. Author manuscript; available in PMC: 2006 Feb 13.

Published in final edited form as: J Am Chem Soc. 1997 Dec 10;119(49):11988–11989. doi: 10.1021/ja9711627

Table 1.

Measured Arrhenius Activation Parameters of Proton-Bound Amino Acid Dimers and Methyl Esters (ME) Obtained by BIRD

dimer	measured E_a (eV)	measured log A	master eq E_o (eV)
Arg	1.19 ± 0.05	12.8 ± 0.6	1.33 ± 0.08
ArgME·Arg	1.01 ± 0.03	11.2 ± 0.3	1.20 ± 0.05
ArgME	0.91 ± 0.05	12.0 ± 0.8	1.05 ± 0.05
Gly	0.96 ± 0.04	10.0 ± 0.5	1.15 ± 0.05
GlyME	0.86 ± 0.03	9.3 ± 0.4	1.10 ± 0.05
Ala	0.88 ± 0.04	9.5 ± 0.4	1.10 ± 0.05