YbC10H8(NO4)2 crystallizes in the triclinic P-1 space group. Yb(1) is bonded in a 8-coordinate geometry to one O(1), one O(3), one O(4), one O(5), one O(6), one O(8), and two equivalent O(7) atoms. The Yb(1)-O(1) bond length is 2.24 Å. The Yb(1)-O(3) bond length is 2.29 Å. The Yb(1)-O(4) bond length is 2.28 Å. The Yb(1)-O(5) bond length is 2.32 Å. The Yb(1)-O(6) bond length is 2.37 Å. The Yb(1)-O(8) bond length is 2.32 Å. There is one shorter (2.36 Å) and one longer (2.48 Å) Yb(1)-O(7) bond length. There are ten inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(6) atom. The C(1)-N(1) bond length is 1.36 Å. The C(1)-N(2) bond length is 1.33 Å. The C(1)-H(6) bond length is 1.08 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(3), one C(7), and one N(2) atom. The C(2)-C(3) bond length is 1.39 Å. The C(2)-C(7) bond length is 1.42 Å. The C(2)-N(2) bond length is 1.38 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one H(7) atom. The C(3)-C(4) bond length is 1.39 Å. The C(3)-H(7) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(8) atom. The C(4)-C(5) bond length is 1.42 Å. The C(4)-C(8) bond length is 1.50 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(4), one C(6), and one C(9) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-C(9) bond length is 1.50 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(5), one C(7), and one H(8) atom. The C(6)-C(7) bond length is 1.40 Å. The C(6)-H(8) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(2), one C(6), and one N(1) atom. The C(7)-N(1) bond length is 1.38 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(1), and one O(2) atom. The C(8)-O(1) bond length is 1.27 Å. The C(8)-O(2) bond length is 1.28 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(3), and one O(4) atom. The C(9)-O(3) bond length is 1.27 Å. The C(9)-O(4) bond length is 1.27 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(6) atom. The C(10)-O(5) bond length is 1.26 Å. The C(10)-O(6) bond length is 1.28 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one C(1), one C(7), and one H(5) atom. The N(1)-H(5) bond length is 1.02 Å. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(2), and one H(3) atom. The N(2)-H(3) bond length is 1.64 Å. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(7) atom. The H(1)-O(7) bond length is 1.00 Å. In the second H site, H(2) is bonded in a distorted bent 150 degrees geometry to one O(2) and one O(7) atom. The H(2)-O(2) bond length is 1.53 Å. The H(2)-O(7) bond length is 1.04 Å. In the third H site, H(3) is bonded in a distorted single-bond geometry to one N(2) and one O(8) atom. The H(3)-O(8) bond length is 1.03 Å. In the fourth H site, H(4) is bonded in a distorted single-bond geometry to one O(2) and one O(8) atom. The H(4)-O(2) bond length is 1.67 Å. The H(4)-O(8) bond length is 1.01 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one N(1) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(1) 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(6) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Yb(1) and one C(8) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one C(8), one H(2), and one H(4) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Yb(1) and one C(9) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Yb(1) and one C(9) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Yb(1) and one C(10) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Yb(1) and one C(10) atom. In the seventh O site, O(7) is bonded in a distorted water-like geometry to two equivalent Yb(1), one H(1), and one H(2) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Yb(1), one H(3), and one H(4) atom. Linkers: 2 [O]C(=O)c1cc2nc[nH]c2cc1C([O])=O ,1 [O]C(=O)C([O])=O. Metal clusters: 2 [Yb]. The MOF has largest included sphere 1.97 A, density 2.68 g/cm3, surface area 2273.30 m2/g, accessible volume 0.04 cm3/g