Materials Data on Si2Ag2O5 by Materials Project

Abstract

Ag2Si2O5 crystallizes in the orthorhombic Pbcn space group. The structure is three-dimensional. Ag1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Ag–O bond distances ranging from 2.35–2.73 Å. Si4+ is bonded to four O2- atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.62–1.65 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent Si4+ atoms. In the second O2- site, O2- is bonded in a 1-coordinate geometry to four equivalent Ag1+ and one Si4+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ag1+ and two equivalent Si4+ atoms.