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DOE OSTI2020

Materials Data on Ba(BO2)5 by Materials Project

Ba(BO2)5 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Ba is bonded in a 10-coordinate geometry to ten O atoms. There are a spread of Ba–O bond distances ranging from 2.65–3.06 Å. There are five inequivalent B sites. In the first B site, B is bonded in a trigonal planar geometry to three O atoms. There are a spread of B–O bond distances ranging from 1.34–1.47 Å. In the second B site, B is bonded in a trigonal planar geometry to three O atoms. There are a spread of B–O bond distances ranging from 1.36–1.41 Å. In the third B site, B is bonded in a trigonal planar geometry to three O atoms. There are a spread of B–O bond distances ranging from 1.37–1.39 Å. In the fourth B site, B is bonded to four O atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.47–1.51 Å. In the fifth B site, B is bonded to four O atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.45–1.52 Å. There are ten inequivalent O sites. In the first O site, O is bonded in a bent 120 degrees geometry to two B atoms. In the second O site, O is bonded in a distorted bent 120 degrees geometry to two equivalent Ba and two B atoms. In the third O site, O is bonded in a bent 120 degrees geometry to two equivalent Ba and two B atoms. In the fourth O site, O is bonded in a distorted bent 120 degrees geometry to one Ba and two B atoms. In the fifth O site, O is bonded in a distorted bent 120 degrees geometry to two equivalent Ba and two B atoms. In the sixth O site, O is bonded in a distorted bent 120 degrees geometry to one Ba and two B atoms. In the seventh O site, O is bonded in a bent 120 degrees geometry to two B atoms. In the eighth O site, O is bonded in a distorted bent 120 degrees geometry to one Ba and two B atoms. In the ninth O site, O is bonded in a distorted single-bond geometry to one B and one O atom. The O–O bond length is 1.35 Å. In the tenth O site, O is bonded in a bent 120 degrees geometry to one Ba and one O atom.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Ba2Li(BO2)5 by Materials Project

Ba2LiB5O10 crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with four equivalent BO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.90–1.96 Å. Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.69–3.07 Å. There are three inequivalent B3+ sites. In the first B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one BO4 tetrahedra and corners with two equivalent LiO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.47–1.50 Å. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.35 Å) and two longer (1.40 Å) B–O bond length. 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 1.35–1.42 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one Ba2+ and two B3+ atoms. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to two equivalent Ba2+ and two B3+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+ and two equivalent B3+ atoms. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Li1+, two equivalent Ba2+, and one B3+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to three equivalent Ba2+ and one B3+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Ba2+, and two B3+ atoms.

36 MATERIALS SCIENCE↗