SrNiC4H2O9(CH2)2 crystallizes in the monoclinic P2_1/c space group. The structure consists of eight 02329_fluka molecules inside a SrNiC4H2O9 framework. In the SrNiC4H2O9 framework, Sr(1) is bonded in a 7-coordinate geometry to one O(1), one O(5), one O(6), two equivalent O(2), and two equivalent O(9) atoms. The Sr(1)-O(1) bond length is 2.75 Å. The Sr(1)-O(5) bond length is 2.82 Å. The Sr(1)-O(6) bond length is 2.60 Å. There is one shorter (2.58 Å) and one longer (2.66 Å) Sr(1)-O(2) bond length. There is one shorter (2.62 Å) and one longer (2.69 Å) Sr(1)-O(9) bond length. Ni(1) is bonded in a rectangular see-saw-like geometry to one O(1), one O(4), one O(5), and one O(7) atom. The Ni(1)-O(1) bond length is 2.03 Å. The Ni(1)-O(4) bond length is 2.02 Å. The Ni(1)-O(5) bond length is 2.03 Å. The Ni(1)-O(7) bond length is 2.02 Å. There are four inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. The C(1)-O(1) bond length is 1.27 Å. The C(1)-O(2) bond length is 1.25 Å. In the second C site, C(3) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(3)-O(3) bond length is 1.26 Å. The C(3)-O(4) bond length is 1.24 Å. In the third C site, C(4) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(6) atom. The C(4)-O(5) bond length is 1.26 Å. The C(4)-O(6) bond length is 1.25 Å. In the fourth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(8) atom. The C(6)-O(7) bond length is 1.23 Å. The C(6)-O(8) bond length is 1.26 Å. There are two inequivalent H sites. In the first H site, H(5) is bonded in a single-bond geometry to one O(9) atom. The H(5)-O(9) bond length is 0.85 Å. In the second H site, H(6) is bonded in a single-bond geometry to one O(9) atom. The H(6)-O(9) bond length is 0.85 Å. There are nine inequivalent O sites. In the first O site, O(9) is bonded in a bent 120 degrees geometry to two equivalent Sr(1), one H(5), and one H(6) atom. In the second O site, O(1) is bonded in a 3-coordinate geometry to one Sr(1), one Ni(1), and one C(1) atom. In the third O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Sr(1) and one C(1) atom. In the fourth O site, O(3) is bonded in a single-bond geometry to one C(3) atom. In the fifth O site, O(4) is bonded in a bent 120 degrees geometry to one Ni(1) and one C(3) atom. In the sixth O site, O(5) is bonded in a 3-coordinate geometry to one Sr(1), one Ni(1), and one C(4) atom. In the seventh O site, O(6) is bonded in a distorted single-bond geometry to one Sr(1) and one C(4) atom. In the eighth O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Ni(1) and one C(6) atom. In the ninth O site, O(8) is bonded in a single-bond geometry to one C(6) atom. Linkers: 8 [O]C(=O)CC([O])=O. Metal clusters: 4 [Sr] ,4 [Ni]. The MOF has largest included sphere 4.19 A, density 1.66 g/cm3, surface area 3580.19 m2/g, accessible volume 0.23 cm3/g