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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on ZrU4O10 by Materials Project

U4ZrO10 is Fluorite-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent U4+ sites. In the first U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.31–2.35 Å. In the second U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.32–2.36 Å. In the third U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.33–2.35 Å. In the fourth U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.32–2.36 Å. In the fifth U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.29–2.36 Å. In the sixth U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.32–2.37 Å. In the seventh U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.32–2.38 Å. In the eighth U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.30–2.36 Å. There are two inequivalent Zr4+ sites. In the first Zr4+ site, Zr4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Zr–O bond distances ranging from 2.24–2.33 Å. In the second Zr4+ site, Zr4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Zr–O bond distances ranging from 2.24–2.31 Å. There are twenty inequivalent O2- sites. In the first O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form OZrU3 tetrahedra that share corners with sixteen OZrU3 tetrahedra and edges with six OU4 tetrahedra. In the second O2- site, O2- is bonded to two U4+ and two equivalent Zr4+ atoms to form OZr2U2 tetrahedra that share corners with sixteen OZr2U2 tetrahedra and edges with six OZrU3 tetrahedra. In the third O2- site, O2- is bonded to two U4+ and two equivalent Zr4+ atoms to form OZr2U2 tetrahedra that share corners with sixteen OZrU3 tetrahedra and edges with six OU4 tetrahedra. In the fourth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form OZrU3 tetrahedra that share corners with sixteen OZr2U2 tetrahedra and edges with six OU4 tetrahedra. In the fifth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form a mixture of edge and corner-sharing OZrU3 tetrahedra. In the sixth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form OZrU3 tetrahedra that share corners with sixteen OZrU3 tetrahedra and edges with six OU4 tetrahedra. In the seventh O2- site, O2- is bonded to four U4+ atoms to form OU4 tetrahedra that share corners with sixteen OZrU3 tetrahedra and edges with six OU4 tetrahedra. In the eighth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form OZrU3 tetrahedra that share corners with sixteen OZr2U2 tetrahedra and edges with six OU4 tetrahedra. In the ninth O2- site, O2- is bonded to four U4+ atoms to form OU4 tetrahedra that share corners with sixteen OZr2U2 tetrahedra and edges with six OU4 tetrahedra. In the tenth O2- site, O2- is bonded to four U4+ atoms to form a mixture of edge and corner-sharing OU4 tetrahedra. In the eleventh O2- site, O2- is bonded to four U4+ atoms to form OU4 tetrahedra that share corners with sixteen OZrU3 tetrahedra and edges with six OU4 tetrahedra. In the twelfth O2- site, O2- is bonded to two U4+ and two equivalent Zr4+ atoms to form OZr2U2 tetrahedra that share corners with sixteen OZr2U2 tetrahedra and edges with six OZrU3 tetrahedra. In the thirteenth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form OZrU3 tetrahedra that share corners with sixteen OZrU3 tetrahedra and edges with six OU4 tetrahedra. In the fourteenth O2- site, O2- is bonded to four U4+ atoms to form OU4 tetrahedra that share corners with sixteen OZrU3 tetrahedra and edges with six OU4 tetrahedra. In the fifteenth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form OZrU3 tetrahedra that share corners with sixteen OZrU3 tetrahedra and edges with six OU4 tetrahedra. In the sixteenth O2- site, O2- is bonded to four U4+ atoms to form OU4 tetrahedra that share corners with sixteen OZr2U2 tetrahedra and edges with six OU4 tetrahedra. In the seventeenth O2- site, O2- is bonded to four U4+ atoms to form OU4 tetrahedra that share corners with sixteen OZr2U2 tetrahedra and edges with six OZrU3 tetrahedra. In the eighteenth O2- site, O2- is bonded to four U4+ atoms to form OU4 tetrahedra that share corners with sixteen OZrU3 tetrahedra and edges with six OU4 tetrahedra. In the nineteenth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form a mixture of edge and corner-sharing OZrU3 tetrahedra. In the twentieth O2- site, O2- is bonded to two U4+ and two equivalent Zr4+ atoms to form OZr2U2 tetrahedra that share corners with sixteen OZrU3 tetrahedra and edges with six OU4 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zr3U7O20 by Materials Project

