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

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Solvent systems such as CHCl3/CCl4 or CDCl3/CCl4 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 % CHCl3/CCl4 or CDCl3/CCl4 increases.

Keywords: IR group frequencies; Infrared; Solvent studies

Document Type: Research Article


Affiliations: Analytical Sciences Laboratory, 1897F Building, The Dow Chemical Company, Midland, Michigan 48667

Publication date: October 1, 1992

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