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Trimethylchlorosilane, (CH3)3SiCl: OH reaction kinetics and infrared spectrum

Dimitrios Papanastasiou 1, 2 François Bernard 1, 2 James Burkholder 1
1 ESRL - NOAA Earth System Research Laboratory
2 CIRES - Cooperative Institute for Research in Environmental Sciences
Abstract : Rate coefficients for the OH + (CH3)3SiCl (trimethylchlorosilane) gas-phase reaction were measured over the temperature range 295–375 K using a pulsed laser photolysis laser-induced fluorescence technique. The room temperature rate coefficient was determined to be k1(295 K) = (2.51 ± 0.13) × 10−13 cm3 molecule–1 s–1. The Arrhenius expression k1(T) = (7.06 ± 2.15) × 10−12 exp[–(992 ± 101)/T] cm3 molecule–1 s–1, where the quoted uncertainties are 2σ fit precision, describes the measured temperature dependence very well. As part of this work, the infrared spectra of CH3)3SiCl was measured.
Keywords : gas-phase OH radical pulsed laser photolysis laser-induced fluorescence temperature dependence trimethylchlorosilane
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Submitted on : Monday, March 30, 2020 - 9:29:49 AM
Last modification on : Saturday, September 19, 2020 - 3:39:43 AM

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Dimitrios Papanastasiou, François Bernard, James Burkholder. Trimethylchlorosilane, (CH3)3SiCl: OH reaction kinetics and infrared spectrum. International Journal of Chemical Kinetics, Wiley, 2020, 52 (4), pp.221-226. ⟨10.1002/kin.21344⟩. ⟨insu-02524033⟩

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