SmH4(CO2)4CN2H5 crystallizes in the orthorhombic C222_1 space group. The structure consists of four iminomethanaminium molecules inside a SmH4(CO2)4 framework. In the SmH4(CO2)4 framework, Sm(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one H(3) and two equivalent O(2) atoms. In the second C site, C(3) is bonded in a trigonal planar geometry to one H(5) and two equivalent O(1) atoms. In the third C site, C(4) is bonded in a trigonal planar geometry to one H(6), one O(3), and one O(4) atom. There are three inequivalent H sites. In the first H site, H(3) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(5) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(6) is bonded in a single-bond geometry to one C(4) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Sm(1) and one C(3) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Sm(1) and one C(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Sm(1) and one C(4) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Sm(1) and one C(4) atom.
SmH4(CO2)4CN2H5 crystallizes in the orthorhombic C222_1 space group. The structure consists of four iminomethanaminium molecules inside a SmH4(CO2)4 framework. In the SmH4(CO2)4 framework, Sm(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. Both Sm(1)-O(1) bond lengths are 2.35 Å. Both Sm(1)-O(2) bond lengths are 2.50 Å. Both Sm(1)-O(3) bond lengths are 2.52 Å. Both Sm(1)-O(4) bond lengths are 2.40 Å. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one H(3) and two equivalent O(2) atoms. The C(1)-H(3) bond length is 1.11 Å. Both C(1)-O(2) bond lengths are 1.27 Å. In the second C site, C(3) is bonded in a trigonal planar geometry to one H(5) and two equivalent O(1) atoms. The C(3)-H(5) bond length is 1.11 Å. Both C(3)-O(1) bond lengths are 1.26 Å. In the third C site, C(4) is bonded in a trigonal planar geometry to one H(6), one O(3), and one O(4) atom. The C(4)-H(6) bond length is 1.11 Å. The C(4)-O(3) bond length is 1.27 Å. The C(4)-O(4) bond length is 1.27 Å. There are three inequivalent H sites. In the first H site, H(3) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(5) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(6) is bonded in a single-bond geometry to one C(4) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Sm(1) and one C(3) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Sm(1) and one C(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Sm(1) and one C(4) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Sm(1) and one C(4) atom.