. 2009 Mar 18;10(3):1271–1289. doi: 10.3390/ijms10031271

Table 5.

Overview of experimental (superscript exp) and estimated (superscript est) water solubility data, sorted by the estimated values. Δ_est,exp is the difference between estimated and observed values on a log scale. The model based on all suitable data was used for the estimation.

Cation^[a]	Anion^[b]	${log}_{10} x_{IL, w}^{sat, exp}$	${log}_{10} x_{IL, w}^{sat, est}$	Δ_est,exp	Temperature [K]
IM16	(C₂F₅)₃PF₃	−5.93	−5.98	−0.05	293.15
Pyr14	(C₂F₅)₃PF₃	−5.43	−5.39	0.04	293.15
Py8-4Me	(C₂F₅SO₂)₂N	−5.4 [21]	−5.11	0.29	298.15
IM16	(CF₃SO₂)₃C	−5.04	−4.99	0.05	293.15
IM18	(C₂F₅SO₂)₂N	−4.7 [23]	−4.99	−0.29	298
Py8-4Me	AsF₆	−4.91 [21]	−4.91	0	298.15
Py8-4Me	(CF₃SO₂)₂N	−5.09 [21]	−4.66	0.43	298.15
Pyr18	(CF₃SO₂)₂N	−4.71 [22]	−4.56	0.15	298
IM18	(CF₃SO₂)₂N	−4.5 [25]	−4.54	−0.04	288.15
IM18	(CF₃SO₂)₂N	−4.59	−4.54	0.05	293.15
IM18	(CF₃SO₂)₂N	−4.1 [27]	−4.54	−0.44	293.15
IM18	(CF₃SO₂)₂N	−4.49 [25]	−4.54	−0.05	293.15
IM18	(CF₃SO₂)₂N	−4.14 [24]	−4.54	−0.4	296.5
IM18	(CF₃SO₂)₂N	−4.1 [26]	−4.54	−0.44	298
IM18	(CF₃SO₂)₂N	−4.6 [23]	−4.54	0.06	298
IM18	(CF₃SO₂)₂N	−4.47 [25]	−4.54	−0.07	298.15
Py6-4NMe2	(CF₃SO₂)₂N	−4.53	−4.5	0.03	293.15
Py6-4NMe2	(CF₃SO₂)₂N	−4.53 [24]	−4.5	0.03	296.5
IM14	(CF₃SO₂)₃C	−4.44 [24]	−4.49	−0.05	296.5
Py8-4Me	(C₄F₉)SO₃	−4.63 [21]	−4.35	0.28	298.15
IM17	(CF₃SO₂)₂N	−4.31 [25]	−4.29	0.02	288.15
IM17	(CF₃SO₂)₂N	−4.3 [25]	−4.29	0.01	293.15
IM17	(CF₃SO₂)₂N	−4.29 [25]	−4.29	0	298.15
IM18	(C₄F₉)SO₃	−4.23 [26]	−4.24	−0.01	298
IM16-2Me	(CF₃SO₂)₂N	−4.15 [24]	−4.12	0.03	296.5
IM16	(CF₃SO₂)₂N	−4.05 [25]	−4	0.05	288.15
IM16	(CF₃SO₂)₂N	−4.18	−4	0.18	293.15
IM16	(CF₃SO₂)₂N	−3.86 [27]	−4	−0.14	293.15
IM16	(CF₃SO₂)₂N	−4.05 [25]	−4	0.05	293.15
IM16	(CF₃SO₂)₂N	−4.03 [24]	−4	0.03	296.5
IM16	(CF₃SO₂)₂N	−4.02 [25]	−4	0.02	298.15
Pyr16	(CF₃SO₂)₂N	−4.12	−3.94	0.18	293.15
IM18	PF₆	−3.95 [28]	−3.91	0.04	288.15
IM18	PF₆	−3.92 [28]	−3.91	0.01	293.15
IM18	PF₆	−3.93	−3.91	0.02	293.15
IM18	PF₆	−3.46 [30]	−3.91	−0.45	295
IM18	PF₆	−3.9 [28]	−3.91	−0.01	298.15
