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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on PrHo3 by Materials Project

Ho3Pr is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ho is bonded to eight equivalent Ho and four equivalent Pr atoms to form HoPr4Ho8 cuboctahedra that share corners with twelve equivalent HoPr4Ho8 cuboctahedra, edges with eight equivalent PrHo12 cuboctahedra, edges with sixteen equivalent HoPr4Ho8 cuboctahedra, faces with four equivalent PrHo12 cuboctahedra, and faces with fourteen equivalent HoPr4Ho8 cuboctahedra. All Ho–Ho bond lengths are 3.58 Å. All Ho–Pr bond lengths are 3.58 Å. Pr is bonded to twelve equivalent Ho atoms to form PrHo12 cuboctahedra that share corners with twelve equivalent PrHo12 cuboctahedra, edges with twenty-four equivalent HoPr4Ho8 cuboctahedra, faces with six equivalent PrHo12 cuboctahedra, and faces with twelve equivalent HoPr4Ho8 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on PrHo3 by Materials Project

Ho3Pr is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded to eight Ho and four equivalent Pr atoms to form HoPr4Ho8 cuboctahedra that share corners with four equivalent PrHo12 cuboctahedra, corners with fourteen HoPr4Ho8 cuboctahedra, edges with six equivalent PrHo12 cuboctahedra, edges with twelve HoPr4Ho8 cuboctahedra, faces with four equivalent PrHo12 cuboctahedra, and faces with sixteen HoPr4Ho8 cuboctahedra. There are a spread of Ho–Ho bond distances ranging from 3.53–3.68 Å. There are two shorter (3.56 Å) and two longer (3.63 Å) Ho–Pr bond lengths. In the second Ho site, Ho is bonded to eight equivalent Ho and four equivalent Pr atoms to form HoPr4Ho8 cuboctahedra that share corners with four equivalent PrHo12 cuboctahedra, corners with fourteen HoPr4Ho8 cuboctahedra, edges with six equivalent PrHo12 cuboctahedra, edges with twelve equivalent HoPr4Ho8 cuboctahedra, faces with four equivalent PrHo12 cuboctahedra, and faces with sixteen HoPr4Ho8 cuboctahedra. There are two shorter (3.56 Å) and two longer (3.63 Å) Ho–Pr bond lengths. Pr is bonded to twelve Ho atoms to form PrHo12 cuboctahedra that share corners with six equivalent PrHo12 cuboctahedra, corners with twelve HoPr4Ho8 cuboctahedra, edges with eighteen HoPr4Ho8 cuboctahedra, faces with eight equivalent PrHo12 cuboctahedra, and faces with twelve HoPr4Ho8 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on PrHo3 by Materials Project

Ho3Pr crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded to eight Ho and four equivalent Pr atoms to form HoPr4Ho8 cuboctahedra that share corners with twelve equivalent HoPr4Ho8 cuboctahedra, edges with eight equivalent PrHo12 cuboctahedra, edges with sixteen HoPr4Ho8 cuboctahedra, faces with four equivalent PrHo12 cuboctahedra, and faces with fourteen HoPr4Ho8 cuboctahedra. All Ho–Ho bond lengths are 3.58 Å. All Ho–Pr bond lengths are 3.58 Å. In the second Ho site, Ho is bonded to eight equivalent Ho and four equivalent Pr atoms to form HoPr4Ho8 cuboctahedra that share corners with four equivalent HoPr4Ho8 cuboctahedra, corners with eight equivalent PrHo12 cuboctahedra, edges with twenty-four HoPr4Ho8 cuboctahedra, faces with six equivalent PrHo12 cuboctahedra, and faces with twelve HoPr4Ho8 cuboctahedra. All Ho–Pr bond lengths are 3.58 Å. Pr is bonded to twelve Ho atoms to form PrHo12 cuboctahedra that share corners with four equivalent PrHo12 cuboctahedra, corners with eight equivalent HoPr4Ho8 cuboctahedra, edges with eight equivalent PrHo12 cuboctahedra, edges with sixteen equivalent HoPr4Ho8 cuboctahedra, faces with four equivalent PrHo12 cuboctahedra, and faces with fourteen HoPr4Ho8 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Pr3Ho by Materials Project

HoPr3 is beta Cu3Ti-like structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ho is bonded to twelve Pr atoms to form HoPr12 cuboctahedra that share corners with four equivalent HoPr12 cuboctahedra, corners with eight equivalent PrPr8Ho4 cuboctahedra, edges with eight equivalent HoPr12 cuboctahedra, edges with sixteen equivalent PrPr8Ho4 cuboctahedra, faces with four equivalent HoPr12 cuboctahedra, and faces with fourteen PrPr8Ho4 cuboctahedra. There are four shorter (3.67 Å) and eight longer (3.68 Å) Ho–Pr bond lengths. There are two inequivalent Pr sites. In the first Pr site, Pr is bonded to four equivalent Ho and eight Pr atoms to form PrPr8Ho4 cuboctahedra that share corners with twelve equivalent PrPr8Ho4 cuboctahedra, edges with eight equivalent HoPr12 cuboctahedra, edges with sixteen PrPr8Ho4 cuboctahedra, faces with four equivalent HoPr12 cuboctahedra, and faces with fourteen PrPr8Ho4 cuboctahedra. There are four shorter (3.67 Å) and four longer (3.68 Å) Pr–Pr bond lengths. In the second Pr site, Pr is bonded to four equivalent Ho and eight equivalent Pr atoms to form PrPr8Ho4 cuboctahedra that share corners with four equivalent PrPr8Ho4 cuboctahedra, corners with eight equivalent HoPr12 cuboctahedra, edges with twenty-four PrPr8Ho4 cuboctahedra, faces with six equivalent HoPr12 cuboctahedra, and faces with twelve PrPr8Ho4 cuboctahedra.

36 MATERIALS SCIENCE↗