Mg(GeN)4 crystallizes in the orthorhombic Pnna space group. Mg(1) is bonded in a 4-coordinate geometry to two equivalent N(1) and two equivalent N(2) atoms. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a water-like geometry to two equivalent N(1) atoms. In the second Ge site, Ge(2) is bonded in a 4-coordinate geometry to four equivalent N(2) atoms. In the third Ge site, Ge(3) is bonded in a distorted trigonal pyramidal geometry to two equivalent N(1) and two equivalent N(2) atoms. There are two inequivalent N sites. In the first N site, N(1) is bonded to one Mg(1), one Ge(3), and two equivalent Ge(1) atoms to form a mixture of corner and edge-sharing NMgGe3 trigonal pyramids. In the second N site, N(2) is bonded to one Mg(1), one Ge(3), and two equivalent Ge(2) atoms to form a mixture of corner and edge-sharing NMgGe3 trigonal pyramids.
Mg(GeN)4 crystallizes in the orthorhombic Pnna space group. Mg(1) is bonded in a 4-coordinate geometry to two equivalent N(1) and two equivalent N(2) atoms. Both Mg(1)-N(1) bond lengths are 2.19 Å. Both Mg(1)-N(2) bond lengths are 2.15 Å. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a water-like geometry to two equivalent N(1) atoms. There is one shorter (1.96 Å) and one longer (2.00 Å) Ge(1)-N(1) bond length. In the second Ge site, Ge(2) is bonded in a 4-coordinate geometry to four equivalent N(2) atoms. There are two shorter (2.05 Å) and two longer (2.21 Å) Ge(2)-N(2) bond lengths. In the third Ge site, Ge(3) is bonded in a distorted trigonal pyramidal geometry to two equivalent N(1) and two equivalent N(2) atoms. Both Ge(3)-N(1) bond lengths are 1.94 Å. Both Ge(3)-N(2) bond lengths are 1.89 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded to one Mg(1), one Ge(3), and two equivalent Ge(1) atoms to form a mixture of corner and edge-sharing NMgGe3 trigonal pyramids. In the second N site, N(2) is bonded to one Mg(1), one Ge(3), and two equivalent Ge(2) atoms to form a mixture of corner and edge-sharing NMgGe3 trigonal pyramids.