Microwave and millimeter wave spectra of hydrazoic acid☆
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Abstract:

AbstractFive rotational transitions have been recorded for each of the abundant species of hydrazoic acid and hydrazoic acid-d. Both molecules have normal centrifugal distortion behavior. The spectroscopic constants derived from the measurements are HN3−A0 = 615,600 ± 7000 Mc/sec, B0 = 12,034.15 ± 0.09 Mc/sec, C0 = 11,781.51 ± 0.09 Mc/sec, DJK = 787.8 ± 5.4 kc/sec, DJ = 5.09 ± 0.54 kc/sec, HJKK = −1.13 ± 0.15 kc/sec, HJJK - 0.03 ± 0.03 kc/sec. DN3−A0 = 351,500 ± 7000 Mc/sec, B0 = 1,350.23 ± 0.05 Mc/sec, C0 = 10,965.48 ± 0.05 Mc/sec, DJK = 442.6 ± 2.4 kc/sec, DJ = 4.22 ± 0.17 kc/sec, HJKK = − 0.21 ± 0.08 kc/sec, HJJK = − 0.03 ± 0.02 kc/sec.An important part of the study was a reinvestigation of the J = 0 → 1 transition of HN3 which gave eqaaQ = 4.65 ± 0.25Mc/sec for the NH nitrogen N14 nucleus.

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