Partial molar volumes of linear hydrocarbons in methanol in the very dilute region. Intermolecular interactions. H-bond effects

Literature Information

Publication Date 2001-01-19
DOI 10.1039/B008685L
Impact Factor 3.676
Authors

Ester F. G. Barbosa, Susana M. C. Sousa, M. Soledade C. S. Santos, Isabel M. S. Lampreia


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Abstract

Limiting partial molar volumes VB∞ for the linear hydrocarbons, C5, C6 , C7, C8 and C10 in methanol were determined with a vibrating tube densimeter at 24.994°C (ITS-90). VB∞ and bV were discussed in terms of solute–solvent and solute–solute molecular interactions, focusing on H-bond cleavage, hydrocarbon short-range correlations of molecular orbitals and conformational effects. VB∞ (HS)/VB (HS) values calculated according to Lee's hard-sphere mixtures model are compared with experimental values. A discussion is presented and deviations are interpreted in terms of size, shape, packing densities and H-bond effects.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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