Materials Data on La2B4Rh5 by Materials Project

Abstract

La2Rh5B4 crystallizes in the orthorhombic Fmmm space group. The structure is three-dimensional. La is bonded in a 8-coordinate geometry to ten Rh and six equivalent B atoms. There are a spread of La–Rh bond distances ranging from 3.13–3.31 Å. There are two shorter (3.05 Å) and four longer (3.22 Å) La–B bond lengths. There are three inequivalent Rh sites. In the first Rh site, Rh is bonded in a 4-coordinate geometry to four equivalent La and four equivalent B atoms. All Rh–B bond lengths are 2.14 Å. In the second Rh site, Rh is bonded in a distorted square co-planar geometry to four equivalent La and four equivalent B atoms. All Rh–B bond lengths are 2.21 Å. In the third Rh site, Rh is bonded in a distorted square co-planar geometry to four equivalent La and four equivalent B atoms. All Rh–B bond lengths are 2.20 Å. B is bonded in a 5-coordinate geometry to three equivalent La and five Rh atoms.