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DOE OSTI2020

Materials Data on BAsO4 by Materials Project

BAsO4 crystallizes in the trigonal P3_121 space group. The structure is three-dimensional. B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share corners with four equivalent AsO4 tetrahedra. All B–O bond lengths are 1.48 Å. As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with four equivalent BO4 tetrahedra. There is two shorter (1.71 Å) and two longer (1.72 Å) As–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one B3+ and one As5+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one B3+ and one As5+ atom.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on BAsO4 by Materials Project

BAsO4 crystallizes in the tetragonal I-4 space group. The structure is three-dimensional. B3+ is bonded to four equivalent O2- atoms to form BO4 tetrahedra that share corners with four equivalent AsO4 tetrahedra. All B–O bond lengths are 1.48 Å. As5+ is bonded to four equivalent O2- atoms to form AsO4 tetrahedra that share corners with four equivalent BO4 tetrahedra. All As–O bond lengths are 1.72 Å. O2- is bonded in a bent 120 degrees geometry to one B3+ and one As5+ atom.

36 MATERIALS SCIENCE↗