U7Zr3O20 is Fluorite-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are seven inequivalent U4+ sites. In the first U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.30–2.35 Å. In the second U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.31–2.36 Å. In the third U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.31–2.35 Å. In the fourth U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.32–2.37 Å. In the fifth U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.31–2.38 Å. In the sixth U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.32–2.38 Å. In the seventh U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.30–2.35 Å. There are three inequivalent Zr4+ sites. In the first Zr4+ site, Zr4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Zr–O bond distances ranging from 2.25–2.29 Å. In the second Zr4+ site, Zr4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Zr–O bond distances ranging from 2.24–2.33 Å. In the third Zr4+ site, Zr4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Zr–O bond distances ranging from 2.25–2.30 Å. There are twenty inequivalent O2- sites. In the first O2- site, O2- is bonded to two U4+ and two equivalent Zr4+ atoms to form a mixture of edge and corner-sharing OZr2U2 tetrahedra. In the second O2- site, O2- is bonded to two equivalent U4+ and two Zr4+ atoms to form a mixture of edge and corner-sharing OZr2U2 tetrahedra. In the third O2- site, O2- is bonded to four U4+ atoms to form a mixture of edge and corner-sharing OU4 tetrahedra. In the fourth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form a mixture of edge and corner-sharing OZrU3 tetrahedra. In the fifth O2- site, O2- is bonded to two equivalent U4+ and two Zr4+ atoms to form a mixture of edge and corner-sharing OZr2U2 tetrahedra. In the sixth O2- site, O2- is bonded to two U4+ and two equivalent Zr4+ atoms to form a mixture of edge and corner-sharing OZr2U2 tetrahedra. In the seventh O2- site, O2- is bonded to two U4+ and two equivalent Zr4+ atoms to form a mixture of edge and corner-sharing OZr2U2 tetrahedra. In the eighth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form OZrU3 tetrahedra that share corners with sixteen OU4 tetrahedra and edges with six OZrU3 tetrahedra. In the ninth O2- site, O2- is bonded to four U4+ atoms to form a mixture of edge and corner-sharing OU4 tetrahedra. In the tenth O2- site, O2- is bonded to four U4+ atoms to form OU4 tetrahedra that share corners with sixteen OU4 tetrahedra and edges with six OZrU3 tetrahedra. In the eleventh O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form OZrU3 tetrahedra that share corners with sixteen OU4 tetrahedra and edges with six OZrU3 tetrahedra. In the twelfth O2- site, O2- is bonded to two U4+ and two equivalent Zr4+ atoms to form a mixture of edge and corner-sharing OZr2U2 tetrahedra. In the thirteenth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form a mixture of edge and corner-sharing OZrU3 tetrahedra. In the fourteenth O2- site, O2- is bonded to two U4+ and two equivalent Zr4+ atoms to form OZr2U2 tetrahedra that share corners with sixteen OU4 tetrahedra and edges with six OZrU3 tetrahedra. In the fifteenth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form OZrU3 tetrahedra that share corners with sixteen OZr2U2 tetrahedra and edges with six OU4 tetrahedra. In the sixteenth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form OZrU3 tetrahedra that share corners with sixteen OU4 tetrahedra and edges with six OZrU3 tetrahedra. In the seventeenth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form a mixture of edge and corner-sharing OZrU3 tetrahedra. In the eighteenth O2- site, O2- is bonded to two U4+ and two equivalent Zr4+ atoms to form OZr2U2 tetrahedra that share corners with sixteen OZr2U2 tetrahedra and edges with six OZrU3 tetrahedra. In the nineteenth O2- site, O2- is bonded to four U4+ atoms to form a mixture of edge and corner-sharing OU4 tetrahedra. In the twentieth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form OZrU3 tetrahedra that share corners with sixteen OZr2U2 tetrahedra and edges with six OZrU3 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ZrU9O20 by Materials Project

U9ZrO20 is Fluorite-derived structured and crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are five inequivalent U4+ sites. In the first U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.32–2.36 Å. In the second U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.33–2.35 Å. In the third U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.33–2.36 Å. In the fourth U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.33–2.36 Å. In the fifth U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are four shorter (2.34 Å) and four longer (2.35 Å) U–O bond lengths. Zr4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are four shorter (2.27 Å) and four longer (2.28 Å) Zr–O bond lengths. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form a mixture of corner and edge-sharing OZrU3 tetrahedra. In the second O2- site, O2- is bonded to four U4+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra. In the third O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form a mixture of corner and edge-sharing OZrU3 tetrahedra. In the fourth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form a mixture of corner and edge-sharing OZrU3 tetrahedra. In the fifth O2- site, O2- is bonded to four U4+ atoms to form OU4 tetrahedra that share corners with sixteen OZrU3 tetrahedra and edges with six OU4 tetrahedra. In the sixth O2- site, O2- is bonded to four U4+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra. In the seventh O2- site, O2- is bonded to four U4+ atoms to form OU4 tetrahedra that share corners with sixteen OZrU3 tetrahedra and edges with six OU4 tetrahedra. In the eighth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form a mixture of corner and edge-sharing OZrU3 tetrahedra. In the ninth O2- site, O2- is bonded to four U4+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra. In the tenth O2- site, O2- is bonded to four U4+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ZrUO4 by Materials Project

