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.