Materials Data on Ba3(SnAs2)2 by Materials Project
Ba3(SnAs2)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded to six As3- atoms to form a mixture of edge and corner-sharing BaAs6 octahedra. The corner-sharing octahedra tilt angles range from 7–11°. There are a spread of Ba–As bond distances ranging from 3.37–3.53 Å. In the second Ba2+ site, Ba2+ is bonded to six As3- atoms to form a mixture of edge and corner-sharing BaAs6 octahedra. The corner-sharing octahedra tilt angles range from 2–11°. There are a spread of Ba–As bond distances ranging from 3.30–3.50 Å. In the third Ba2+ site, Ba2+ is bonded to six As3- atoms to form a mixture of edge and corner-sharing BaAs6 octahedra. The corner-sharing octahedra tilt angles range from 2–7°. There are a spread of Ba–As bond distances ranging from 3.34–3.57 Å. There are two inequivalent Sn3+ sites. In the first Sn3+ site, Sn3+ is bonded in a trigonal non-coplanar geometry to three As3- atoms. There are a spread of Sn–As bond distances ranging from 2.63–2.74 Å. In the second Sn3+ site, Sn3+ is bonded in a trigonal non-coplanar geometry to three As3- atoms. There are one shorter (2.69 Å) and two longer (2.71 Å) Sn–As bond lengths. There are four inequivalent As3- sites. In the first As3- site, As3- is bonded to four Ba2+ and two equivalent Sn3+ atoms to form AsBa4Sn2 octahedra that share corners with eight AsBa5Sn octahedra and edges with eight AsBa4Sn2 octahedra. The corner-sharing octahedra tilt angles range from 6–92°. In the second As3- site, As3- is bonded to five Ba2+ and one Sn3+ atom to form a mixture of edge and corner-sharing AsBa5Sn octahedra. The corner-sharing octahedra tilt angles range from 3–92°. In the third As3- site, As3- is bonded to five Ba2+ and one Sn3+ atom to form AsBa5Sn octahedra that share corners with seven AsBa4Sn2 octahedra and edges with ten AsBa5Sn octahedra. The corner-sharing octahedra tilt angles range from 3–83°. In the fourth As3- site, As3- is bonded to four Ba2+ and two Sn3+ atoms to form a mixture of edge and corner-sharing AsBa4Sn2 octahedra. The corner-sharing octahedra tilt angles range from 6–92°.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). LBNL Materials Project
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Contributing Organization:
- MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231; EDCBEE
- OSTI ID:
- 1192524
- Report Number(s):
- mp-17470
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
Similar Records
Materials Data on Ba(GaAs)2 by Materials Project
Materials Data on Ba4GeAs4 by Materials Project