Enthalpy of solution of fullerene[60] in some aromatic solvents

Enthalpies of solution ( Δ solnH θ) of fullerene[60] in benzene, toluene, bromobenzene, 1,2-dichlorobenzene and nitrobenzene have been measured in a Precision Solution Calorimeter at 298 K, by using the ampoule breaking technique. The dissolution of C 60 in these aromatic organic solvents was observ...

Full description

Saved in:
Bibliographic Details
Published in:Journal of molecular liquids 2005-04, Vol.118 (1), p.9-13
Main Authors: Herbst, M.H., Dias, G.H.M., Magalhães, J.G., Tôrres, R.B., Volpe, P.L.O.
Format: Article
Language:English
Subjects:
Enthalpy of solution
Fullerene
Hildebrand's solubility parameter
Lewis acid
Polarizability
Solubility
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Enthalpies of solution ( Δ solnH θ) of fullerene[60] in benzene, toluene, bromobenzene, 1,2-dichlorobenzene and nitrobenzene have been measured in a Precision Solution Calorimeter at 298 K, by using the ampoule breaking technique. The dissolution of C 60 in these aromatic organic solvents was observed to be exothermic, with exception of benzene and nitrobenzene, in which the enthalpy is close to zero. From the experimental values of Δ solnH θ and solubility data of C 60 from the literature, Δ solnG θ and Δ solnS θ were calculated. We attempted to correlate ( Δ solnH θ) of C 60 in these solvents with the solubility, Hildebrand's solubility parameter and polarizability parameter. Thermodynamic data suggest that the process of dissolution of C 60 in the studied aromatic solvents is entropically controlled.
ISSN:0167-7322
1873-3166
DOI:10.1016/j.molliq.2004.07.003