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DOE OSTI2020

Materials Data on U(Ni2P)2 by Materials Project

U(Ni2P)2 crystallizes in the tetragonal P4_2/mnm space group. The structure is three-dimensional. U is bonded to twelve equivalent Ni and six equivalent P atoms to form distorted face-sharing UNi12P6 octahedra. There are eight shorter (3.07 Å) and four longer (3.09 Å) U–Ni bond lengths. There are two shorter (2.80 Å) and four longer (2.83 Å) U–P bond lengths. Ni is bonded in a 3-coordinate geometry to three equivalent U and three equivalent P atoms. There are two shorter (2.31 Å) and one longer (2.33 Å) Ni–P bond lengths. P is bonded in a 9-coordinate geometry to three equivalent U and six equivalent Ni atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on U(NiP)2 by Materials Project

UNi2P2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. U3+ is bonded in a body-centered cubic geometry to eight equivalent P3- atoms. All U–P bond lengths are 2.88 Å. Ni+1.50+ is bonded to four equivalent P3- atoms to form a mixture of edge and corner-sharing NiP4 tetrahedra. All Ni–P bond lengths are 2.28 Å. P3- is bonded in a 9-coordinate geometry to four equivalent U3+, four equivalent Ni+1.50+, and one P3- atom. The P–P bond length is 2.38 Å.

36 MATERIALS SCIENCE↗