Spectra and structure of binary azeotropes I. Acetone-chloroform

Spectra and structure of binary azeotropes I. Acetone-chloroform

Some characteristic vibrational modes of acetone and chloroform change due to the azeotrope formation. The extend of interaction of these molecules has significant effects on some vibrational modes involved, depending on unit structure in azeotrope cluster. Besides (1)H NMR signals undergo some chem...

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Veröffentlicht in:Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy Molecular and biomolecular spectroscopy, 2005-11, Vol.62 (1-3), p.322-325
Hauptverfasser: Jalilian, M R, Alibabaei, L
Format: Artikel
Sprache:eng
Schlagworte:
Acetone - chemistry
Chloroform - chemistry
Hydrogen Bonding
Magnetic Resonance Spectroscopy
Models, Molecular
Spectroscopy, Fourier Transform Infrared - methods
Vibration
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Alibabaei, L
description Some characteristic vibrational modes of acetone and chloroform change due to the azeotrope formation. The extend of interaction of these molecules has significant effects on some vibrational modes involved, depending on unit structure in azeotrope cluster. Besides (1)H NMR signals undergo some chemical shifts, which show the effect of oncoming molecules on the target molecule. FT-IR and (1)H NMR spectra of pure substances and corresponding azeotrope were recorded, mutual influences due to azeotrope formation based on mole ratio, boiling point and spectral changes has been discussed. Unit structure of cluster deduced by investigating fundamental frequency shifts and (1)H NMR chemical shifts.
doi_str_mv 10.1016/j.saa.2004.12.046
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subjects Acetone - chemistry
Chloroform - chemistry
Hydrogen Bonding
Magnetic Resonance Spectroscopy
Models, Molecular
Spectroscopy, Fourier Transform Infrared - methods
Vibration
title Spectra and structure of binary azeotropes I. Acetone-chloroform
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