Yb2Ru3H6(C4N3)6 crystallizes in the monoclinic P2_1/m space group. Yb(1) is bonded in a 4-coordinate geometry to one N(4), one N(5), one N(6), and one N(8) atom. The Yb(1)-N(4) bond length is 2.42 Å. The Yb(1)-N(5) bond length is 2.41 Å. The Yb(1)-N(6) bond length is 2.40 Å. The Yb(1)-N(8) bond length is 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(3) atom. The Ru(1)-C(10) bond length is 2.03 Å. The Ru(1)-C(7) bond length is 2.01 Å. The Ru(1)-C(8) bond length is 1.97 Å. The Ru(1)-C(9) bond length is 1.99 Å. The Ru(1)-N(1) bond length is 2.12 Å. The Ru(1)-N(3) bond length is 2.11 Å. In the second Ru site, Ru(2) is bonded in an octahedral geometry to one C(12), one C(13), two equivalent C(11), and two equivalent N(2) atoms. The Ru(2)-C(12) bond length is 2.00 Å. The Ru(2)-C(13) bond length is 2.00 Å. Both Ru(2)-C(11) bond lengths are 1.99 Å. Both Ru(2)-N(2) bond lengths are 2.13 Å. There are thirteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one C(6), and one N(1) atom. The C(1)-C(2) bond length is 1.39 Å. The C(1)-C(6) bond length is 1.43 Å. The C(1)-N(1) bond length is 1.36 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1) and one N(2) atom. The C(2)-N(2) bond length is 1.37 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(1) atom. The C(3)-N(2) bond length is 1.31 Å. The C(3)-H(1) bond length is 0.93 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(2) atom. The C(4)-N(1) bond length is 1.34 Å. The C(4)-H(2) bond length is 0.93 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(5), one N(3), and one H(3) atom. The C(5)-C(5) bond length is 1.40 Å. The C(5)-N(3) bond length is 1.34 Å. The C(5)-H(3) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(1) and one N(3) atom. The C(6)-N(3) bond length is 1.34 Å. In the seventh C site, C(7) is bonded in a linear geometry to one Ru(1) and one N(4) atom. The C(7)-N(4) bond length is 1.17 Å. In the eighth C site, C(8) is bonded in a linear geometry to one Ru(1) and one N(5) atom. The C(8)-N(5) bond length is 1.17 Å. In the ninth C site, C(9) is bonded in a linear geometry to one Ru(1) and one N(6) atom. The C(9)-N(6) bond length is 1.15 Å. In the tenth C site, C(10) is bonded in a linear geometry to one Ru(1) and one N(7) atom. The C(10)-N(7) bond length is 1.15 Å. In the eleventh C site, C(11) is bonded in a linear geometry to one Ru(2) and one N(8) atom. The C(11)-N(8) bond length is 1.15 Å. In the twelfth C site, C(12) is bonded in a linear geometry to one Ru(2) and one N(9) atom. The C(12)-N(9) bond length is 1.15 Å. In the thirteenth C site, C(13) is bonded in a linear geometry to one Ru(2) and one N(10) atom. The C(13)-N(10) bond length is 1.18 Å. There are ten inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Ru(1), one C(1), and one C(4) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Ru(2), one C(2), and one C(3) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Ru(1), one C(5), and one C(6) atom. In the fourth N site, N(4) is bonded in a bent 150 degrees geometry to one Yb(1) and one C(7) atom. In the fifth N site, N(5) is bonded in a linear geometry to one Yb(1) and one C(8) atom. In the sixth N site, N(6) is bonded in a bent 150 degrees geometry to one Yb(1) and one C(9) atom. In the seventh N site, N(7) is bonded in a single-bond geometry to one C(10) atom. In the eighth N site, N(8) is bonded in a linear geometry to one Yb(1) and one C(11) atom. In the ninth N site, N(9) is bonded in a single-bond geometry to one C(12) atom. In the tenth N site, N(10) is bonded in a single-bond geometry to one C(13) atom. There are three inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. Linkers: 2 c1cnc2c(n1)c1nccnc1c1nccnc21. Metal clusters: 4 [Yb] ,6 [Ru]. The MOF has largest included sphere 4.60 A, density 1.68 g/cm3, surface area 2834.03 m2/g, accessible volume 0.31 cm3/g