Materials Data on OsN by Materials Project

OsN crystallizes in the orthorhombic Cmc2_1 space group. The structure is two-dimensional and consists of two OsN sheets oriented in the (0, 1, 0) direction. there are two inequivalent Os3+ sites. In the first Os3+ site, Os3+ is bonded in an L-shaped geometry to two equivalent N3- atoms. Both Os–N bond lengths are 2.06 Å. In the second Os3+ site, Os3+ is bonded in a rectangular see-saw-like geometry to four N3- atoms. There are a spread of Os–N bond distances ranging from 2.07–2.17 Å. There are two inequivalent N3- sites. In the first N3- site, N3- is bonded to three Os3+ and one N3- atom to form distorted corner-sharing NOs3N tetrahedra. The N–N bond length is 1.42 Å. In the second N3- site, N3- is bonded to three equivalent Os3+ and one N3- atom to form distorted corner-sharing NOs3N tetrahedra.