. Author manuscript; available in PMC: 2008 Aug 25.

Published in final edited form as: J Org Chem. 2006 Sep 15;71(19):7180–7184. doi: 10.1021/jo060896b

Table 2. Enthalpies of Solvent Transfer, δΔH_sol, of Compounds and Ions (kcal/mol).

Species of Interest	Solvent Transfer H₂O → 0.6 (mol) aq DMSO δAH_sol (kcal/mol)
(Bu)₄N⁺^a	10.8 ± 0.1
3(Bu)₄N⁺ PO₄^3-	-3.56 ± 0.91
PO₄^3-	-36.0 ± 0.9
2(Bu)₄N⁺ pNPP^2-	-2.3 ± 0.4
pNPP^2-	-23.9 ± 0.3
2(Bu)₄N⁺ PP^2-	-1.6 ± 0.4
PP^2-	-23.2 ± 0.4
2(Bu)₄N⁺ PPT^2-	-1.6 ± 0.5
PPT^2-	-23.2 ± 0.6

literature value. ⁷

Table 2. Enthalpies of Solvent Transfer, δΔHsol, of Compounds and Ions (kcal/mol).