Electron impact ionisation and UV absorption study of α- and β-pinene

Kubala, D.; Drage, E.A.; Al-Faydhi, A.M.E.; Kočíšek, J.; Papp, P.; Matejčík, V.; Mach, P.; Urban, J.; Limão-Vieira, P.; Hoffman, S.V.; Matejčík, S. and Mason, N.J. (2009). Electron impact ionisation and UV absorption study of α- and β-pinene. International Journal of Mass Spectrometry, 280(1-3) pp. 169–173.

DOI: https://doi.org/10.1016/j.ijms.2008.07.035

Abstract

We have performed a coordinated set of experiments to measure the electron impact ionisation and UV photoabsorption cross sections of α- and β-pinene. The adiabatic ionisation energies of α- and β-pinene were derived from experiment and found to be 8.3 and 8.6 eV which compared well with high-level quantum chemical calculations (G3MP2) yielding values of 8.29 and 8.41 eV. Additionally, vertical ionisation energies of 8.62 and 8.96 eV were calculated using an OVGF method. UV photoabsorption cross sections were measured using a high-resolution synchrotron radiation source and electronic states interpreted on the basis of the TD quantum chemical methods

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About

• Item ORO ID
• 18347
• Item Type
• Journal Item
• ISSN
• 1387-3806
• Project Funding Details

• Funded Project Name	Project ID	Funding Body
  Not Set	Not Set	UK NERC Research Agency
  Not Set	Not Set	Slovak Science and Technology Assistance Agency [APVT-20-007504]
  Not Set	Not Set	VEGA Grant Agency, Slovakia [project no. 1/3040/06]

• Keywords
• α-Pinene; β-Pinene; VUV photoabsorption; Electron impact ionisation
• Academic Unit or School
• Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
  Faculty of Science, Technology, Engineering and Mathematics (STEM)
• Research Group
• Physics
• Copyright Holders
• © 2008 Elsevier B.V. All rights reserved.
• Depositing User
• Colin Smith