# Full and privileged xtb integration?

**URL:** <https://discuss.avogadro.cc/t/full-and-privileged-xtb-integration/4953>\
**Category:** Development\
**Created:** [November 7, 2023, 7:58pm UTC](https://discuss.avogadro.cc/t/full-and-privileged-xtb-integration/4953 "2023-11-07T19:58:31Z")\
**Posts on this page:** 1\
**Showing post:** 18

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**Author:** ![ghutchis](https://discuss.avogadro.cc/user_avatar/discuss.avogadro.cc/ghutchis/32/456_2.png) [@ghutchis](https://discuss.avogadro.cc/u/ghutchis)\
**Post date:** [November 13, 2023, 2:37am UTC](https://discuss.avogadro.cc/t/full-and-privileged-xtb-integration/4953/18 "2023-11-13T02:37:23Z")

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> [@matterhorn103](#):
>
> Perhaps using that would be faster for use in your framework? And allow using GFN2-xTB for live optimization?

Maybe? It would certainly solve the issue with [GFN-FF returns an energy of 0](https://discuss.avogadro.cc/t/gfn-ff-returns-an-energy-of-0/4965) … but GFN2 is decidedly slower than GFN-FF.

And yes, I think having some simple scripts to calculate orbitals, vibrations, and run `crest` would be great.

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