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All sourcesNASA NTRSDOE OSTI
DOE OSTI2017

Materials Data on EuPaO4 by Materials Project

PaEuO4 is Fluorite-derived structured and crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Pa5+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are six shorter (2.31 Å) and two longer (2.32 Å) Pa–O bond lengths. Eu3+ is bonded in a body-centered cubic geometry to eight O2- atoms. All Eu–O bond lengths are 2.42 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded to two equivalent Pa5+ and two equivalent Eu3+ atoms to form a mixture of corner and edge-sharing OEu2Pa2 tetrahedra. In the second O2- site, O2- is bonded to two equivalent Pa5+ and two equivalent Eu3+ atoms to form a mixture of corner and edge-sharing OEu2Pa2 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on EuPaO4 by Materials Project

PaEuO4 is Fluorite-derived structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Pa5+ is bonded in a body-centered cubic geometry to eight equivalent O2- atoms. All Pa–O bond lengths are 2.31 Å. Eu3+ is bonded in a body-centered cubic geometry to eight equivalent O2- atoms. All Eu–O bond lengths are 2.42 Å. O2- is bonded to two equivalent Pa5+ and two equivalent Eu3+ atoms to form a mixture of edge and corner-sharing OEu2Pa2 tetrahedra.

36 MATERIALS SCIENCE↗