Analysis of the Nuclear Magnetic Resonance Spectrum of a Six-Spin System of Monofluorobenzene

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Abstract
This paper is concerned with the general analysis of a six‐spin system belonging to the point group C2V, using monofluorobenzene as an example. The apparatus used for the NMR measurements is the one constructed in this laboratory, operating at 27.030 Mc. The absorption lines calculated suggest the doublet structure of the spectrum, which is consistent with the observed spectrum. It was confirmed that this doublet structure is due to the spin‐spin couplings of the ring protons with fluorine. More precise comparison of the calculated results with the observed spectrum was made by integrating the intensities of the lines having a suitable line shape and width. It was noted that this procedure for constructing the absorption spectrum from the calculated lines is useful in the discussion of the power of resolution of the apparatus and the type of line shape.