CuH10(C11O2)2 crystallizes in the cubic Pm-3 space group. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted rectangular see-saw-like geometry to four equivalent O(1) atoms. All Cu(1)-O(1) bond lengths are 1.97 Å. In the second Cu site, Cu(2) is bonded in a distorted rectangular see-saw-like geometry to four equivalent O(2) atoms. All Cu(2)-O(2) bond lengths are 1.95 Å. There are eleven inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to two equivalent C(3) and one H(2) atom. There is one shorter (1.34 Å) and one longer (1.45 Å) C(1)-C(3) bond length. The C(1)-H(2) bond length is 0.94 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(10), one O(1), and one O(2) atom. The C(2)-C(10) bond length is 1.53 Å. The C(2)-O(1) bond length is 1.27 Å. The C(2)-O(2) bond length is 1.32 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(6) and two equivalent C(1) atoms. The C(3)-C(6) bond length is 1.32 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(5), one C(8), and one C(9) atom. The C(4)-C(5) bond length is 1.39 Å. The C(4)-C(8) bond length is 1.55 Å. The C(4)-C(9) bond length is 1.39 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one C(7), and one H(5) atom. The C(5)-C(7) bond length is 1.39 Å. The C(5)-H(5) bond length is 0.94 Å. In the sixth C site, C(6) is bonded in a linear geometry to one C(3) and one C(8) atom. The C(6)-C(8) bond length is 1.17 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(10), one C(5), and one H(3) atom. The C(7)-C(10) bond length is 1.39 Å. The C(7)-H(3) bond length is 0.94 Å. In the eighth C site, C(8) is bonded in a linear geometry to one C(4) and one C(6) atom. In the ninth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(11), one C(4), and one H(1) atom. The C(9)-C(11) bond length is 1.39 Å. The C(9)-H(1) bond length is 0.94 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(2), and one C(7) atom. The C(10)-C(11) bond length is 1.39 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(10), one C(9), and one H(4) atom. The C(11)-H(4) bond length is 0.94 Å. There are five inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(9) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(1) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(11) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(5) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Cu(1) and one C(2) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Cu(2) and one C(2) atom. Linkers: 8 [O]C(=O)c1ccc(C#Cc2cc(C#Cc3ccc(C([O])=O)cc3)cc(C#Cc3ccc(C([O])=O)cc3)c2)cc1. Metal clusters: 6 [C]1O[Cu]234O[C]O[Cu]2(O1)(O[C]O3)O[C]O4. RCSR code: pto. The MOF has largest included sphere 29.98 A, density 0.20 g/cm3, surface area 4916.02 m2/g, accessible volume 4.60 cm3/g