Table 5 Kinetic parameters (Ea and ΔG) for the protonation of trans-PA (in kJ mol−1) at 298.15 K.

From: Computational study of the unimolecular and bimolecular decomposition mechanisms of propylamine

Transition states

B3LYP/6-31G(d)

B3LYP/6-311++G(3df,3pd)

CBS-QB3

Ea

ΔG

Ea

ΔG

Ea

ΔG

TSN

21

14

16

18

17

20

TSO

384

394

387

401

316

326

TSP

449

464

447

468

448

467