Materials Data on TbBi2BrO4 by Materials Project
TbBi2O4Br is alpha bismuth trifluoride-derived structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Tb3+ is bonded in a body-centered cubic geometry to eight equivalent O2- atoms. All Tb–O bond lengths are 2.41 Å. Bi3+ is bonded in a 4-coordinate geometry to four equivalent O2- and four equivalent Br1- atoms. All Bi–O bond lengths are 2.26 Å. All Bi–Br bond lengths are 3.50 Å. O2- is bonded to two equivalent Tb3+ and two equivalent Bi3+ atoms to form a mixture of corner and edge-sharing OTb2Bi2 tetrahedra. Br1- is bonded in a body-centered cubic geometry to eight equivalent Bi3+ atoms.
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