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Spectra and structure of binary azeotropes V-acetone-cyclopentane
Authors:Jalilian M R  Zahedi-Tabrizi Mansoureh
Affiliation:Department of Chemistry, Faculty of Science, Al-Zahra University, Vanak, Tehran, Iran. jalilianiraj@yahoo.com
Abstract:
Acetone and cyclopentane make a minimum boiling homogeneous binary azeotrope with mole ratio 2:3. Some characteristic vibrational modes, as well as (1)H NMR signals change due to the azeotrope formation. The extend of interaction of these molecules causes significant changes on some vibrational modes involved and (1)H NMR signals show some changes on their position. In this work the FTIR and (1)H NMR spectra of pure acetone, pure cyclopentane and corresponding azeotrope were recorded, mutual influences resulting from azeotrope formation have been analyzed, and spectral changes has been discussed. The unit-structure of cluster have been deduced, based on mole ratio, boiling point depression of constituents, and comparison between the spectra obtained by FTIR and (1)H NMR techniques.
Keywords:
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