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DOE OSTI2020

Materials Data on Eu2SeO2 by Materials Project

Eu2SeO2 crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. Eu3+ is bonded in a 4-coordinate geometry to three equivalent Se2- and four equivalent O2- atoms. All Eu–Se bond lengths are 3.11 Å. There are three shorter (2.34 Å) and one longer (2.38 Å) Eu–O bond lengths. Se2- is bonded in a 6-coordinate geometry to six equivalent Eu3+ atoms. O2- is bonded to four equivalent Eu3+ atoms to form a mixture of edge and corner-sharing OEu4 tetrahedra.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Eu2SeO2 by Materials Project

Eu2SeO2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Eu3+ is bonded in a 4-coordinate geometry to four equivalent Se2- and four equivalent O2- atoms. All Eu–Se bond lengths are 3.43 Å. All Eu–O bond lengths are 2.29 Å. Se2- is bonded in a body-centered cubic geometry to eight equivalent Eu3+ atoms. O2- is bonded to four equivalent Eu3+ atoms to form a mixture of edge and corner-sharing OEu4 tetrahedra.

36 MATERIALS SCIENCE↗