SEARCH · Engineering Papers

Results for “I-K-Pt”

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.

SourceResearch connectionFrom yearThrough year

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

2 records

All sources NASA NTRS DOE OSTI

DOE OSTI2020

Materials Data on K2PtI6 by Materials Project

K2PtI6 crystallizes in the tetragonal P4/mnc space group. The structure is three-dimensional. K1+ is bonded in a distorted body-centered cubic geometry to eight I1- atoms. There are four shorter (3.74 Å) and four longer (3.89 Å) K–I bond lengths. Pt4+ is bonded in an octahedral geometry to six I1- atoms. There are two shorter (2.71 Å) and four longer (2.72 Å) Pt–I bond lengths. There are two inequivalent I1- sites. In the first I1- site, I1- is bonded to four equivalent K1+ and one Pt4+ atom to form a mixture of distorted edge and corner-sharing IK4Pt square pyramids. In the second I1- site, I1- is bonded in a distorted trigonal non-coplanar geometry to two equivalent K1+ and one Pt4+ atom.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on K2PtI5 by Materials Project

K2PtI5 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. K is bonded in a 7-coordinate geometry to seven I atoms. There are a spread of K–I bond distances ranging from 3.63–3.82 Å. Pt is bonded to six I atoms to form corner-sharing PtI6 octahedra. The corner-sharing octahedral tilt angles are 12°. There are a spread of Pt–I bond distances ranging from 2.69–2.90 Å. There are three inequivalent I sites. In the first I site, I is bonded in a distorted T-shaped geometry to two equivalent K and one Pt atom. In the second I site, I is bonded to four equivalent K and one Pt atom to form a mixture of distorted edge and corner-sharing IK4Pt trigonal bipyramids. In the third I site, I is bonded in a rectangular see-saw-like geometry to two equivalent K and two equivalent Pt atoms.

36 MATERIALS SCIENCE↗