Materials Data on H6N4O9 by Materials Project
NH4NO3(HNO3)2 crystallizes in the orthorhombic P2_12_12 space group. The structure is one-dimensional and consists of four nitric acid molecules and two NH4NO3 ribbons oriented in the (1, 0, 0) direction. In each NH4NO3 ribbon, there are two inequivalent N3+ sites. In the first N3+ site, N3+ is bonded in a tetrahedral geometry to four H1+ atoms. There is two shorter (1.03 Å) and two longer (1.05 Å) N–H bond length. In the second N3+ site, N3+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.26 Å) and two longer (1.27 Å) N–O bond length. There are two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N3+ atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N3+ and one O2- atom. The H–O bond length is 1.72 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one N3+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one N3+ and one H1+ atom.
- 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:
- 1746142
- Report Number(s):
- mp-1181328
- Country of Publication:
- United States
- Language:
- English
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