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1.
The ν2 and ν3 fundamentals of FNO have been recorded with a Fourier transform spectrophotometer at an apodized resolution of approximately 0.004 cm?1. The Fourier infrared data have been analyzed together with previous microwave data to yield improved molecular parameters for the (000) and (010) vibrational states and the first set of constants for the (001) state. The main results (in cm?1) are
Ground state | |||
A | 3.1751882 (17) | 3.1861249 (12) | 3.1958722 (15) |
B | 0.39508266 (12) | 0.39407878 (14) | 0.39211484 (14) |
C | 0.35051504 (11) | 0.34899779 (16) | 0.34747411 (14) |
0 | 765.3551 (4) | 519.5980 (4) |