This is the data repository of the publication "On the role of internal degrees of freedom in structural relaxation of ring-tail structured liquids across temperature regimes". The folders named figure2-figure7 contain the data presented and/or analyzed in the respective figures of the main manuscript. The folders named S1 and S2 contain the data presented and/or analyzed in the supporting information. The folder MD_simulations contains all the data produced for this work by means of MD simulations. Every folder contains an additional README.txt file further explaining its content.