The A2B2–X2A1 electronic transition of 15NO2: A rovibronic survey covering 14300–18000cm−1

摘要: More than 250 rotationally resolved vibrational bands of the A 2 B2–X A1 electronic transition 15 NO2 have been observed in 14 300–18 000 cm � 1 range. The recorded a recently constructed setup designed for high resolution spectroscopy jet cooled molecules by combining time gated fluorescence and molecular beam techniques. majority has assigned can be identified as transitions starting from ground state or vibrationally excited (hot band) states. An exceptionally strong band is located at 851 studied more detail typical benchmark to monitor atmospheric remote sensing experiments. Standard rotational fit routines provide origins, spin rotation constants. subset 177 vibronic levels B2 symmetry analyzed energy range between 300 17 , terms integrated density using Next Neighbor Distribution. It found that overall statistical properties polyad structure are comparable those but internal structures polyads completely different. This direct consequence X A1–A mixing.