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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Sb2O3 by Materials Project

Sb2O3 crystallizes in the orthorhombic Pmmn space group. The structure is two-dimensional and consists of one Sb2O3 sheet oriented in the (0, 1, 0) direction. Sb3+ is bonded in a distorted see-saw-like geometry to four O2- atoms. There are a spread of Sb–O bond distances ranging from 2.02–2.50 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three equivalent Sb3+ atoms. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to two equivalent Sb3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sb2O3 by Materials Project

Sb2O3 is diamond structured and crystallizes in the cubic Fd-3m space group. The structure is zero-dimensional and consists of eight tetraantimony hexaoxide molecules. Sb3+ is bonded in a distorted T-shaped geometry to three equivalent O2- atoms. All Sb–O bond lengths are 2.01 Å. O2- is bonded in a bent 120 degrees geometry to two equivalent Sb3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sb2O3 by Materials Project

Sb2O3 is Antimony trioxide structured and crystallizes in the orthorhombic Pccn space group. The structure is three-dimensional. Sb3+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Sb–O bond distances ranging from 2.02–2.63 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to four equivalent Sb3+ atoms. In the second O2- site, O2- is bonded in a 3-coordinate geometry to three equivalent Sb3+ atoms.

36 MATERIALS SCIENCE↗