Materials Data on In7GeIrO8 by Materials Project

Abstract

IrIn7GeO8 crystallizes in the cubic F-43m space group. The structure is three-dimensional and consists of four iridium atom molecules and one In7GeO8 framework. In the In7GeO8 framework, there are two inequivalent In+1.29+ sites. In the first In+1.29+ site, In+1.29+ is bonded in a 4-coordinate geometry to four O2- atoms. There are two shorter (2.26 Å) and two longer (2.41 Å) In–O bond lengths. In the second In+1.29+ site, In+1.29+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All In–O bond lengths are 2.15 Å. Ge4+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All Ge–O bond lengths are 1.80 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to three equivalent In+1.29+ and one Ge4+ atom. In the second O2- site, O2- is bonded to four In+1.29+ atoms to form corner-sharing OIn4 tetrahedra.