Pr2C24H13O17 crystallizes in the tetragonal I4_1 space group. Pr(1) is bonded in a 9-coordinate geometry to one O(1), one O(3), one O(5), one O(7), one O(8), two equivalent O(2), and two equivalent O(4) atoms. The Pr(1)-O(1) bond length is 2.58 Å. The Pr(1)-O(3) bond length is 2.45 Å. The Pr(1)-O(5) bond length is 2.56 Å. The Pr(1)-O(7) bond length is 2.44 Å. The Pr(1)-O(8) bond length is 2.42 Å. There is one shorter (2.47 Å) and one longer (2.82 Å) Pr(1)-O(2) bond length. There is one shorter (2.47 Å) and one longer (2.85 Å) Pr(1)-O(4) bond length. There are thirteen inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(6), and one C(7) atom. The C(1)-C(2) bond length is 1.41 Å. The C(1)-C(6) bond length is 1.39 Å. The C(1)-C(7) bond length is 1.50 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one H(3) atom. The C(2)-C(3) bond length is 1.41 Å. The C(2)-H(3) bond length is 1.09 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 1.39 Å. The C(3)-C(8) bond length is 1.50 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3) and one H(4) atom. The C(4)-H(4) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(6) and one O(6) atom. The C(5)-C(6) bond length is 1.45 Å. The C(5)-O(6) bond length is 1.26 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(1), one C(5), and one H(5) atom. The C(6)-H(5) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a bent 120 degrees geometry to one C(1), one O(2), and one O(3) atom. The C(7)-O(2) bond length is 1.29 Å. The C(7)-O(3) bond length is 1.27 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(4), and one O(5) atom. The C(8)-O(4) bond length is 1.29 Å. The C(8)-O(5) bond length is 1.26 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(13) atom. The C(9)-C(10) bond length is 1.38 Å. The C(9)-C(12) bond length is 1.40 Å. The C(9)-C(13) bond length is 1.50 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(11), one C(9), and one H(6) atom. The C(10)-C(11) bond length is 1.45 Å. The C(10)-H(6) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to two equivalent C(10) and one O(9) atom. The C(11)-O(9) bond length is 1.26 Å. In the twelfth C site, C(12) is bonded in a distorted trigonal planar geometry to two equivalent C(9) and one H(7) atom. The C(12)-H(7) bond length is 1.09 Å. In the thirteenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(9), one O(7), and one O(8) atom. The C(13)-O(7) bond length is 1.27 Å. The C(13)-O(8) bond length is 1.27 Å. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) atom. The H(1)-O(1) bond length is 0.98 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(1) atom. The H(2)-O(1) bond length is 0.97 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(4) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(10) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(12) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one Pr(1), one H(1), and one H(2) atom. In the second O site, O(2) is bonded in a 1-coordinate geometry to two equivalent Pr(1) and one C(7) atom. In the third O site, O(3) is bonded in a distorted water-like geometry to one Pr(1) and one C(7) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to two equivalent Pr(1) and one C(8) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Pr(1) and one C(8) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one C(5) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Pr(1) and one C(13) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Pr(1) and one C(13) atom. In the ninth O site, O(9) is bonded in a single-bond geometry to one C(11) atom. Linkers: 6 [O]C(=O)C1=CC(=O)C=C(C([O])=O)[CH]1. Metal clusters: 4 [Pr]. The MOF has largest included sphere 4.98 A, density 1.40 g/cm3, surface area 3256.20 m2/g, accessible volume 0.39 cm3/g