UO2ZrO2 is Fluorite-derived structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are six shorter (2.32 Å) and two longer (2.35 Å) U–O bond lengths. Zr4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are two shorter (2.22 Å) and six longer (2.28 Å) Zr–O bond lengths. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded to three equivalent U4+ and one Zr4+ atom to form a mixture of edge and corner-sharing OZrU3 tetrahedra. In the second O2- site, O2- is bonded to one U4+ and three equivalent Zr4+ atoms to form a mixture of edge and corner-sharing OZr3U tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ZrU4O10 by Materials Project

U4ZrO10 is Fluorite-derived structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. there are two inequivalent U4+ sites. In the first U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.33–2.35 Å. In the second U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are six shorter (2.33 Å) and two longer (2.35 Å) U–O bond lengths. Zr4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are two shorter (2.22 Å) and six longer (2.30 Å) Zr–O bond lengths. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded to three equivalent U4+ and one Zr4+ atom to form OZrU3 tetrahedra that share corners with sixteen OU4 tetrahedra and edges with six OZr3U tetrahedra. In the second O2- site, O2- is bonded to four equivalent U4+ atoms to form a mixture of edge and corner-sharing OU4 tetrahedra. In the third O2- site, O2- is bonded to four U4+ atoms to form a mixture of edge and corner-sharing OU4 tetrahedra. In the fourth O2- site, O2- is bonded to one U4+ and three equivalent Zr4+ atoms to form OZr3U tetrahedra that share corners with sixteen OU4 tetrahedra and edges with six OZr3U tetrahedra. In the fifth O2- site, O2- is bonded to four U4+ atoms to form a mixture of edge and corner-sharing OU4 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ZrU4O10 by Materials Project

U4ZrO10 is Fluorite-derived structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are five inequivalent U4+ sites. In the first U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are two shorter (2.32 Å) and six longer (2.34 Å) U–O bond lengths. In the second U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.34–2.36 Å. In the third U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are five shorter (2.34 Å) and three longer (2.35 Å) U–O bond lengths. In the fourth U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.30–2.36 Å. In the fifth U4+ site, U4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.32–2.37 Å. Zr4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Zr–O bond distances ranging from 2.25–2.30 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded to four U4+ atoms to form OU4 tetrahedra that share corners with sixteen OU4 tetrahedra and edges with six OZrU3 tetrahedra. In the second O2- site, O2- is bonded to four U4+ atoms to form OU4 tetrahedra that share corners with sixteen OU4 tetrahedra and edges with six OZrU3 tetrahedra. In the third O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form OZrU3 tetrahedra that share corners with sixteen OZrU3 tetrahedra and edges with six OU4 tetrahedra. In the fourth O2- site, O2- is bonded to two U4+ and two equivalent Zr4+ atoms to form OZr2U2 tetrahedra that share corners with sixteen OU4 tetrahedra and edges with six OZrU3 tetrahedra. In the fifth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form OZrU3 tetrahedra that share corners with sixteen OU4 tetrahedra and edges with six OZrU3 tetrahedra. In the sixth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form a mixture of corner and edge-sharing OZrU3 tetrahedra. In the seventh O2- site, O2- is bonded to four U4+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra. In the eighth O2- site, O2- is bonded to three U4+ and one Zr4+ atom to form OZrU3 tetrahedra that share corners with sixteen OU4 tetrahedra and edges with six OZrU3 tetrahedra. In the ninth O2- site, O2- is bonded to four U4+ atoms to form a mixture of corner and edge-sharing OU4 tetrahedra. In the tenth O2- site, O2- is bonded to two U4+ and two equivalent Zr4+ atoms to form a mixture of corner and edge-sharing OZr2U2 tetrahedra.

36 MATERIALS SCIENCE↗