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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on BeSe by Materials Project

BeSe is Halite, Rock Salt structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Be2+ is bonded to six equivalent Se2- atoms to form a mixture of corner and edge-sharing BeSe6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Be–Se bond lengths are 2.46 Å. Se2- is bonded to six equivalent Be2+ atoms to form a mixture of corner and edge-sharing SeBe6 octahedra. The corner-sharing octahedral tilt angles are 0°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on BeSe by Materials Project

BeSe is Zincblende, Sphalerite structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Be2+ is bonded to four equivalent Se2- atoms to form corner-sharing BeSe4 tetrahedra. All Be–Se bond lengths are 2.24 Å. Se2- is bonded to four equivalent Be2+ atoms to form corner-sharing SeBe4 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on BeSe by Materials Project

BeSe is Molybdenum Carbide MAX Phase-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Be2+ is bonded to six equivalent Se2- atoms to form a mixture of edge, face, and corner-sharing BeSe6 octahedra. The corner-sharing octahedral tilt angles are 49°. All Be–Se bond lengths are 2.46 Å. Se2- is bonded in a 6-coordinate geometry to six equivalent Be2+ atoms.

36 MATERIALS SCIENCE↗