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DOE OSTI2020

Materials Data on YbBr2 by Materials Project

YbBr2 is Hydrophilite structured and crystallizes in the orthorhombic Pnnm space group. The structure is three-dimensional. Yb2+ is bonded to six equivalent Br1- atoms to form a mixture of edge and corner-sharing YbBr6 octahedra. The corner-sharing octahedral tilt angles are 49°. There are four shorter (2.90 Å) and two longer (2.92 Å) Yb–Br bond lengths. Br1- is bonded in a distorted trigonal planar geometry to three equivalent Yb2+ atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on YbBr3 by Materials Project

YbBr3 is Aluminum trichloride-like structured and crystallizes in the trigonal R-3 space group. The structure is two-dimensional and consists of three YbBr3 sheets oriented in the (0, 0, 1) direction. Yb3+ is bonded to six equivalent Br1- atoms to form edge-sharing YbBr6 octahedra. There are three shorter (2.88 Å) and three longer (2.89 Å) Yb–Br bond lengths. Br1- is bonded in a water-like geometry to two equivalent Yb3+ atoms.

36 MATERIALS SCIENCE↗