Materials Data on Cr3N2 by Materials Project
Cr3N2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Cr2+ sites. In the first Cr2+ site, Cr2+ is bonded in a linear geometry to two equivalent N3- atoms. Both Cr–N bond lengths are 1.94 Å. In the second Cr2+ site, Cr2+ is bonded to five equivalent N3- atoms to form a mixture of corner and edge-sharing CrN5 square pyramids. There are four shorter (2.03 Å) and one longer (2.06 Å) Cr–N bond lengths. N3- is bonded to six Cr2+ atoms to form a mixture of corner and edge-sharing NCr6 octahedra. The corner-sharing octahedra tilt angles range from 0–10°.
- Research Organization:
- LBNL Materials Project; Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Contributing Organization:
- The Materials Project; MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231
- OSTI ID:
- 1337311
- Report Number(s):
- mp-1014303
- Country of Publication:
- United States
- Language:
- English
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