title: Pyrolysis Reactions of 3-Oxetanone.
abstract: The pyrolysis products of gas-phase 3-oxetanone were identified via matrix-isolation Fourier transform infrared spectroscopy and photoionization mass spectrometry. Pyrolysis was conducted in a hyperthermal nozzle at temperatures from 100 to 1200 °C with the dissociation onset observed at ∼600 °C. The ring strain in the cyclic structure of 3-oxetanone causes the molecule to decompose at relatively low temperatures. Previously, only one dissociation channel, producing formaldehyde and ketene, was considered as significant in photolysis. This study presents the first experimental measurements of the thermal decomposition of 3-oxetanone demonstrating an additional dissociation channel that forms ethylene oxide and carbon monoxide. Major products include formaldehyde, ketene, carbon monoxide, ethylene oxide, ethylene, and methyl radical. The first four products stem from initial decomposition of 3-oxetanone, while the additional products, ethylene and methyl radical, are believed to be due to further reactions involving ethylene oxide.
authors.affiliation: Department of Chemistry, Marshall University, One John Marshall Drive, Huntington, West Virginia 25755, United States.|Department of Mechanical Engineering, University of Colorado, Boulder, Colorado 80309, United States.
authors.forename: Emily M
authors.initials: EM
authors.lastname: Wright
authors.affiliation: Department of Chemistry, Marshall University, One John Marshall Drive, Huntington, West Virginia 25755, United States.|Department of Mechanical Engineering, University of Colorado, Boulder, Colorado 80309, United States.
authors.forename: Brian J
authors.initials: BJ
authors.lastname: Warner
authors.affiliation: Department of Chemistry, Marshall University, One John Marshall Drive, Huntington, West Virginia 25755, United States.|Department of Mechanical Engineering, University of Colorado, Boulder, Colorado 80309, United States.
authors.forename: Hannah E
authors.initials: HE
authors.lastname: Foreman
authors.affiliation: Department of Chemistry, Marshall University, One John Marshall Drive, Huntington, West Virginia 25755, United States.|Department of Mechanical Engineering, University of Colorado, Boulder, Colorado 80309, United States.
authors.forename: Laura R
authors.initials: LR
authors.lastname: McCunn
authors.affiliation: Department of Chemistry, Marshall University, One John Marshall Drive, Huntington, West Virginia 25755, United States.|Department of Mechanical Engineering, University of Colorado, Boulder, Colorado 80309, United States.
authors.forename: Kimberly N
authors.initials: KN
authors.lastname: Urness
mesh_terms: D002248:Carbon Monoxide / Q000737:chemistry; D004988:Ethers, Cyclic / Q000737:chemistry*; D005027:Ethylene Oxide / Q000737:chemistry; D005030:Ethylenes / Q000737:chemistry; D005557:Formaldehyde / Q000737:chemistry; D005740:Gases / Q000737:chemistry; D007659:Ketones / Q000737:chemistry; D013058:Mass Spectrometry; D008697:Methane / Q000031:analogs & derivatives / Q000737:chemistry; D017550:Spectroscopy, Fourier Transform Infrared; D013696:Temperature
chemical_list: C578351:3-oxetanone; D004988:Ethers, Cyclic; D005030:Ethylenes; D005740:Gases; D007659:Ketones; D005557:Formaldehyde; C051224:methyl radical; D002248:Carbon Monoxide; C036216:ethylene; D005027:Ethylene Oxide; C008223:ketene; D008697:Methane