Materials Data on HgO by Materials Project

Abstract

HgO crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are four inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded in a distorted linear geometry to two O2- atoms. Both Hg–O bond lengths are 2.06 Å. In the second Hg2+ site, Hg2+ is bonded in a distorted linear geometry to two O2- atoms. Both Hg–O bond lengths are 2.06 Å. In the third Hg2+ site, Hg2+ is bonded in a distorted linear geometry to six O2- atoms. There are a spread of Hg–O bond distances ranging from 2.07–2.99 Å. In the fourth Hg2+ site, Hg2+ is bonded in a distorted linear geometry to two O2- atoms. Both Hg–O bond lengths are 2.07 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to three Hg2+ atoms. In the second O2- site, O2- is bonded in a distorted water-like geometry to two Hg2+ atoms. In the third O2- site, O2- is bonded in a distorted water-like geometry to four Hg2+ atoms. In the fourth O2- site, O2- is bonded in a distorted water-like geometry to three Hg2+ atoms.