W18Ni3C24P2H24(N3O25)2(CH)12(CH2)3 crystallizes in the cubic Pm-3n space group. The structure consists of twenty-four 02329_fluka molecules and twenty-four isobutylene molecules inside a W18Ni3C24P2H24(N3O25)2 framework. In the W18Ni3C24P2H24(N3O25)2 framework, there are three inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(2), one O(3), one O(4), and one O(7) atom to form distorted WO5 square pyramids that share corners with two equivalent W(2)O6 octahedra,  a cornercorner with one W(3)O5 square pyramid,  a cornercorner with one P(1)O4 tetrahedra, and  an edgeedge with one W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 18-30°. The W(1)-O(1) bond length is 2.41 Å. The W(1)-O(2) bond length is 1.90 Å. The W(1)-O(3) bond length is 1.95 Å. The W(1)-O(4) bond length is 1.91 Å. The W(1)-O(7) bond length is 1.88 Å. In the second W site, W(2) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one O(8) atom to form distorted WO6 octahedra that share  a cornercorner with one W(3)O5 square pyramid, corners with two equivalent W(1)O5 square pyramids,  a cornercorner with one P(1)O4 tetrahedra, and  an edgeedge with one W(1)O5 square pyramid. The W(2)-O(1) bond length is 2.26 Å. The W(2)-O(2) bond length is 1.88 Å. The W(2)-O(3) bond length is 1.86 Å. The W(2)-O(5) bond length is 1.72 Å. The W(2)-O(7) bond length is 1.92 Å. The W(2)-O(8) bond length is 1.94 Å. In the third W site, W(3) is bonded to one O(4), one O(8), one O(9), and two equivalent O(6) atoms to form distorted WO5 square pyramids that share  a cornercorner with one W(2)O6 octahedra,  a cornercorner with one W(1)O5 square pyramid,  a cornercorner with one P(1)O4 tetrahedra, and edges with two equivalent W(3)O5 square pyramids. The corner-sharing octahedral tilt angles are 30°. The W(3)-O(4) bond length is 1.89 Å. The W(3)-O(8) bond length is 1.89 Å. The W(3)-O(9) bond length is 2.35 Å. There is one shorter (1.91 Å) and one longer (1.92 Å) W(3)-O(6) bond length. Ni(1) is bonded in a rectangular see-saw-like geometry to one N(1), one N(2), and two equivalent O(5) atoms. The Ni(1)-N(1) bond length is 2.11 Å. The Ni(1)-N(2) bond length is 2.00 Å. Both Ni(1)-O(5) bond lengths are 2.00 Å. There are five inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one N(1), and one H(1) atom. The C(1)-C(2) bond length is 1.37 Å. The C(1)-N(1) bond length is 1.31 Å. The C(1)-H(1) bond length is 0.95 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(5), and one H(2) atom. The C(2)-C(5) bond length is 1.39 Å. The C(2)-H(2) bond length is 0.95 Å. In the third C site, C(3) is bonded in a 2-coordinate geometry to one N(2) and one H(4) atom. The C(3)-N(2) bond length is 1.39 Å. The C(3)-H(4) bond length is 0.95 Å. In the fourth C site, C(5) is bonded in a trigonal planar geometry to one C(6) and two equivalent C(2) atoms. The C(5)-C(6) bond length is 1.55 Å. In the fifth C site, C(6) is bonded in a water-like geometry to one C(5) and two equivalent H(3) atoms. Both C(6)-H(3) bond lengths are 0.99 Å. P(1) is bonded to one O(9) and three equivalent O(1) atoms to form PO4 tetrahedra that share corners with three equivalent W(2)O6 octahedra, corners with three equivalent W(1)O5 square pyramids, and corners with three equivalent W(3)O5 square pyramids. The corner-sharing octahedral tilt angles are 50°. The P(1)-O(9) bond length is 1.57 Å. All P(1)-O(1) bond lengths are 1.54 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Ni(1) and two equivalent C(1) atoms. In the second N site, N(2) is bonded in a trigonal planar geometry to one Ni(1) and two equivalent C(3) atoms. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(3) atom. There are nine inequivalent O sites. In the first O site, O(9) is bonded in a distorted single-bond geometry to three equivalent W(3) and one P(1) atom. In the second O site, O(1) is bonded in a distorted single-bond geometry to one W(1), one W(2), and one P(1) atom. In the third O site, O(2) is bonded in a bent 150 degrees geometry to one W(1) and one W(2) atom. In the fourth O site, O(3) is bonded in a bent 150 degrees geometry to one W(1) and one W(2) atom. In the fifth O site, O(4) is bonded in a bent 150 degrees geometry to one W(1) and one W(3) atom. In the sixth O site, O(5) is bonded in a bent 150 degrees geometry to one W(2) and one Ni(1) atom. In the seventh O site, O(6) is bonded in a distorted bent 120 degrees geometry to two equivalent W(3) atoms. In the eighth O site, O(7) is bonded in a bent 120 degrees geometry to one W(1) and one W(2) atom. In the ninth O site, O(8) is bonded in a bent 150 degrees geometry to one W(2) and one W(3) atom. Linkers: 24 c1cc(CCCc2ccncc2)ccn1. Metal clusters: 24 [Ni] ,144 [W]. The MOF has largest included sphere 11.61 A, density 2.54 g/cm3, surface area 1535.50 m2/g, accessible volume 0.20 cm3/g