SrMnN2 crystallizes in the monoclinic P2_1/c space group. Sr(1) is bonded in a 4-coordinate geometry to one N(2) and four equivalent N(1) atoms. Mn(1) is bonded to two equivalent N(1) and two equivalent N(2) atoms to form a mixture of corner and edge-sharing MnN4 tetrahedra. There are two inequivalent N sites. In the first N site, N(1) is bonded in a 6-coordinate geometry to four equivalent Sr(1) and two equivalent Mn(1) atoms. In the second N site, N(2) is bonded in a 3-coordinate geometry to one Sr(1) and two equivalent Mn(1) atoms.
SrMnN2 crystallizes in the monoclinic P2_1/c space group. Sr(1) is bonded in a 4-coordinate geometry to one N(2) and four equivalent N(1) atoms. The Sr(1)-N(2) bond length is 2.55 Å. There are a spread of Sr(1)-N(1) bond distances ranging from 2.61-3.06 Å. Mn(1) is bonded to two equivalent N(1) and two equivalent N(2) atoms to form a mixture of corner and edge-sharing MnN4 tetrahedra. There is one shorter (1.86 Å) and one longer (1.87 Å) Mn(1)-N(1) bond length. There is one shorter (1.78 Å) and one longer (1.81 Å) Mn(1)-N(2) bond length. There are two inequivalent N sites. In the first N site, N(1) is bonded in a 6-coordinate geometry to four equivalent Sr(1) and two equivalent Mn(1) atoms. In the second N site, N(2) is bonded in a 3-coordinate geometry to one Sr(1) and two equivalent Mn(1) atoms.