The Absorption Spectrum of H2S Between 2150 and 4260 cm−1: Analysis of the Positions and Intensities in the First (2ν2, ν1, and ν3) and Second (3ν2, ν1+ ν2, and ν2+ ν3) Triad Regions

Local Mode Effects in the Absorption Spectrum of H2S between 10 780 and 11 330 cm−1

“…(3) (−8.90 cm −1 ). This formula seems to be particularly accurate in predicting the isotopic band shifts in H 2 S: an agreement within 0.01-0.16 cm −1 was obtained for the 1st and 2nd triads (12) and hexads (1,16). Finally, it is worth to comment further on our choice of using the same form of effective Hamiltonian for the three isotopic species of H 2 S. This Hamiltonian includes the interaction operators coupling the (40 ± , 1) and (30 ± , 3) local mode pairs evidenced by the analysis of the spectrum of the main isotopic species.…”

The HITRAN 2004 molecular spectroscopic database

“…[433] to HITRAN20 0 0 [434] . This issue remained all the way through HITRAN2012, but has been fixed for HITRAN2016.…”

On the study of high-resolution rovibrational spectrum of H2S in the region of 7300–7900cm−1

“…(21)-(26) from [24]. In this case, necessary for calculations values of parameters x, x m , and k have been estimated from experimental values of the band centers, m 1 and m 3 , from [8], 2m 1 , m 1 þ m 3 , 2m 3 , m 1 þ 2m 2 , and 2m 2 þ m 3 , from [10], and m 1 þ 2m 2 þ m 3 from present study. …”

“…Both the local mode properties, and the conditions of their destruction can be analyzed in the rovibrational spectra of H 2 S. As a consequence, numerous spectroscopic studies have been carried out on this molecule (see, for example, [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18]), beginning at the low frequency microwave region [1], up to visible transitions in the highly excited stretching bands ð70 AE ; 0Þ observed by the sensitive intra-cavity laser absorption spectroscopy, [18]. The ground vibrational state was analyzed in [1][2][3][4][5].…”

“…The ground vibrational state was analyzed in [1][2][3][4][5]. The lowest five poliads of interacting vibrational states, with v ¼ v 1 þ v 2 =2 þ v 3 , v ¼ 0:5, 1, 1.5, 2, 2.5, were discussed in [6][7][8][9][10][11], respectively. Highly excited stretching local mode states v ¼ 4, 4.5, 5, 6, 7 were considered in [12][13][14][15][16][17][18].…”