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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on PrBrO by Materials Project

PrOBr crystallizes in the trigonal R-3m space group. The structure is two-dimensional and consists of three PrOBr sheets oriented in the (0, 0, 1) direction. Pr3+ is bonded in a 7-coordinate geometry to four equivalent O2- and three equivalent Br1- atoms. There are one shorter (2.40 Å) and three longer (2.43 Å) Pr–O bond lengths. All Pr–Br bond lengths are 3.07 Å. O2- is bonded to four equivalent Pr3+ atoms to form a mixture of edge and corner-sharing OPr4 tetrahedra. Br1- is bonded in a 3-coordinate geometry to three equivalent Pr3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on PrBrO by Materials Project

PrOBr is Matlockite structured and crystallizes in the tetragonal P4/nmm space group. The structure is two-dimensional and consists of one PrOBr sheet oriented in the (0, 0, 1) direction. Pr3+ is bonded in a 4-coordinate geometry to four equivalent O2- and four equivalent Br1- atoms. All Pr–O bond lengths are 2.37 Å. All Pr–Br bond lengths are 3.30 Å. O2- is bonded to four equivalent Pr3+ atoms to form a mixture of edge and corner-sharing OPr4 tetrahedra. Br1- is bonded in a 4-coordinate geometry to four equivalent Pr3+ atoms.

36 MATERIALS SCIENCE↗