Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “S-Tl-Zr”

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.

Materials Data on Zr(TlS)4 by Materials Project

Zr(TlS)4 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are three inequivalent Zr4+ sites. In the first Zr4+ site, Zr4+ is bonded to six S2- atoms to form ZrS6 octahedra that share corners with three TlS5 square pyramids, edges with two ZrS6 octahedra, and edges with six TlS5 square pyramids. There are a spread of Zr–S bond distances ranging from 2.54–2.68 Å. In the second Zr4+ site, Zr4+ is bonded to six S2- atoms to form ZrS6 octahedra that share corners with four TlS5 square pyramids, edges with two ZrS6 octahedra, and edges with four TlS5 square pyramids. There are a spread of Zr–S bond distances ranging from 2.54–2.70 Å. In the third Zr4+ site, Zr4+ is bonded to six S2- atoms to form ZrS6 octahedra that share corners with two equivalent TlS5 square pyramids, edges with two equivalent ZrS6 octahedra, and edges with four TlS5 square pyramids. There are a spread of Zr–S bond distances ranging from 2.59–2.63 Å. There are ten inequivalent Tl1+ sites. In the first Tl1+ site, Tl1+ is bonded to five S2- atoms to form distorted TlS5 square pyramids that share corners with two equivalent ZrS6 octahedra, corners with two equivalent TlS5 square pyramids, edges with three ZrS6 octahedra, and an edgeedge with one TlS5 square pyramid. The corner-sharing octahedra tilt angles range from 15–18°. There are a spread of Tl–S bond distances ranging from 2.88–3.40 Å. In the second Tl1+ site, Tl1+ is bonded to five S2- atoms to form distorted TlS5 square pyramids that share corners with two ZrS6 octahedra, corners with two equivalent TlS5 square pyramids, edges with three ZrS6 octahedra, and edges with three TlS5 square pyramids. The corner-sharing octahedral tilt angles are 7°. There are a spread of Tl–S bond distances ranging from 2.94–3.43 Å. In the third Tl1+ site, Tl1+ is bonded in a distorted rectangular see-saw-like geometry to four S2- atoms. There are a spread of Tl–S bond distances ranging from 2.88–3.24 Å. In the fourth Tl1+ site, Tl1+ is bonded to five S2- atoms to form distorted TlS5 square pyramids that share corners with two ZrS6 octahedra, corners with two equivalent TlS5 square pyramids, edges with three ZrS6 octahedra, and edges with two TlS5 square pyramids. The corner-sharing octahedra tilt angles range from 9–10°. There are a spread of Tl–S bond distances ranging from 2.92–3.48 Å. In the fifth Tl1+ site, Tl1+ is bonded in a distorted rectangular see-saw-like geometry to four S2- atoms. There are a spread of Tl–S bond distances ranging from 2.92–3.42 Å. In the sixth Tl1+ site, Tl1+ is bonded in a distorted rectangular see-saw-like geometry to four S2- atoms. There are a spread of Tl–S bond distances ranging from 2.90–3.46 Å. In the seventh Tl1+ site, Tl1+ is bonded to five S2- atoms to form distorted TlS5 square pyramids that share corners with two ZrS6 octahedra, corners with two equivalent TlS5 square pyramids, edges with three ZrS6 octahedra, and edges with three TlS5 square pyramids. The corner-sharing octahedra tilt angles range from 11–15°. There are a spread of Tl–S bond distances ranging from 2.89–3.37 Å. In the eighth Tl1+ site, Tl1+ is bonded in a distorted rectangular see-saw-like geometry to four S2- atoms. There are a spread of Tl–S bond distances ranging from 2.88–3.26 Å. In the ninth Tl1+ site, Tl1+ is bonded in a distorted rectangular see-saw-like geometry to four S2- atoms. There are a spread of Tl–S bond distances ranging from 2.89–3.43 Å. In the tenth Tl1+ site, Tl1+ is bonded in a 5-coordinate geometry to five S2- atoms. There are a spread of Tl–S bond distances ranging from 2.91–3.41 Å. There are ten inequivalent S2- sites. In the first S2- site, S2- is bonded in a 6-coordinate geometry to one Zr4+ and five Tl1+ atoms. In the second S2- site, S2- is bonded to two equivalent Zr4+ and four Tl1+ atoms to form distorted SZr2Tl4 octahedra that share a cornercorner with one SZrTl5 octahedra and edges with two SZr2Tl4 octahedra. The corner-sharing octahedral tilt angles are 19°. In the third S2- site, S2- is bonded in a 6-coordinate geometry to two Zr4+ and four Tl1+ atoms. In the fourth S2- site, S2- is bonded to two Zr4+ and four Tl1+ atoms to form distorted SZr2Tl4 octahedra that share a cornercorner with one SZr2Tl4 octahedra and edges with three SZrTl5 octahedra. The corner-sharing octahedral tilt angles are 0°. In the fifth S2- site, S2- is bonded in a 6-coordinate geometry to one Zr4+ and five Tl1+ atoms. In the sixth S2- site, S2- is bonded in a 6-coordinate geometry to two Zr4+ and four Tl1+ atoms. In the seventh S2- site, S2- is bonded in a 6-coordinate geometry to one Zr4+ and five Tl1+ atoms. In the eighth S2- site, S2- is bonded in a 6-coordinate geometry to one Zr4+ and five Tl1+ atoms. In the ninth S2- site, S2- is bonded to one Zr4+ and five Tl1+ atoms to form a mixture of distorted corner and edge-sharing SZrTl5 octahedra. The corner-sharing octahedra tilt angles range from 0–19°. In the tenth S2- site, S2- is bonded in a 6-coordinate geometry to two Zr4+ and four Tl1+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on ZrTl2S3 by Materials Project

Tl2ZrS3 crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. Zr4+ is bonded to six S2- atoms to form ZrS6 octahedra that share corners with three equivalent TlS6 octahedra, edges with three equivalent TlS6 octahedra, and edges with four equivalent ZrS6 octahedra. The corner-sharing octahedra tilt angles range from 1–15°. There are a spread of Zr–S bond distances ranging from 2.48–2.72 Å. There are two inequivalent Tl1+ sites. In the first Tl1+ site, Tl1+ is bonded in a 6-coordinate geometry to six S2- atoms. There are a spread of Tl–S bond distances ranging from 3.03–3.46 Å. In the second Tl1+ site, Tl1+ is bonded to six S2- atoms to form distorted TlS6 octahedra that share corners with three equivalent ZrS6 octahedra, edges with three equivalent ZrS6 octahedra, and edges with six equivalent TlS6 octahedra. The corner-sharing octahedra tilt angles range from 1–15°. There are a spread of Tl–S bond distances ranging from 3.01–3.52 Å. There are three inequivalent S2- sites. In the first S2- site, S2- is bonded in a 6-coordinate geometry to one Zr4+ and five Tl1+ atoms. In the second S2- site, S2- is bonded in a 6-coordinate geometry to two equivalent Zr4+ and four Tl1+ atoms. In the third S2- site, S2- is bonded in a 6-coordinate geometry to three equivalent Zr4+ and three equivalent Tl1+ atoms.

36 MATERIALS SCIENCE↗