For solvatochromic dipolarity micro-sensor behavior in binary solvent systems of the (Water + Ionic Liquid) type. Application of preferential solvation model and linear solvation energy relationships






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títuloFor solvatochromic dipolarity micro-sensor behavior in binary solvent systems of the (Water + Ionic Liquid) type. Application of preferential solvation model and linear solvation energy relationships
fecha de publicación28.08.2016
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Supplementary Material

For

solvatochromic dipolarity micro-sensor behavior in binary solvent systems of the (Water + Ionic Liquid) type. Application of preferential solvation model and linear solvation energy relationships

Claudia G. Adam * a, M. Virginia Bravo, Pedro M. E. Mancini, Graciela G. Fortunato

* Departamento de Química, Área Química Orgánica, Facultad de Ingeniería Química, Universidad Nacional del Litoral, Santiago del Estero 2829, (3000) Santa Fe

República Argentina, Tel: +54-0342-4571164 (2539), FAX: +54-0342-4571164 (2535)

* cadam@conicet.gov.ar.

a Researcher from National Council of Scientific and Technical Research (CONICET), Argentina

Supplementary Material: Table of Contents

Table 1 SM: Preferential Solvation Parameters obtained by application of eqs 1 and 2 to experimental wavenumbers, 104 (cm-1) of indicators IA, II, III, IV, and V in (W + [C4mim] [Br] / [BF4]) systems at 25ºC.

Figure 1 SM

Variation of α parameter from dyes II-IV and III-V with IL concentration (mol L-1) for (W + [C4mim] [Br] / [BF4]) systems

Figure 2 SM

Variation of α parameter from dyes II-IV and III-V with IL mole fraction for (W + [C4mim] [Br] / [BF4]) systems

Table 1 SM: Preferential Solvation Parameters obtained by application of eqs 1 and 2 to experimental wavenumbers, 104 (cm-1) of indicators IA, II, III, IV, and V in (W + [C4mim] [Br] / [BF4]) systems at 25ºC


Probe

[C4mim] [A] (mol L-1)

[C4mim] [A] mole fraction

Y1

Y2

Y12

f2/1

f12/1

f12/2

k

ssra

IA

[C4mim] [BF4]




24.44

23.48

23.39

0.61

1.84

3.02

-1.03

2.6 10-2




[C4mim] [Br]




24.4

23.0

23.5

0.013

1.13

86.61

-1.04

5.2 10-2







[C4mim] [BF4]

24.44

21.49

22.56

2.23

8.40

3.77

-3.3 10-3

2.4 10-2







[C4mim] [Br]

24.08

22.13

19.68

0.97

1 10-4

1 10-4

-3.61

3.6 10-2

II

[C4mim] [BF4]




23.25

23.67

23.16

0.948

1.045

1.10

-0.370

3.5 10-4




[C4mim] [Br]




23.26

23.28

23.12

0.174

9.80

56.32

1.29

7.0 10-4







[C4mim] [BF4]

23.26

24.17

23.56

88.46

50.23

0.57

0.167

2.0 10-3







[C4mim] [Br]

23.25

23.72

22.81

6.59

3.73

0.57

0.032

2.0 10-3

III

[C4mim] [BF4]




31.55

31.69

32.04

4.09

1.49

0.36

-0.236

3.2 10-4




[C4mim] [Br]




31.55

31.14

43.63

0.305

0.026

0.085

0.464

2.0 10-2







[C4mim] [BF4]

31.55

32.04

31.95

1.26

6.34

5.03

-0.690

1.5 10-3







[C4mim] [Br]

31.55

31.15

48.52

2.58

1.4 10-3

5 10-4

-0.663

2.0 10-3

IV

[C4mim] [BF4]




26.41

26.28

25.93

1.15

8.39

7.29

1 10-4

1.9 10-4




[C4mim] [Br]




26.41

25.72

25.94

3.18

6.95

2.18

-0.996

3.6 10-3







[C4mim] [BF4]

26.41

26.82

24.27

4.14

0.86

0.21

0.947

2.0 10-3







[C4mim] [Br]

26.40

25.64

25.55

1 10-4

29.94

299.4

-1.08

3.7 10-2

V

[C4mim] [BF4]




31.55

31.95

31.48

0.24

10.53

43.87

1 10-6

9.4 10-3




[C4mim] [Br]




31.47

30.97

31.01

0.27

0.45

1.68

3.17

4.8 10-2







[C4mim] [BF4]

31.55

32.16

34.03

18.3

6.91

0.38

-7.85

3.6 10-2







[C4mim] [Br]

30.96

30.94

30.18

31.00

1 10-4

3.2 10-4

2.43

5.2 10-2

a ssr (regression sum of squares)

Figure 1 SM

Variation of α parameter from dyes II-IV and III-V with IL concentration (mol L-1) for (W + [C4mim] [Br] / [BF4]) systems



Figure 2 SM

Variation of α parameter from dyes II-V and III-V with IL mole fraction for (W + [C4mim] [Br] / [BF4]) systems


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