Fig. 1: TOF mass spectra of 1,1-diiodoethane seeded in a 20% O2/He mixture under various experimental conditions. | Nature Communications

Fig. 1: TOF mass spectra of 1,1-diiodoethane seeded in a 20% O2/He mixture under various experimental conditions.

From: Conformer-specific Infrared spectroscopy of cationic Criegee intermediates syn- and anti-CH3CHOO+

Fig. 1: TOF mass spectra of 1,1-diiodoethane seeded in a 20% O2/He mixture under various experimental conditions.

a Ionization with 118 nm VUV radiation. b 266 nm photolysis along a quartz capillary tube, followed by 118 nm VUV photoionization. c 266 nm photolysis and 118 nm VUV photoionization, followed by IR laser absorption (2867 cm−1) 50 ns after VUV ionization. d Comparison of signal intensities at m/z = 15, 43, 44, and 60 under the conditions described in (a–c).

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