IM15	(CF₃SO₂)₂N	−3.74 [25]	−3.72	0.02	288.15
IM15	(CF₃SO₂)₂N	−3.73 [25]	−3.72	0.01	293.15
IM15	(CF₃SO₂)₂N	−3.71 [25]	−3.72	−0.01	298.15
Py8-4Me	PhBF₃	−3.6 [21]	−3.6	0	298.15
Py4-3Me	(CF₃SO₂)₂N	−3.7 [24]	−3.55	0.15	296.5
Py4-4Me	(CF₃SO₂)₂N	−3.69 [26]	−3.55	0.14	298
Pip14	(CF₃SO₂)₂N	−3.78 [22]	−3.51	0.27	298
IM14	(CF₃SO₂)₂N	−3.54 [25]	−3.5	0.04	288.15
IM14	(CF₃SO₂)₂N	−3.5	−3.5	0	293.15
IM14	(CF₃SO₂)₂N	−3.53 [25]	−3.5	0.03	293.15
IM14	(CF₃SO₂)₂N	−3.46 [27]	−3.5	−0.04	293.15
IM14	(CF₃SO₂)₂N	−3.49 [29]	−3.5	−0.01	294.15
IM14	(CF₃SO₂)₂N	−3.5 [24]	−3.5	0	296.5
IM14	(CF₃SO₂)₂N	−3.51 [26]	−3.5	0.01	298
IM14	(CF₃SO₂)₂N	−3.51 [25]	−3.5	0.01	298.15
Pyr14	(CF₃SO₂)₂N	−3.57	−3.41	0.16	293.15
Pyr14	(CF₃SO₂)₂N	−3.59 [22]	−3.41	0.18	298
IM16	PF₆	−3.45 [28]	−3.37	0.08	288.15
IM16	PF₆	−3.35	−3.37	−0.02	293.15
IM16	PF₆	−3.41 [28]	−3.37	0.04	293.15
IM16	PF₆	−3.36 [28]	−3.37	−0.01	298.15
IM13	(CF₃SO₂)₂N	−3.29 [25]	−3.28	0.01	288.15
IM13	(CF₃SO₂)₂N	−3.28 [25]	−3.28	0	293.15
IM13	(CF₃SO₂)₂N	−3.27 [25]	−3.28	−0.01	298.15
Py4-4Me	(C₄F₉)SO₃	−3.03 [26]	−3.25	−0.22	298
IM14	(C₄F₉)SO₃	−3.15 [26]	−3.2	−0.05	298
IM12	(CF₃SO₂)₂N	−3.12 [25]	−3.1	0.02	288.15
IM12	(CF₃SO₂)₂N	−3.08 [27]	−3.1	−0.02	293.15
IM12	(CF₃SO₂)₂N	−3.1 [25]	−3.1	0	293.15
IM12	(CF₃SO₂)₂N	−3.1 [24]	−3.1	0	296.5
IM12	(CF₃SO₂)₂N	−3.08 [25]	−3.1	−0.02	298.15
Py8-4Me	CF₃SO₃	−3.09 [21]	−3.09	0	298.15
Mor11O2	(CF₃SO₂)₂N	−3.19	−3.06	0.13	293.15
Py8-4Me	BF₄	−2.98 [21]	−3.01	−0.03	298.15
IM18	BF₄	−2.93 [30]	−2.9	0.03	295
IM14	PF₆	−3 [28]	−2.87	0.13	288.15
IM14	PF₆	−2.8 [27]	−2.87	−0.07	293.15
IM14	PF₆	−2.9	−2.87	0.03	293.15
IM14	PF₆	−2.96 [28]	−2.87	0.09	293.15
IM14	PF₆	−2.93 [31]	−2.87	0.06	294
IM14	PF₆	−2.87 [29]	−2.87	0	294.15
IM14	PF₆	−2.89 [30]	−2.87	0.02	295
IM14	PF₆	−2.9 [24]	−2.87	0.03	296.5
IM14	PF₆	−2.92 [28]	−2.87	0.05	298.15
Py3OH	(CF₃SO₂)₂N	−2.43	−2.83	−0.4	293.15
IM12OH	(CF₃SO₂)₂N	−2.34 [24]	−2.66	−0.32	296.5
IM12	B(CN)₄	−2.46 [24]	−2.46	0	296.5
N4444	(6-2Et)2SS	−1.52 [32]	−1.52	0	298

^[a]

Cation acronyms explained in Table 1

^[b]

(6-2Et)-2SS = bis(2-ethylhexyl)sulfosuccinate