> For the complete documentation index, see [llms.txt](https://docs.materialsproject.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.materialsproject.org/apps/analysis-apps/pourbaix-app/faq-+-known-issues.md).

# FAQ

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Known issue: there is a problem generating Pourbaix diagrams for Zn-S [(kindly reported by lshiau on the forum)](https://matsci.org/t/unable-to-generate-pourbaix-diagram-zns/43329). This is under investigation.
{% endhint %}
