Yb3Ru4C28H8(N3O)8(CH)4 crystallizes in the orthorhombic Aea2 space group. The structure consists of sixteen 02329_fluka molecules inside a Yb3Ru4C28H8(N3O)8 framework. In the Yb3Ru4C28H8(N3O)8 framework, there are two inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 8-coordinate geometry to one N(10), one N(11), one N(5), one N(6), one O(1), one O(2), one O(3), and one O(4) atom. The Yb(1)-N(10) bond length is 2.36 Å. The Yb(1)-N(11) bond length is 2.36 Å. The Yb(1)-N(5) bond length is 2.39 Å. The Yb(1)-N(6) bond length is 2.37 Å. The Yb(1)-O(1) bond length is 2.27 Å. The Yb(1)-O(2) bond length is 2.45 Å. The Yb(1)-O(3) bond length is 2.38 Å. The Yb(1)-O(4) bond length is 2.32 Å. In the second Yb site, Yb(2) is bonded in a bent 120 degrees geometry to two equivalent N(4) atoms. Both Yb(2)-N(4) bond lengths are 2.40 Å. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded in an octahedral geometry to one C(10), one C(7), one C(8), one C(9), one N(1), and one N(2) atom. The Ru(1)-C(10) bond length is 2.03 Å. The Ru(1)-C(7) bond length is 2.04 Å. The Ru(1)-C(8) bond length is 1.98 Å. The Ru(1)-C(9) bond length is 1.97 Å. The Ru(1)-N(1) bond length is 2.12 Å. The Ru(1)-N(2) bond length is 2.13 Å. In the second Ru site, Ru(2) is bonded in an octahedral geometry to one C(13), one C(14), one C(15), one C(16), one N(7), and one N(8) atom. The Ru(2)-C(13) bond length is 2.03 Å. The Ru(2)-C(14) bond length is 1.97 Å. The Ru(2)-C(15) bond length is 1.99 Å. The Ru(2)-C(16) bond length is 2.05 Å. The Ru(2)-N(7) bond length is 2.13 Å. The Ru(2)-N(8) bond length is 2.11 Å. There are fourteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(4), one N(1), and one N(7) atom. The C(1)-C(4) bond length is 1.48 Å. The C(1)-N(1) bond length is 1.33 Å. The C(1)-N(7) bond length is 1.34 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(1) atom. The C(2)-N(1) bond length is 1.35 Å. The C(2)-H(1) bond length is 0.95 Å. In the third C site, C(4) is bonded in a distorted trigonal planar geometry to one C(1), one N(2), and one N(8) atom. The C(4)-N(2) bond length is 1.34 Å. The C(4)-N(8) bond length is 1.34 Å. In the fourth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(3) atom. The C(5)-N(2) bond length is 1.33 Å. The C(5)-H(3) bond length is 0.95 Å. In the fifth C site, C(7) is bonded in a linear geometry to one Ru(1) and one N(3) atom. The C(7)-N(3) bond length is 1.15 Å. In the sixth C site, C(8) is bonded in a linear geometry to one Ru(1) and one N(4) atom. The C(8)-N(4) bond length is 1.15 Å. In the seventh C site, C(9) is bonded in a linear geometry to one Ru(1) and one N(5) atom. The C(9)-N(5) bond length is 1.16 Å. In the eighth C site, C(10) is bonded in a linear geometry to one Ru(1) and one N(6) atom. The C(10)-N(6) bond length is 1.15 Å. In the ninth C site, C(11) is bonded in a distorted bent 120 degrees geometry to one N(7) and one H(5) atom. The C(11)-N(7) bond length is 1.36 Å. The C(11)-H(5) bond length is 0.95 Å. In the tenth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one N(8) and one H(6) atom. The C(12)-N(8) bond length is 1.35 Å. The C(12)-H(6) bond length is 0.95 Å. In the eleventh C site, C(13) is bonded in a linear geometry to one Ru(2) and one N(9) atom. The C(13)-N(9) bond length is 1.15 Å. In the twelfth C site, C(14) is bonded in a linear geometry to one Ru(2) and one N(10) atom. The C(14)-N(10) bond length is 1.17 Å. In the thirteenth C site, C(15) is bonded in a linear geometry to one Ru(2) and one N(11) atom. The C(15)-N(11) bond length is 1.14 Å. In the fourteenth C site, C(16) is bonded in a linear geometry to one Ru(2) and one N(12) atom. The C(16)-N(12) bond length is 1.14 Å. There are twelve inequivalent N sites. In the first N site, N(3) is bonded in a single-bond geometry to one C(7) atom. In the second N site, N(4) is bonded in a linear geometry to one Yb(2) and one C(8) atom. In the third N site, N(5) is bonded in a linear geometry to one Yb(1) and one C(9) atom. In the fourth N site, N(6) is bonded in a bent 150 degrees geometry to one Yb(1) and one C(10) atom. In the fifth N site, N(7) is bonded in a trigonal planar geometry to one Ru(2), one C(1), and one C(11) atom. In the sixth N site, N(1) is bonded in a trigonal planar geometry to one Ru(1), one C(1), and one C(2) atom. In the seventh N site, N(2) is bonded in a trigonal planar geometry to one Ru(1), one C(4), and one C(5) atom. In the eighth N site, N(8) is bonded in a trigonal planar geometry to one Ru(2), one C(12), and one C(4) atom. In the ninth N site, N(9) is bonded in a single-bond geometry to one C(13) atom. In the tenth N site, N(10) is bonded in a linear geometry to one Yb(1) and one C(14) atom. In the eleventh N site, N(11) is bonded in a linear geometry to one Yb(1) and one C(15) atom. In the twelfth N site, N(12) is bonded in a single-bond geometry to one C(16) atom. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the third H site, H(5) is bonded in a single-bond geometry to one C(11) atom. In the fourth H site, H(6) is bonded in a single-bond geometry to one C(12) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Yb(1), one O(2), and one O(4) atom. The O(1)-O(2) bond length is 0.90 Å. The O(1)-O(4) bond length is 1.89 Å. In the second O site, O(2) is bonded in a 2-coordinate geometry to one Yb(1) and one O(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Yb(1) and one O(4) atom. The O(3)-O(4) bond length is 1.31 Å. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Yb(1), one O(1), and one O(3) atom. Linkers: 8 c1cnc(-c2ncccn2)nc1. Metal clusters: 12 [Yb] ,16 [Ru]. The MOF has largest included sphere 5.25 A, density 1.60 g/cm3, surface area 2842.70 m2/g, accessible volume 0.29 cm3/g