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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Li3Pm by Materials Project

Li3Pm is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. there are two inequivalent Li sites. In the first Li site, Li is bonded in a body-centered cubic geometry to four equivalent Li and four equivalent Pm atoms. All Li–Li bond lengths are 3.16 Å. All Li–Pm bond lengths are 3.16 Å. In the second Li site, Li is bonded in a 8-coordinate geometry to eight equivalent Li and six equivalent Pm atoms. All Li–Pm bond lengths are 3.64 Å. Pm is bonded in a distorted body-centered cubic geometry to fourteen Li atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li3Pm by Materials Project

Li3Pm crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Li is bonded in a 10-coordinate geometry to six equivalent Li and four equivalent Pm atoms. There are two shorter (2.98 Å) and four longer (3.07 Å) Li–Li bond lengths. There are two shorter (3.33 Å) and two longer (3.36 Å) Li–Pm bond lengths. Pm is bonded to twelve equivalent Li atoms to form a mixture of corner and face-sharing PmLi12 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiPm3 by Materials Project

LiPm3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Li is bonded to twelve equivalent Pm atoms to form LiPm12 cuboctahedra that share corners with twelve equivalent LiPm12 cuboctahedra, edges with twenty-four equivalent PmLi4Pm8 cuboctahedra, faces with six equivalent LiPm12 cuboctahedra, and faces with twelve equivalent PmLi4Pm8 cuboctahedra. All Li–Pm bond lengths are 3.53 Å. Pm is bonded to four equivalent Li and eight equivalent Pm atoms to form PmLi4Pm8 cuboctahedra that share corners with twelve equivalent PmLi4Pm8 cuboctahedra, edges with eight equivalent LiPm12 cuboctahedra, edges with sixteen equivalent PmLi4Pm8 cuboctahedra, faces with four equivalent LiPm12 cuboctahedra, and faces with fourteen equivalent PmLi4Pm8 cuboctahedra. All Pm–Pm bond lengths are 3.53 Å.

36 MATERIALS SCIENCE↗