RbC8N2H4(O2Cl)2 crystallizes in the orthorhombic P2_12_12 space group. Rb(1) is bonded in a 7-coordinate geometry to one N(1), one N(2), one O(1), one O(2), one O(3), and two equivalent O(4) atoms. The Rb(1)-N(1) bond length is 3.29 Å. The Rb(1)-N(2) bond length is 3.25 Å. The Rb(1)-O(1) bond length is 3.09 Å. The Rb(1)-O(2) bond length is 3.06 Å. The Rb(1)-O(3) bond length is 2.94 Å. There is one shorter (2.92 Å) and one longer (3.01 Å) Rb(1)-O(4) bond length. There are eight inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(2), one C(6), and one O(1) atom. The C(1)-C(2) bond length is 1.46 Å. The C(1)-C(6) bond length is 1.47 Å. The C(1)-O(1) bond length is 1.26 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(7) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-C(7) bond length is 1.42 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(8) atom. The C(3)-C(4) bond length is 1.46 Å. The C(3)-C(8) bond length is 1.41 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one O(2) atom. The C(4)-C(5) bond length is 1.47 Å. The C(4)-O(2) bond length is 1.26 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(4), one C(6), and one Cl(1) atom. The C(5)-C(6) bond length is 1.38 Å. The C(5)-Cl(1) bond length is 1.70 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(1), one C(5), and one Cl(2) atom. The C(6)-Cl(2) bond length is 1.70 Å. In the seventh C site, C(7) is bonded in a distorted linear geometry to one C(2) and one N(1) atom. The C(7)-N(1) bond length is 1.17 Å. In the eighth C site, C(8) is bonded in a distorted linear geometry to one C(3) and one N(2) atom. The C(8)-N(2) bond length is 1.17 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a single-bond geometry to one Rb(1) and one C(7) atom. In the second N site, N(2) is bonded in a single-bond geometry to one Rb(1) and one C(8) atom. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(3) atom. The H(1)-O(3) bond length is 0.99 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(3) atom. The H(2)-O(3) bond length is 0.99 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(4) atom. The H(3)-O(4) bond length is 1.00 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(4) atom. The H(4)-O(4) bond length is 0.98 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one Rb(1) and one C(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to one Rb(1) and one C(4) atom. In the third O site, O(3) is bonded in a water-like geometry to one Rb(1), one H(1), and one H(2) atom. In the fourth O site, O(4) is bonded in a water-like geometry to two equivalent Rb(1), one H(3), and one H(4) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a single-bond geometry to one C(5) atom. In the second Cl site, Cl(2) is bonded in a single-bond geometry to one C(6) atom. Linkers: 4 N#CC1=C(C#N)C(=O)C(Cl)=C(Cl)C1=O. Metal clusters: 4 [Rb]. The MOF has largest included sphere 1.79 A, density 2.07 g/cm3, surface area 3278.87 m2/g, accessible volume 0.06 cm3/g