Protonated base	pK_a	∆H˚	∆S˚	∆C_p˚	Ref
(CH₃)₃CN⁺H₃	10.685	60,070	−3.1	15	[17 ]
(CH₃)₂(CH₂OH)CN⁺H₃	9.694	53,948	−4.9	−19	[18 ]
CH₃(CH₂OH)₂CN⁺H₃	8.797	49,794	−1.3	−45	[10 ] [18 ]
(CH₂OH)₃CN⁺H₃	8.072	47,488	4.8	−78	[9 ] [19 ]
OHCH₂CH₂N⁺H₃	9.498	50,543	−12.1	−4	[12 ]
(CH₂OH)₃N⁺H	8.075	47,614	5.1	−63	[17 ]
(CH₂CH₂OH)₃N⁺H	7.762	33,472	−36.4	52	[21 ]
(CH₂CH₂OH)₂N⁺H₂	8.816	42,426	−28	49	[10 ]
(CH₂OH)₃CN⁺H(C₂H₄OH)₂	6.483	28,238	−29.4	24	[11 ]
(CH₂OH)₃CN⁺H(C₂H₄OH)₂	6.483	28,273	−29.3	36	This work