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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Ge2Os by Materials Project

OsGe2 is Magnesium tetraboride-like structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Os is bonded in a 8-coordinate geometry to eight Ge atoms. There are a spread of Os–Ge bond distances ranging from 2.53–2.73 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 4-coordinate geometry to three equivalent Os and three equivalent Ge atoms. There are one shorter (2.41 Å) and two longer (2.72 Å) Ge–Ge bond lengths. In the second Ge site, Ge is bonded in a 5-coordinate geometry to five equivalent Os atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ge3Os by Materials Project

OsGe3 is alpha bismuth trifluoride structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Os sites. In the first Os site, Os is bonded in a distorted body-centered cubic geometry to fourteen Ge atoms. There are a spread of Os–Ge bond distances ranging from 2.77–3.21 Å. In the second Os site, Os is bonded in a distorted body-centered cubic geometry to fourteen Ge atoms. There are a spread of Os–Ge bond distances ranging from 2.77–3.21 Å. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded in a distorted body-centered cubic geometry to four Os and four Ge atoms. All Ge–Ge bond lengths are 2.77 Å. In the second Ge site, Ge is bonded in a 8-coordinate geometry to six Os and eight equivalent Ge atoms. In the third Ge site, Ge is bonded in a 8-coordinate geometry to six Os and eight equivalent Ge atoms.

36 MATERIALS SCIENCE↗