AbstractThe ESR. spectrum of the phenalenyl radical has been reexamined under increased resolution. The proton coupling constants (a1 = 6,29 and a2 = 1,805 gauss) are in agreement with the values reported by BENNETT [3]. Two 13C coupling constants have been determined (aC1 = 9,66 and aC2 ≈︁ aC10 = 7,84 gauss) and their assignment has been discussed.
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