Search NASA⌕ Search

SEARCH · Search NASA

Results for “Li-N-Sr”

Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

3 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on SrLi4N2 by Materials Project

Li4SrN2 crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. there are two inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a trigonal planar geometry to three equivalent N3- atoms. There are one shorter (2.12 Å) and two longer (2.14 Å) Li–N bond lengths. In the second Li1+ site, Li1+ is bonded in a linear geometry to two equivalent N3- atoms. Both Li–N bond lengths are 1.92 Å. Sr2+ is bonded in a 4-coordinate geometry to four equivalent N3- atoms. All Sr–N bond lengths are 2.66 Å. N3- is bonded to five Li1+ and two equivalent Sr2+ atoms to form a mixture of distorted edge and corner-sharing NSr2Li5 pentagonal bipyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrLiN by Materials Project

LiSrN crystallizes in the tetragonal P4_2/mmc space group. The structure is three-dimensional. Li1+ is bonded in a linear geometry to two equivalent N3- atoms. Both Li–N bond lengths are 1.97 Å. Sr2+ is bonded to four equivalent N3- atoms to form a mixture of edge and corner-sharing SrN4 tetrahedra. All Sr–N bond lengths are 2.65 Å. N3- is bonded to two equivalent Li1+ and four equivalent Sr2+ atoms to form a mixture of edge and corner-sharing NSr4Li2 octahedra. The corner-sharing octahedra tilt angles range from 0–63°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sr2LiN by Materials Project

LiSr2N crystallizes in the tetragonal I4mm space group. The structure is two-dimensional and consists of two LiSr2N sheets oriented in the (0, 0, 1) direction. Li is bonded in a single-bond geometry to one N atom. The Li–N bond length is 1.97 Å. There are two inequivalent Sr sites. In the first Sr site, Sr is bonded in a single-bond geometry to one N atom. The Sr–N bond length is 2.41 Å. In the second Sr site, Sr is bonded in a rectangular see-saw-like geometry to four equivalent N atoms. All Sr–N bond lengths are 2.78 Å. N is bonded to one Li and five Sr atoms to form a mixture of distorted edge and corner-sharing NSr5Li octahedra. The corner-sharing octahedral tilt angles are 7°.

36 MATERIALS SCIENCE↗