4-Hydroxy-2,2,6,6-tetramethylpiperidinium trichloroacetate

In the crystal structure of the title compound, C9H20NO+·Cl3CCOO−, the cations and anions are connected via O—H...O, N—H...O, O—H...Cl and N—H...Cl hydrogen bonding. The six-membered ring adopts a chair conformation with the hydroxyl group in an equatorial position