the seventeenth H site, H(17) is bonded in a single-bond geometry to one C(48) atom. There are nineteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Ag(5) and one C(9) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Ag(9) and one C(9) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Ag(6) and one C(12) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Ag(2) and one C(12) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Ag(5) and one C(15) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Ag(1), one Ag(16), and one C(15) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Ag(12) and one C(18) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Ag(11) and one C(18) atom. In the ninth O site, O(9) is bonded in a 1-coordinate geometry to one Ag(11), one Ag(19), and one C(21) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Ag(7) and one C(21) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Ag(15), one Ag(18), and one C(24) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one Ag(6) and one C(24) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one Ag(17), one Ag(4), and one C(29) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 120 degrees geometry to one Ag(3) and one C(29) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one Ag(10), one Ag(20), and one C(34) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one Ag(12), one Ag(9), and one C(34) atom. In the seventeenth O site, O(17) is bonded in a distorted single-bond geometry to one Ag(13), one Ag(14), and one C(39) atom. In the eighteenth O site, O(18) is bonded in a distorted single-bond geometry to one Ag(13) and one C(39) atom. In the nineteenth O site, O(19) is bonded in a bent 120 degrees geometry to one Ag(19) and one C(44) atom. Linkers: 4 NC(=O)c1cnccn1 ,16 [O]C(=O)c1cnccn1. Metal clusters: 80 [Ag]. The MOF has largest included sphere 5.26 A, density 2.74 g/cm3, surface area 2136.63 m2/g, accessible volume 0.13 cm3/g