Chen, C., Li, Y., Jin, C., Ok, K. M. (2025). CsICl<sub>2</sub>: A Record-Birefringent Inorganic Crystal with Ultrawide Infrared Transparency Enabled by Linear Interhalogen ICl<sub>2</sub><sup>–</sup> Units. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.5c10200