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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.

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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on La3PI3 by Materials Project

La3PI3 crystallizes in the cubic I4_132 space group. The structure is three-dimensional. La2+ is bonded to two equivalent P3- and four equivalent I1- atoms to form a mixture of corner and edge-sharing LaP2I4 octahedra. The corner-sharing octahedra tilt angles range from 6–11°. Both La–P bond lengths are 2.92 Å. There are two shorter (3.28 Å) and two longer (3.39 Å) La–I bond lengths. P3- is bonded to six equivalent La2+ atoms to form edge-sharing PLa6 octahedra. I1- is bonded in a distorted rectangular see-saw-like geometry to four equivalent La2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on La2PI2 by Materials Project

La2PI2 is MAX Phase-like structured and crystallizes in the trigonal P-3m1 space group. The structure is two-dimensional and consists of one La2PI2 sheet oriented in the (0, 0, 1) direction. La+2.50+ is bonded to three equivalent P3- and three equivalent I1- atoms to form a mixture of edge and corner-sharing LaP3I3 octahedra. The corner-sharing octahedral tilt angles are 0°. All La–P bond lengths are 2.98 Å. All La–I bond lengths are 3.29 Å. P3- is bonded to six equivalent La+2.50+ atoms to form edge-sharing PLa6 octahedra. I1- is bonded in a 3-coordinate geometry to three equivalent La+2.50+ atoms.

36 MATERIALS SCIENCE↗