Empirical electronic polarizabilities of iodine (I−) and bromine (Br−, Br7+) for the prediction of refractive indices

Nezamabadi, Shaghayegh; Fuzon, Patrick A.; Kraus, Florian; Fischer, Reinhard X.

doi:10.5194/ejm-37-889-2025

Articles | Volume 37, issue 6

https://doi.org/10.5194/ejm-37-889-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/ejm-37-889-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 37, issue 6

Research article

|

01 Dec 2025

Research article |

| 01 Dec 2025

Empirical electronic polarizabilities of iodine (I⁻) and bromine (Br⁻, Br⁷⁺) for the prediction of refractive indices

Shaghayegh Nezamabadi, Patrick A. Fuzon, Florian Kraus, and Reinhard X. Fischer

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Short summary

We conducted experimental and computational studies, compiling datasets of compounds with established refractive indices and supplementing them with our measurements of compounds containing I⁻, Br⁻, or Br⁷⁺. We calculated the electronic polarizabilities of these ions to estimate the mean refractive index of I- and Br-containing compounds. Results were compared to the Gladstone–Dale approach, confirming their reliability in predicting optical properties.


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