Abstract
We introduce EXcitonic Analysis Tool (EXAT), a program able to compute optical spectra of large excitonic systems directly from the output of quantum mechanical calculations performed with the popular Gaussian 16 package. The software is able to combine in an excitonic scheme the singlechromophore properties and exciton couplings to simulate energies, coefficients, and excitonic spectra (UV-vis, CD, and LD). The effect of the environment can also be included using a Polarizable Continuum Model. EXAT also presents a simple graphical user interface, which shows on-screen both site and exciton properties. To show the potential of the method, we report two applications on a a chiral perturbed BODIPY system and DNA G-quadruplexes, respectively. The program is available online at http://molecolab.dcci.unipi.it/tools/.
| Original language | English |
|---|---|
| Pages (from-to) | 279-286 |
| Number of pages | 8 |
| Journal | Journal of Computational Chemistry |
| Volume | 39 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 15 Feb 2018 |
| Externally published | Yes |
Keywords
- Circular dichroism
- Coupling
- Excitonic
- Multichromophoric system
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