Materials Data on KLiB4O7 by Materials Project
LiKB4O7 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of K–O bond distances ranging from 2.72–3.16 Å. In the second K1+ site, K1+ is bonded in a 8-coordinate geometry to five O2- atoms. There are a spread of K–O bond distances ranging from 2.70–2.85 Å. There are two inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Li–O bond distances ranging from 1.95–2.54 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form distorted LiO4 tetrahedra that share corners with three BO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.91–2.19 Å. There are eight inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. All B–O bond lengths are 1.38 Å. In the second B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one LiO4 tetrahedra and a cornercorner with one BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.45–1.51 Å. In the third 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 fourth 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 1.33–1.44 Å. In the fifth B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one LiO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.47–1.50 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 1.36–1.41 Å. In the seventh B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.36 Å) and one longer (1.42 Å) B–O bond length. In the eighth B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one LiO4 tetrahedra and a cornercorner with one BO4 tetrahedra. There is one shorter (1.45 Å) and three longer (1.49 Å) B–O bond length. There are fourteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to one Li1+ and two B3+ atoms. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+, one Li1+, and two B3+ atoms. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+ and two B3+ atoms. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+ and two B3+ atoms. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to one K1+, two Li1+, and one B3+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two K1+ and two B3+ atoms. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to one K1+, one Li1+, and two B3+ atoms. In the eighth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+ and two B3+ atoms. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+ and two B3+ atoms. In the tenth O2- site, O2- is bonded in a 2-coordinate geometry to one K1+, one Li1+, and two B3+ atoms. In the eleventh O2- site, O2- is bonded in a bent 120 degrees geometry to one K1+ and two B3+ atoms. In the twelfth O2- site, O2- is bonded in a bent 120 degrees geometry to two K1+, one Li1+, and two B3+ atoms. In the thirteenth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+ and two B3+ atoms. In the fourteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+ and two B3+ atoms.