to the unmodified ZIF-62 glass. Notably, the peak at ~2.1 Å broadens and shifts toward a higher interatomic distance, consistent with the expected Zn-Cl bond (~2.2 Å) (see Fig. ) compared to the existing Zn-N bond (~2.0 Å) . Similarly, we observe a broadening and decrease of intensity of the peak at ~6 Å, corresponding to the Zn-Zn correlation, thus indicating a reduction in the number of bridging Im species (i.e., Zn-Im-Zn), which we again interpret as being due to the incorporation of Cl. These findings support a mechanism of depolymerization of the ZIF network through partial (benz)imidazolate linker exchange for Cl.