Photodissociation dynamics of tert-butyl hydroperoxide at 266 nm

Ryu, Byung-Gyu; Park, Chan Ryang; Lee, Yongsik; Shin, Seung Koo; Kim, Hong Lae

doi:10.1016/s1010-6030(02)00005-9

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Cited by 7 publications

(2 citation statements)

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“…This is in stark contrast to near UV photodissociation studies of H 2 O 2 and organic hydroperoxides, which predominantly yield rovibrationally cold OH products. [43][44][45][46][47][48] Studies have been extended to tert-butyl hydroperoxide (TBHP), where a sequence of OH-stretch transitions from the fundamental through the h overtone has been characterized. 40,41 Recent work revealed a strong feature at ∼7017 cm −1 arising from the rst overtone OH stretch (2n OH ), which is heavily coupled to COOH torsion.…”

Section: Introductionmentioning

confidence: 99%

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Vibrational spectroscopy and dissociation dynamics of cyclohexyl hydroperoxide

Roy,

Qian,

Karlsson

et al. 2024

Chem. Sci.

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Section: Introductionmentioning

confidence: 99%

“…This is in stark contrast to near UV photodissociation studies of H 2 O 2 and organic hydroperoxides, which predominantly yield rovibrationally cold OH products. 43–48…”

Section: Introductionmentioning

confidence: 99%

Vibrational spectroscopy and dissociation dynamics of cyclohexyl hydroperoxide

Roy,

Qian,

Karlsson

et al. 2024

Chem. Sci.

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Trends in organic hydroperoxide photodissociation and absorption cross sections between 266 and 377 nm

Hsieh

Vushe

Tun

et al. 2014

Chemical Physics Letters

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Vibrational−Torsional Excitation and Direct Overtone Photodissociation of Ethyl Hydroperoxide at 5ν_OH

2008

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We have observed OH radical products from the unimolecular dissociation of ethyl hydroperoxide (CH3-CH2OOH) excited to 5nuOH and have collected an action spectrum from 15,600 to 16,800 cm(-1) and an OH product state distribution at the maximum (16,119 cm(-1)). We use a vibrational-torsional model to simulate spectra in the 5nuOH region for the trans and gauche conformers. A combination of the two simulated spectra resembles the experimental action spectrum, provided that the trans conformer is assumed to dominate at room temperature. Energy disposal in the OH fragment yields an upper limit for the O-O bond dissociation energy at D0 < 44 kcal mol(-1).

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Photodissociation dynamics of tert-butyl hydroperoxide at 266 nm

Cited by 7 publications

References 21 publications

Vibrational spectroscopy and dissociation dynamics of cyclohexyl hydroperoxide

Vibrational spectroscopy and dissociation dynamics of cyclohexyl hydroperoxide

Trends in organic hydroperoxide photodissociation and absorption cross sections between 266 and 377 nm

Vibrational−Torsional Excitation and Direct Overtone Photodissociation of Ethyl Hydroperoxide at 5ν_OH

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Photodissociation dynamics of tert-butyl hydroperoxide at 266 nm

Cited by 7 publications

References 21 publications

Vibrational spectroscopy and dissociation dynamics of cyclohexyl hydroperoxide

Vibrational spectroscopy and dissociation dynamics of cyclohexyl hydroperoxide

Trends in organic hydroperoxide photodissociation and absorption cross sections between 266 and 377 nm

Vibrational−Torsional Excitation and Direct Overtone Photodissociation of Ethyl Hydroperoxide at 5νOH

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Product

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Vibrational−Torsional Excitation and Direct Overtone Photodissociation of Ethyl Hydroperoxide at 5ν_OH