Table 2.
Experimental glass, Tg, cold crystallization, Tcc, solid-solid, Tss, melting, Tm, temperatures, enthalpies, ΔH(T), and entropies of transitions, ΔS(T) for the studied ILs.
| Ionic Liquid | T / K | ΔH(T) / kJ∙mol-1 | ΔS(T) / J∙K-1∙mol-1 |
|---|---|---|---|
| [1C1Him][NTf2] | 321.5 ± 0.5 (Tm) | 24.1 ± 0.7 | 75.0 ± 2.2 |
| [1C2Him][NTf2] | 184.2 ± 0.5 (Tg) | ||
| 206.6 ± 0.5 (Tcc) | |||
| 263.5 ± 0.5 (Tss) | 1.8 ± 0.7 | 6.7 ± 2.6 | |
| 275.5 ± 0.5 (Tm) | 14.2 ± 0.7 | 51.5 ± 2.5 | |
| [1C12C1Him][NTf2] | 311.0 ± 0.5 (Tm) | 19.2 ± 0.7 | 61.7 ± 2.2 |
| [1C13C1im][NTf2] | 176.4 ± 0.5 (Tg) | ||
| 293.2 ± 0.5 (Tm) | 22.0 ± 0.7 | 75.0 ± 2.4 | |
| [299 (Tm)]34 | [24.5]34 | [81.7]34 | |
| [1C23C1im][NTf2] | 178.3 ± 0.5 (Tg) | ||
| [186 (Tg)]34 | |||
| 206.8 ± 0.5 (Tcc) | |||
| 260.0 ± 0.5 (Tm) | 21.3 ± 0.7 | 81.9 ± 2.7 | |
| [291(Tm)]34 | [24.8 ΔH(Tm)]34 | [97.1 ΔS(Tm)]34 | |
| [1C33C1im][NTf2] | 179.6 ± 0.5 (Tg) | - | - |
| [184.0(Tg)]6 | |||
| [1C43C1im][NTf2] | 182.1 ± 0.5(Tg) | - | - |
| [186 (Tg)]34 | |||
| [181.5 ± 0.1(Tg)]36 | |||
| [1C23C2im][NTf2] | 286.3 ± 0.5 (Tm) | 29.1 ± 0.7 | 101.6 ± 2.4 |
| [262.6 ± 0.1(Tm)]35 | [20.4 ± 0.3]35 | ||
| [285.5 (Tm)]6 | |||
| [1C23C3im][NTf2] | 179.5 ± 0.5(Tg) | - | - |
| [1C53C1im][NTf2] | 183.8 ± 0.5(Tg) | - | - |
| [186.5(Tg)]6 | |||
| [1C33C3im][NTf2] | 180.9 ± 0.5(Tg) | - | - |
| [1C42C13C1im][NTf2] | 191.5 ± 0.5(Tg) | - | - |