DOE OSTI2020
CsLiB6O10 crystallizes in the orthorhombic P222_1 space group. The structure is three-dimensional. Cs1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Cs–O bond distances ranging from 3.21–3.63 Å. Li1+ is bonded to four O2- atoms to form distorted LiO4 trigonal pyramids that share corners with four BO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.95–2.00 Å. There are eight inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.36–1.40 Å. In the second B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share corners with two equivalent LiO4 trigonal pyramids. All B–O bond lengths are 1.48 Å. In the third B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share corners with two equivalent LiO4 trigonal pyramids. All B–O bond lengths are 1.48 Å. In the fourth B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share corners with two equivalent LiO4 trigonal pyramids. All B–O bond lengths are 1.48 Å. In the fifth B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share corners with two equivalent LiO4 trigonal pyramids. All B–O bond lengths are 1.48 Å. In the sixth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.36–1.40 Å. In the seventh B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.36–1.40 Å. In the eighth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.37 Å) and one longer (1.40 Å) B–O bond length. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one Cs1+ and two B3+ atoms. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one Cs1+ and two B3+ atoms. In the third O2- site, O2- is bonded in a trigonal planar geometry to one Li1+ and two B3+ atoms. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one Cs1+ and two B3+ atoms. In the fifth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+ and two B3+ atoms. In the sixth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+ and two B3+ atoms. In the seventh O2- site, O2- is bonded in a bent 120 degrees geometry to one Cs1+ and two B3+ atoms. In the eighth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+ and two B3+ atoms. In the ninth O2- site, O2- is bonded in a bent 120 degrees geometry to two equivalent Cs1+ and two equivalent B3+ atoms. In the tenth O2- site, O2- is bonded in a bent 120 degrees geometry to two equivalent Cs1+ and two equivalent B3+ atoms. In the eleventh O2- site, O2- is bonded in a bent 120 degrees geometry to two equivalent Cs1+ and two equivalent B3+ atoms. In the twelfth O2- site, O2- is bonded in a bent 120 degrees geometry to two equivalent Cs1+ and two equivalent B3+ atoms.