High Rydberg states of DABCO: Spectroscopy, ionization potential, and comparison with mass analyzed threshold ionization

Maarten G.H. Boogaarts; Iwan Holleman; Rienk T. Jongma; David H. Parker; Gerard Meijer; Uzi Even

doi:10.1063/1.471186

High Rydberg states of DABCO: Spectroscopy, ionization potential, and comparison with mass analyzed threshold ionization

Maarten G.H. Boogaarts^*
, Iwan Holleman
, Rienk T. Jongma
, David H. Parker
, Gerard Meijer
, Uzi Even

^*Corresponding author for this work

School of Chemistry

Radboud University Nijmegen

Research output: Contribution to journal › Article › peer-review

42 Scopus citations

Abstract

Doubly-resonant excitation/vibrational autoionization is used to accurately determine the ionization potential (IP) of the highly symmetric caged amine 1,4 diazabicyclo[2,2,2]octane (DABCO). The IP of DABCO excited with one quantum of the v₂₄(e′) vibration lies at (59 048.62±0.03) cm^-1, based on fitting 56 components of the np_xy Rydberg series (δ=0.406±0.002) to the Rydberg formula. Rydberg state transition energies and linewidths are determined using standard calibration and linefitting techniques. The IP determined from Rydberg state extrapolation is compared with that determined by mass analyzed threshold ionization (MATI). Effects of static electric fields on MATI signals measured for the high Rydberg states are discussed.

Original language	English
Pages (from-to)	4357-4364
Number of pages	8
Journal	Journal of Chemical Physics
Volume	104
Issue number	12
DOIs	https://doi.org/10.1063/1.471186
State	Published - 1996

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abstract = "Doubly-resonant excitation/vibrational autoionization is used to accurately determine the ionization potential (IP) of the highly symmetric caged amine 1,4 diazabicyclo[2,2,2]octane (DABCO). The IP of DABCO excited with one quantum of the v24(e′) vibration lies at (59 048.62±0.03) cm-1, based on fitting 56 components of the npxy Rydberg series (δ=0.406±0.002) to the Rydberg formula. Rydberg state transition energies and linewidths are determined using standard calibration and linefitting techniques. The IP determined from Rydberg state extrapolation is compared with that determined by mass analyzed threshold ionization (MATI). Effects of static electric fields on MATI signals measured for the high Rydberg states are discussed.",

author = "Boogaarts, \{Maarten G.H.\} and Iwan Holleman and Jongma, \{Rienk T.\} and Parker, \{David H.\} and Gerard Meijer and Uzi Even",

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T2 - Spectroscopy, ionization potential, and comparison with mass analyzed threshold ionization

AU - Boogaarts, Maarten G.H.

AU - Holleman, Iwan

AU - Jongma, Rienk T.

AU - Parker, David H.

AU - Meijer, Gerard

AU - Even, Uzi

PY - 1996

Y1 - 1996

N2 - Doubly-resonant excitation/vibrational autoionization is used to accurately determine the ionization potential (IP) of the highly symmetric caged amine 1,4 diazabicyclo[2,2,2]octane (DABCO). The IP of DABCO excited with one quantum of the v24(e′) vibration lies at (59 048.62±0.03) cm-1, based on fitting 56 components of the npxy Rydberg series (δ=0.406±0.002) to the Rydberg formula. Rydberg state transition energies and linewidths are determined using standard calibration and linefitting techniques. The IP determined from Rydberg state extrapolation is compared with that determined by mass analyzed threshold ionization (MATI). Effects of static electric fields on MATI signals measured for the high Rydberg states are discussed.

AB - Doubly-resonant excitation/vibrational autoionization is used to accurately determine the ionization potential (IP) of the highly symmetric caged amine 1,4 diazabicyclo[2,2,2]octane (DABCO). The IP of DABCO excited with one quantum of the v24(e′) vibration lies at (59 048.62±0.03) cm-1, based on fitting 56 components of the npxy Rydberg series (δ=0.406±0.002) to the Rydberg formula. Rydberg state transition energies and linewidths are determined using standard calibration and linefitting techniques. The IP determined from Rydberg state extrapolation is compared with that determined by mass analyzed threshold ionization (MATI). Effects of static electric fields on MATI signals measured for the high Rydberg states are discussed.

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High Rydberg states of DABCO: Spectroscopy, ionization potential, and comparison with mass analyzed threshold ionization

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