# Is iron(iii) hydroxide equivalent to hydrated iron(iii) oxide? [duplicate]

Are the chemicals $$\ce{Fe(OH)3}$$ and $$\ce{Fe2O3⋅3H2O}$$ equivalent? They are both network solids and have the same empirical formula but I know that doesn't always mean they are structurally the same.

• I'd rather not use long words. These two are the same. Nov 13 '20 at 11:05
• Note that iron(III) hydroxide/hydrated oxide, or more generally all/most such substances of transient metals, do not have well defined structure nor composition. Nov 13 '20 at 11:42
• Our lab did over a thousand XRD patterns of corrosion deposits and these compound patterns often showed up , Technicians spent hours with the Fink Index trying to separate them . From a practical corrosion prevention perspective , it makes no difference. Nov 13 '20 at 17:13