There is also an N1—H1⋯O4 hydrogen bond amongst the indole nitrogen and the other oxygen with the carboxylate group over a symmetry-generated fumarate dianion (Table two Displacement ellipsoids are drawn in the fifty% chance amount. Hydrogen atoms not linked to hydrogen bonding are omitted for clarity. Hydrogen bonds are demonstrated https://5-meo-dalt-freebase93714.nytechwiki.com/9724516/5_meo_dalt_freebase_things_to_know_before_you_buy