Materials Data on Nd3Si11Pt23 by Materials Project
Nd3Pt23Si11 crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Nd2+ is bonded to eight equivalent Pt+1.83- atoms to form distorted corner-sharing NdPt8 cuboctahedra. All Nd–Pt bond lengths are 3.17 Å. There are four inequivalent Pt+1.83- sites. In the first Pt+1.83- site, Pt+1.83- is bonded in a distorted square co-planar geometry to four equivalent Si+3.27+ atoms. All Pt–Si bond lengths are 2.59 Å. In the second Pt+1.83- site, Pt+1.83- is bonded in a 5-coordinate geometry to two equivalent Nd2+ and three Si+3.27+ atoms. There are a spread of Pt–Si bond distances ranging from 2.44–2.47 Å. In the third Pt+1.83- site, Pt+1.83- is bonded to four Si+3.27+ atoms to form a mixture of edge and corner-sharing PtSi4 tetrahedra. There are one shorter (2.44 Å) and three longer (2.50 Å) Pt–Si bond lengths. In the fourth Pt+1.83- site, Pt+1.83- is bonded to four Si+3.27+ atoms to form a mixture of distorted edge and corner-sharing PtSi4 tetrahedra. There are one shorter (2.51 Å) and three longer (2.52 Å) Pt–Si bond lengths. There are three inequivalent Si+3.27+ sites. In the first Si+3.27+ site, Si+3.27+ is bonded in a 7-coordinate geometry to seven Pt+1.83- atoms. In the second Si+3.27+ site, Si+3.27+ is bonded in a body-centered cubic geometry to eight Pt+1.83- atoms. In the third Si+3.27+ site, Si+3.27+ is bonded in a 7-coordinate geometry to seven Pt+1.83- atoms.
- 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:
- 1739499
- Report Number(s):
- mp-1196005
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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