DOI: 10.17188/1266042
title: Materials Data on Si2Ag6O7 by Materials Project

description: Ag6Si2O7 crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. there are twelve inequivalent Ag1+ sites. In the first Ag1+ site, Ag1+ is bonded in a distorted T-shaped geometry to three O2- atoms. There are a spread of Ag–O bond distances ranging from 2.19–2.57 Å. In the second Ag1+ site, Ag1+ is bonded in a distorted T-shaped geometry to three O2- atoms. There are a spread of Ag–O bond distances ranging from 2.18–2.46 Å. In the third Ag1+ site, Ag1+ is bonded in a 2-coordinate geometry to four O2- atoms. There are a spread of Ag–O bond distances ranging from 2.22–2.84 Å. In the fourth Ag1+ site, Ag1+ is bonded in a distorted see-saw-like geometry to four O2- atoms. There are a spread of Ag–O bond distances ranging from 2.29–2.70 Å. In the fifth Ag1+ site, Ag1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Ag–O bond distances ranging from 2.28–2.77 Å. In the sixth Ag1+ site, Ag1+ is bonded in a 2-coordinate geometry to four O2- atoms. There are a spread of Ag–O bond distances ranging from 2.25–2.84 Å. In the seventh Ag1+ site, Ag1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Ag–O bond distances ranging from 2.28–2.76 Å. In the eighth Ag1+ site, Ag1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Ag–O bond distances ranging from 2.36–2.67 Å. In the ninth Ag1+ site, Ag1+ is bonded in a 2-coordinate geometry to three O2- atoms. There are a spread of Ag–O bond distances ranging from 2.16–2.78 Å. In the tenth Ag1+ site, Ag1+ is bonded in a T-shaped geometry to three O2- atoms. There are a spread of Ag–O bond distances ranging from 2.25–2.43 Å. In the eleventh Ag1+ site, Ag1+ is bonded in a distorted T-shaped geometry to three O2- atoms. There are a spread of Ag–O bond distances ranging from 2.19–2.58 Å. In the twelfth Ag1+ site, Ag1+ is bonded in a distorted linear geometry to two O2- atoms. There are one shorter (2.18 Å) and one longer (2.20 Å) Ag–O bond lengths. There are four inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four O2- atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.64–1.68 Å. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.63–1.68 Å. In the third Si4+ site, Si4+ is bonded to four O2- atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.64–1.67 Å. In the fourth Si4+ site, Si4+ is bonded to four O2- atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.64–1.67 Å. There are fourteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to four Ag1+ and one Si4+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to three Ag1+ and one Si4+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to three Ag1+ and one Si4+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ag1+ and two Si4+ atoms. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to two Ag1+ and one Si4+ atom. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to three Ag1+ and one Si4+ atom. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to three Ag1+ and one Si4+ atom. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to three Ag1+ and one Si4+ atom. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to three Ag1+ and one Si4+ atom. In the tenth O2- site, O2- is bonded in a 1-coordinate geometry to four Ag1+ and one Si4+ atom. In the eleventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ag1+ and two Si4+ atoms. In the twelfth O2- site, O2- is bonded in a 1-coordinate geometry to four Ag1+ and one Si4+ atom. In the thirteenth O2- site, O2- is bonded in a distorted tetrahedral geometry to three Ag1+ and one Si4+ atom. In the fourteenth O2- site, O2- is bonded in a 1-coordinate geometry to four Ag1+ and one Si4+ atom.