You can download individual raw Raman spectra of the phases you are interested in from rruff.info. You can also find some information in this question on ResearchGate entitled "Free Database with Raman spectra" (https://www.researchgate.net/post/Free_Database_with_Raman_spectra). I hope it is useful to you.

You can see here

https://www.researchgate.net/post/Free_Database_with_Raman_spectra

Thanks for both of you!

Thanks Tamás.

For me it would be also enough to have a table with the Raman shift values characteristic for the most common bonds.

I am not sure what kind of sample you have. If it is related to proteins, you can read this paper for assignment of Raman bands.

' Laser-Excited Raman Spectroscopy of Biomolecules. VI. Polypeptides as Conformational Models'.

Thanks Daniel, I also investigate proteins, so its useful.

It is my pleasure. Are you working with food proteins or ... ?

Sometimes with HSA/BSA.

Gregory M. Banik , but that is not free neither the spectra are downloadable.

www.openspecy.org has quite a few free Raman spectra and you can analyze unknown spectra there too.

Thank you very much.

Hello Zsuzsanna Czibulya,

I guess Raman KnowItAll would be helpfull enough !

Please see the other question in this site. Rather big collections of databases.

https://www.researchgate.net/post/Free-Database-with-Raman-spectra

There is a useful list of softwars for raman analysis in the following link:

http://www.analyzetest.com/index.php/2021/01/17/free-software-for-raman-analysis/