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Infrared Study of Some Organophosphorus Esters in Carbon Tetrachloride and/or Chloroform 1% Solutions

Richard A. Nyquist, C. W. Puehl

Open publisher page 9 citations

Abstract

Solvent systems such as CHCl 3 /CCl 4 or CDCl 3 /CCl 4 are useful in showing that organophosphorus esters do exist as rotational isomers in solution. The functional groups such as P=O and POR in organophosphorus esters are the sites of solute/solvent interaction, since their group frequencies are more affected than group frequencies arising primarily within the R group of the organophosphorus esters. This study also shows that different complexes are formed between the solute and solvent systems as well as within the solvent system as the mole % CHCl 3 /CCl 4 or CDCl 3 /CCl 4 increases.

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What this paper is about

Solvent systems such as CHCl 3 /CCl 4 or CDCl 3 /CCl 4 are useful in showing that organophosphorus esters do exist as rotational isomers in solution. The functional groups such as P=O and POR in organophosphorus esters are the sites of solute/solvent interaction, since their group frequencies are more affected than group frequencies arising primarily within the R group of the organophosphorus esters. This study also shows that different complexes are formed between the solute and solvent systems as well as within the solvent system as the mole % CHCl 3 /CCl 4 or CDCl 3 /CCl 4 increases.

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OpenAlex reports 9 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Solvent systems such as CHCl 3 /CCl 4 or CDCl 3 /CCl 4 are useful in showing that organophosphorus esters do exist as rotational isomers in solution. The functional groups such as P=O and POR in organophosphorus esters are the sites of solute/solvent interaction, since their group frequencies are more affected than group frequencies arising primarily within the R group of the organophosphorus esters. This study also shows that different complexes are formed between the solute and solvent systems as well as within the solvent system as the mole % CHCl 3 /CCl 4 or CDCl 3 /CCl 4 increases.

Key concepts: Chloroform, Carbon tetrachloride, Chemistry, Solvent, Infrared, Infrared spectroscopy, Solvent effects, Group (periodic table)

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