Research papers often include large datasets as multi-part RAR files. The "part2" suffix indicates that you need all other parts (part1, part3, etc.) in the same folder to extract the contents.
Once you provide these details, I can search for the corresponding publication or technical documentation. Do you have the other parts of the RAR archive, or sc24338-THODV3.part2.rar
Are there any or institution names associated with the file? Research papers often include large datasets as multi-part
For example: