# Tag Info

Any parameters are better than no parameters. Part of using a FF is checking that results make sense, so if you can find something in this bare market for anions, try it. Proof will be in the pudding. LigParGen can only generate ions between -2 and +2 charge, so $\ce{PO4^3-}$ is out. When I tried with $\ce{SO4^2-}$, it did not work. $\ce{H2SO4}$ also did not ...