Fapbi3 Cif File -

The search is almost certainly for Formamidinium Lead Iodide ($\alpha$-FAPbI$_3$) , a star material in the field of photovoltaics.

If you are looking for this specific file, it is highly likely that you are encountering a data entry error, a typo, or a confusion of chemical nomenclature. There is currently no standard, peer-reviewed material in the Inorganic Crystal Structure Database (ICSD) or the Cambridge Structural Database (CSD) listed simply as "fapbi3." fapbi3 cif file

If you are looking to download these files for your research, the most reliable databases are: The search is almost certainly for Formamidinium Lead