Abstract
The infrared spectra of trifluoroamine oxide and its 15N analogue have been measured from 4000 to 260 cm−1. Fundamental frequency assignments (based upon C3ν symmetry) made from the 14N spectrum are: ν1(a1) = 1689, ν2(a1) = 740, ν3(a1) = 528, ν4(e) = 880, and ν6(e) = 398 cm−1. Normal coordinate calculations support the assignment of the remaining fundamental ν5(e) to a band system appearing as a shoulder, about 558 cm−1, on the intense ν3(a1) fundamental.
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