Materials Data on Li2B12H26O7 by Materials Project

Abstract

Li2(H2O)7(BH)12 crystallizes in the orthorhombic Cmcm space group. The structure is zero-dimensional and consists of forty-eight boranediylradical molecules and four Li2(H2O)7 clusters. In each Li2(H2O)7 cluster, Li1+ is bonded to four O2- atoms to form corner-sharing LiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.94–2.05 Å. There are four inequivalent H+0.92+ sites. In the first H+0.92+ site, H+0.92+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the second H+0.92+ site, H+0.92+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the third H+0.92+ site, H+0.92+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the fourth H+0.92+ site, H+0.92+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted tetrahedral geometry to two equivalent Li1+ and two equivalent H+0.92+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+ and two equivalent H+0.92+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+ and two H+0.92+ atoms.