Handbook of Solvents - George Wypych - ChemTech - Ventech!

266 Valery Yu. Senichev, Vasiliy V. Tereshatov
Table 5.3.5 Increments of atoms or groups of atoms required in equation [5.3.3]
Atoms or their groups ΔVi��� 3
Atoms or their groups ΔVi��� 3
−CH 3 23.2 (22.9) >CH 2 17.1 (16.8, 16.4)
>CH 11.0 (10.7,10.4) C 5.0 (4.7,4.5)
=CH 2 21.1 −CH= 15.1 (14.7)
−O− 3.4 (2.7, 2.1) −OH 10.3 (9.9)
>CO- 18.65 (18.35,18.15) −NH− 8.8 (8.5)
−NH 2 16.1 −CN 25.9
−F 9.0 (8.9) −Cl 19.9 (19.5)
The values in brackets correspond to one and two neighboring aromatic carbon atoms. In other cases values are
given for the aliphatic neighboring carbon atoms.
Table 5.3.6. Hansen’s parameters 12
Atom (group) ΔV, cm 3 /mol
Vδ p , (cal
cm/mol) 1/2
2
Vδh, cal/mol
aliphatic aromatic
−F 18.0 12.55±1.4 ~0 ~0
−Cl 24.0 12.5±4.2 100±200 100±20
>Cl2 26.0 6.7±1.0 165±10 180±10
−Br 30.0 10.0±0.8 500±10 500±100
−I 31.5 10.3±0.8 1000±200 -
−O 3.8 53±13 1150±300 1250±300
>CO 10.8 36±1 800±250 400±125
>COO 18.0 14±1 1250±150 800±150
−CN 24.0 22±2 500±200 550±200
−NO2 33.5 15±1.5 400±50 400±50
−NH2 19.2 16±5 1350±200 2250±200
>NH 4.5 22±3 750±200 -
−OH 10.0 25±3 4650±400 4650±500
(−OH) n n 10.0 n (17±2.5) n (4650±400) n (4650±400)
−COOH 28.5 8±0.4 2750±250 2250±250
REFERENCES
1 M. Dunkel, Z. Phys. Chem., A138, 42 (1928).
2 P.A. Small, J. Appl. Chem., 3, 71 (1953).
3 G. Scatchard, J. Amer. Chem. Soc., 56, 995 (1934).
4 R.F. Fedors, Polym. Eng. Sci., 14, 147(1974).