DyC6H5(NO4)2 crystallizes in the triclinic P-1 space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 8-coordinate geometry to one N(1), one O(11), one O(13), one O(15), one O(2), one O(3), one O(6), and one O(9) atom. The Dy(1)-N(1) bond length is 2.54 Å. The Dy(1)-O(11) bond length is 2.38 Å. The Dy(1)-O(13) bond length is 2.31 Å. The Dy(1)-O(15) bond length is 2.35 Å. The Dy(1)-O(2) bond length is 2.30 Å. The Dy(1)-O(3) bond length is 2.33 Å. The Dy(1)-O(6) bond length is 2.34 Å. The Dy(1)-O(9) bond length is 2.44 Å. In the second Dy site, Dy(2) is bonded in a 8-coordinate geometry to one N(2), one O(1), one O(10), one O(12), one O(14), one O(16), one O(4), and one O(5) atom. The Dy(2)-N(2) bond length is 2.54 Å. The Dy(2)-O(1) bond length is 2.30 Å. The Dy(2)-O(10) bond length is 2.44 Å. The Dy(2)-O(12) bond length is 2.38 Å. The Dy(2)-O(14) bond length is 2.31 Å. The Dy(2)-O(16) bond length is 2.35 Å. The Dy(2)-O(4) bond length is 2.33 Å. The Dy(2)-O(5) bond length is 2.33 Å. There are nine inequivalent C sites. In the first C site, C(1,2) is bonded in a trigonal planar geometry to one N(1), one N(3), and one H(1) atom. The C(1,2)-N(1) bond length is 1.37 Å. The C(1,2)-N(3) bond length is 1.37 Å. The C(1,2)-H(1) bond length is 1.09 Å. In the second C site, C(3,4) is bonded in a distorted single-bond geometry to one N(1) atom. The C(3,4)-N(1) bond length is 1.33 Å. In the third C site, C(5,6) is bonded in a distorted single-bond geometry to one N(3) atom. The C(5,6)-N(3) bond length is 1.33 Å. In the fourth C site, C(7) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(7) atom. The C(7)-O(5) bond length is 1.27 Å. The C(7)-O(7) bond length is 1.27 Å. In the fifth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one O(6) and one O(8) atom. The C(8)-O(6) bond length is 1.27 Å. The C(8)-O(8) bond length is 1.27 Å. In the sixth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(3) atom. The C(9)-O(1) bond length is 1.26 Å. The C(9)-O(3) bond length is 1.28 Å. In the seventh C site, C(10) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(4) atom. The C(10)-O(2) bond length is 1.26 Å. The C(10)-O(4) bond length is 1.28 Å. In the eighth C site, C(11) is bonded in a distorted bent 120 degrees geometry to one O(11) and one O(9) atom. The C(11)-O(11) bond length is 1.28 Å. The C(11)-O(9) bond length is 1.26 Å. In the ninth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one O(10) and one O(12) atom. The C(12)-O(10) bond length is 1.26 Å. The C(12)-O(12) bond length is 1.28 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a distorted water-like geometry to one Dy(1); one C(1,2); and one C(3,4) atom. In the second N site, N(2) is bonded in a distorted water-like geometry to one Dy(2); one C(1,2); and one C(3,4) atom. The N(2)-C(1,2) bond length is 1.37 Å. The N(2)-C(3,4) bond length is 1.33 Å. In the third N site, N(3) is bonded in a water-like geometry to one C(1,2) and one C(5,6) atom. In the fourth N site, N(4) is bonded in a water-like geometry to one C(1,2) and one C(5,6) atom. The N(4)-C(1,2) bond length is 1.37 Å. The N(4)-C(5,6) bond length is 1.33 Å. There are nine inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1,2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(1,2) atom. The H(2)-C(1,2) bond length is 1.09 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(13) and one O(7) atom. The H(3)-O(13) bond length is 0.99 Å. The H(3)-O(7) bond length is 1.74 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(14) and one O(8) atom. The H(4)-O(14) bond length is 0.99 Å. The H(4)-O(8) bond length is 1.74 Å. In the fifth H site, H(5) is bonded in a distorted single-bond geometry to one O(12) and one O(13) atom. The H(5)-O(12) bond length is 1.65 Å. The H(5)-O(13) bond length is 1.00 Å. In the sixth H site, H(6) is bonded in a distorted single-bond geometry to one O(11) and one O(14) atom. The H(6)-O(11) bond length is 1.65 Å. The H(6)-O(14) bond length is 1.00 Å. In the seventh H site, H(7) is bonded in a distorted linear geometry to one O(15) and one O(7) atom. The H(7)-O(15) bond length is 1.00 Å. The H(7)-O(7) bond length is 1.64 Å. In the eighth H site, H(8) is bonded in a distorted linear geometry to one O(16) and one O(8) atom. The H(8)-O(16) bond length is 1.00 Å. The H(8)-O(8) bond length is 1.64 Å. In the ninth H site, H(9,10) is bonded in a single-bond geometry to one O(15) atom. The H(9,10)-O(15) bond length is 0.97 Å. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Dy(2) and one C(9) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Dy(1) and one C(10) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Dy(1) and one C(9) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Dy(2) and one C(10) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Dy(2) and one C(7) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Dy(1) and one C(8) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one C(7), one H(3), and one H(7) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one C(8), one H(4), and one H(8) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Dy(1) and one C(11) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Dy(2) and one C(12) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Dy(1), one C(11), and one H(6) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Dy(2), one C(12), and one H(5) atom. In the thirteenth O site, O(13) is bonded in a distorted water-like geometry to one Dy(1), one H(3), and one H(5) atom. In the fourteenth O site, O(14) is bonded in a distorted water-like geometry to one Dy(2), one H(4), and one H(6) atom. In the fifteenth O site, O(15) is bonded in a distorted water-like geometry to one Dy(1); one H(7); and one H(9,10) atom. In the sixteenth O site, O(16) is bonded in a distorted water-like geometry to one Dy(2); one H(8); and one H(9,10) atom. The O(16)-H(9,10) bond length is 0.97 Å. Linkers: 4 [O]C(=O)C1=C(C([O])=O)N=C[N]1 ,1 [O]C(=O)C([O])=O. Metal clusters: 4 [Dy]. The MOF has largest included sphere 2.57 A, density 2.64 g/cm3, surface area 2333.39 m2/g, accessible volume 0.07 cm3/g