The freebase oil (if it's purified), from what I've experienced, does not smell like rootbeer. Freebase I'd had the honor to be in the same room with, has kind of like a burnt-ketone / amine-fishy scent.
Btw, why are we pulling up old threads? Don't smoke pills. Nearly any person here could have told you that! You need a relatively purified product (or at least one that is intended to be burned) for it to be pleasantly smokable.