Determination of the dipole moment of Indole

Determination of the dipole moment of Indole

Chemistry

Dreyfuss, Robert George

6/1/1952

The purpose of this research was to determine the dipole moment of indole, by a method that involves using the Yellow Springs Instrument Company's Dielectric Constant Meter. The application of this new instrument made it necessary to determine its applicability and accuracy in this particular experiment. The experimental part of this research is comprised of the determination of the dipole moments of four compounds. The compounds and solvents used are as follows: 1. Meta-dinitrobenzene in benzene 2. Paranitrotoluene in dioxene 3. Benzotriazole in dioxene 4. D indole in dioxene B indole in benzene The first two compounds were used as standards and the third as a semi-standard, the latter is thus classified due to the fact that only one determination of its dipole moment is mentioned in the literature (8).

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