Materials Data on Ba4Mn3O10 by Materials Project
Ba4Mn3O10 crystallizes in the orthorhombic Cmce space group. The structure is three-dimensional. there are two inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.77–3.11 Å. In the second Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.65–3.00 Å. There are two inequivalent Mn4+ sites. In the first Mn4+ site, Mn4+ is bonded to six O2- atoms to form a mixture of corner and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles are 9°. There are a spread of Mn–O bond distances ranging from 1.84–2.13 Å. In the second Mn4+ site, Mn4+ is bonded to six O2- atoms to form face-sharing MnO6 octahedra. There is two shorter (1.93 Å) and four longer (1.94 Å) Mn–O bond length. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to four Ba2+ and two Mn4+ atoms. In the second O2- site, O2- is bonded in a 1-coordinate geometry to four Ba2+ and one Mn4+ atom. In the third O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Mn4+ atoms. In the fourth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two equivalent Mn4+ atoms.