Fig. 3: Experimentally recorded IR spectrum of H2S clusters in helium nanodroplets at 0.37 K, m/z = 34 and partial H2S pressure of 4.5 × 10−6 mbar. | Nature Communications

Fig. 3: Experimentally recorded IR spectrum of H2S clusters in helium nanodroplets at 0.37 K, m/z = 34 and partial H2S pressure of 4.5 × 10−6 mbar.

From: On the nature of hydrogen bonding in the H2S dimer

Fig. 3

We observe three bands of H2S-H2S centered at 2598.21, 2601.95, and 2604.17 cm−1, which could be assigned to three different vibrational-rotational-tunneling transitions. In the zoom, we show a comparison of the experimentally recorded rotational line shape (black) with the adapted predicted spectrum (colored sticks) assuming alternating or non-alternating intensity ratios of subsequent rotational levels according to the respective spin statistics. Black arrows show the wavenumber where pick-up curves were recorded (see Supplementary Information).

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