Figure 1

Molecular crystal structure of XTiBr3 (X = Rb, Cs); here, the dark blue sphere (
) represents Rb and Cs, the pink sphere (
) Br, and the red sphere (
) Ti.

Molecular crystal structure of XTiBr3 (X = Rb, Cs); here, the dark blue sphere (
) represents Rb and Cs, the pink sphere (
) Br, and the red sphere (
) Ti.