MgCdH4(N2O5)2 crystallizes in the monoclinic C2/c space group. Mg(1) is bonded in an octahedral geometry to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms. Cd(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 two inequivalent N sites. In the first N site, N(1) is bonded in a bent 120 degrees geometry to one O(1) and one O(2) atom. In the second N site, N(2) is bonded in a bent 120 degrees geometry to one O(3) and one O(4) atom. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(5) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(5) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Cd(1) and one N(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Mg(1), one Cd(1), and one N(1) atom. In the third O site, O(3) is bonded in a distorted water-like geometry to one Cd(1) and one N(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mg(1), one Cd(1), and one N(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Mg(1), one H(1), and one H(2) atom.
MgCdH4(N2O5)2 crystallizes in the monoclinic C2/c space group. Mg(1) is bonded in an octahedral geometry to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms. Both Mg(1)-O(2) bond lengths are 2.17 Å. Both Mg(1)-O(4) bond lengths are 2.17 Å. Both Mg(1)-O(5) bond lengths are 2.04 Å. Cd(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 Cd(1)-O(1) bond lengths are 2.43 Å. Both Cd(1)-O(2) bond lengths are 2.53 Å. Both Cd(1)-O(3) bond lengths are 2.42 Å. Both Cd(1)-O(4) bond lengths are 2.59 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a bent 120 degrees geometry to one O(1) and one O(2) atom. The N(1)-O(1) bond length is 1.26 Å. The N(1)-O(2) bond length is 1.28 Å. In the second N site, N(2) is bonded in a bent 120 degrees geometry to one O(3) and one O(4) atom. The N(2)-O(3) bond length is 1.26 Å. The N(2)-O(4) bond length is 1.28 Å. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(5) atom. The H(1)-O(5) bond length is 0.99 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(5) atom. The H(2)-O(5) bond length is 0.99 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Cd(1) and one N(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Mg(1), one Cd(1), and one N(1) atom. In the third O site, O(3) is bonded in a distorted water-like geometry to one Cd(1) and one N(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mg(1), one Cd(1), and one N(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Mg(1), one H(1), and one H(2) atom.