Ca6MnN5 crystallizes in the hexagonal P6_3/mcm space group. Ca(1) is bonded to two equivalent N(2) and three equivalent N(1) atoms to form a mixture of distorted face, corner, and edge-sharing CaN5 square pyramids. Mn(1) is bonded in a trigonal planar geometry to three equivalent N(1) atoms. There are two inequivalent N sites. In the first N site, N(2) is bonded to six equivalent Ca(1) atoms to form edge-sharing NCa6 octahedra. In the second N site, N(1) is bonded in a 7-coordinate geometry to six equivalent Ca(1) and one Mn(1) atom.
Ca6MnN5 crystallizes in the hexagonal P6_3/mcm space group. Ca(1) is bonded to two equivalent N(2) and three equivalent N(1) atoms to form a mixture of distorted face, corner, and edge-sharing CaN5 square pyramids. Both Ca(1)-N(2) bond lengths are 2.40 Å. There is one shorter (2.55 Å) and two longer (2.72 Å) Ca(1)-N(1) bond lengths. Mn(1) is bonded in a trigonal planar geometry to three equivalent N(1) atoms. All Mn(1)-N(1) bond lengths are 1.77 Å. There are two inequivalent N sites. In the first N site, N(2) is bonded to six equivalent Ca(1) atoms to form edge-sharing NCa6 octahedra. In the second N site, N(1) is bonded in a 7-coordinate geometry to six equivalent Ca(1) and one Mn(1) atom.