FeCu2H16(CN)10(CH2)2 crystallizes in the monoclinic P2_1/c space group. The structure consists of four 02329_fluka molecules inside a FeCu2H16(CN)10 framework. In the FeCu2H16(CN)10 framework, Fe(1) is bonded in an octahedral geometry to two equivalent C(1), two equivalent C(2), and two equivalent C(6) atoms. Both Fe(1)-C(1) bond lengths are 1.88 Å. Both Fe(1)-C(2) bond lengths are 1.88 Å. Both Fe(1)-C(6) bond lengths are 1.88 Å. Cu(1) is bonded in a trigonal bipyramidal geometry to one N(1), one N(2), one N(3), one N(4), and one N(5) atom. The Cu(1)-N(1) bond length is 2.16 Å. The Cu(1)-N(2) bond length is 1.94 Å. The Cu(1)-N(3) bond length is 2.05 Å. The Cu(1)-N(4) bond length is 1.98 Å. The Cu(1)-N(5) bond length is 2.07 Å. There are five inequivalent C sites. In the first C site, C(1) is bonded in a linear geometry to one Fe(1) and one N(1) atom. The C(1)-N(1) bond length is 1.18 Å. In the second C site, C(2) is bonded in a linear geometry to one Fe(1) and one N(2) atom. The C(2)-N(2) bond length is 1.18 Å. In the third C site, C(3) is bonded in a distorted trigonal non-coplanar geometry to one N(3), one H(5), and one H(6) atom. The C(3)-N(3) bond length is 1.48 Å. The C(3)-H(5) bond length is 1.10 Å. The C(3)-H(6) bond length is 1.10 Å. In the fourth C site, C(5) is bonded in a distorted trigonal non-coplanar geometry to one N(5), one H(10), and one H(9) atom. The C(5)-N(5) bond length is 1.47 Å. The C(5)-H(10) bond length is 1.10 Å. The C(5)-H(9) bond length is 1.10 Å. In the fifth C site, C(6) is bonded in a linear geometry to one Fe(1) and one N(4) atom. The C(6)-N(4) bond length is 1.18 Å. There are five inequivalent N sites. In the first N site, N(1) is bonded in a distorted bent 150 degrees geometry to one Cu(1) and one C(1) atom. In the second N site, N(2) is bonded in a linear geometry to one Cu(1) and one C(2) atom. In the third N site, N(3) is bonded in a 4-coordinate geometry to one Cu(1), one C(3), one H(1), and one H(2) atom. The N(3)-H(1) bond length is 1.02 Å. The N(3)-H(2) bond length is 1.02 Å. In the fourth N site, N(4) is bonded in a linear geometry to one Cu(1) and one C(6) atom. In the fifth N site, N(5) is bonded in a 4-coordinate geometry to one Cu(1), one C(5), one H(3), and one H(4) atom. The N(5)-H(3) bond length is 1.02 Å. The N(5)-H(4) bond length is 1.02 Å. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one N(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one N(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one N(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one N(5) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(3) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(3) atom. In the seventh H site, H(9) is bonded in a single-bond geometry to one C(5) atom. In the eighth H site, H(10) is bonded in a single-bond geometry to one C(5) atom. Linkers: 4 NCCCN. Metal clusters: 2 [Fe] ,4 [Cu]. The MOF has largest included sphere 2.96 A, density 1.68 g/cm3, surface area 4074.41 m2/g, accessible volume 0.16 cm3/g