. Author manuscript; available in PMC: 2009 Nov 19.

Published in final edited form as: J Am Chem Soc. 2008 Oct 28;130(46):15405–15419. doi: 10.1021/ja803575y

Table 4.

Intrinsic enthalpies (in kcal/mol) of complexation of Na⁺ and K⁺ ions with methanol (CH₃OH) and formamide (NH₂CHO) molecules, presented relative to their corresponding values with water molecules.

n	$Δ Δ H_{n, Γ}^{A} (g_{W} \to g_{B}) = Δ H_{n, Γ}^{A} (g_{B}) - Δ H_{n, Γ}^{A} (g_{W})$
	B ≡ CH₃OH		B ≡ NH₂CHO
	A ≡ Na⁺	A ≡ K⁺	A ≡ Na⁺	A ≡ K⁺
1	-2.1	-1.3	-11.5	-9.3
2	-3.4	-2.1	-19.0	-15.4
3	-3.9	-2.6	-21.0	-18.3
4	-3.9	-2.7	-20.0	-18.7
5	-3.9	-3.3	-19.4	-25.3
6	-5.0	-4.4	-14.8	-25.6
7		-5.4		-25.6
8		-5.1		-24.3