Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “NaS2”

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.

2 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on NaS2 by Materials Project

NaSS crystallizes in the tetragonal I-42d space group. The structure is three-dimensional. there are two inequivalent Na sites. In the first Na site, Na is bonded in a 4-coordinate geometry to six S atoms. There are a spread of Na–S bond distances ranging from 2.85–3.27 Å. In the second Na site, Na is bonded in a 6-coordinate geometry to six S atoms. There are a spread of Na–S bond distances ranging from 2.91–3.11 Å. There are two inequivalent S sites. In the first S site, S is bonded in a 5-coordinate geometry to four Na and one S atom. The S–S bond length is 2.09 Å. In the second S site, S is bonded in a 4-coordinate geometry to two Na and two S atoms. The S–S bond length is 2.07 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NaS2N(O2F)2 by Materials Project

NaN(SO2F)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional and consists of four ammonia molecules and one NaS2(O2F)2 framework. In the NaS2(O2F)2 framework, Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.33–2.91 Å. There are two inequivalent S2+ sites. In the first S2+ site, S2+ is bonded in a trigonal non-coplanar geometry to two O2- and one F1- atom. There is one shorter (1.43 Å) and one longer (1.44 Å) S–O bond length. The S–F bond length is 1.60 Å. In the second S2+ site, S2+ is bonded in a trigonal non-coplanar geometry to two O2- and one F1- atom. There is one shorter (1.43 Å) and one longer (1.45 Å) S–O bond length. The S–F bond length is 1.60 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Na1+ and one S2+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Na1+ and one S2+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Na1+ and one S2+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+ and one S2+ atom. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one S2+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one S2+ atom.

36 MATERIALS SCIENCE↗