Rovibronic photoionization dynamics of ammonia isotopomers. Hollenstein, U, Merkt, F, Meyer, L, Seiler, R, Softley, T P, & Willitsch, S Molecular Physics, 105(11):1711–1722, 2007. Publisher: Taylor & Francis
Paper abstract bibtex PFI-ZEKE photoelectron spectra of the \textlessa name="ILM0001"\textgreater�\textless/a\textgreater $^{\textrm{2}}$B$_{\textrm{1}}$ (v$_{\textrm{2}}$$^{\textrm{+=3}}$) cationic vibrational state and photoionization spectra of autoionizing Rydberg series converging on the +=1 ionization threshold of the mixed isotopomers of ammonia, NH$_{\textrm{2}}$D and ND$_{\textrm{2}}$H, are reported for the first time. The observed rovibronic photoionization propensities and the quantum defects of the Rydberg series indicate that the photoelectron is ejected as a superposition of even (s and d) partial-wave components in agreement with predictions from the orbital-ionization model [S. Willitsch and F. Merkt, Int. J. Mass Spectrom. \textbf245, 14 (2005)]. The ionization energies of the v$_{\textrm{2}}$$^{\textrm{+=3}}$ thresholds of NH$_{\textrm{2}}$D and ND$_{\textrm{2}}$H were determined to be IE / hc = 84 792.9(6) cm$^{\textrm{- 1}}$ and IE / hc = 84 595.9(8) cm$^{\textrm{- 1}}$, respectively, and rotational constants for the \textlessa name="ILM0002"\textgreater�\textless/a\textgreater = 3 states of both isotopomers are derived.
@article{Hollenstein2007,
title = {Rovibronic photoionization dynamics of ammonia isotopomers},
volume = {105},
issn = {0026-8976},
url = {http://www.informaworld.com/10.1080/00268970701429889},
abstract = {PFI-ZEKE photoelectron spectra of the {\textless}a name="ILM0001"{\textgreater}�{\textless}/a{\textgreater} $^{\textrm{2}}$\textit{B}$_{\textrm{1}}$
(\textit{v}$_{\textrm{2}}$$^{\textrm{+=3}}$) cationic vibrational state and
photoionization spectra of autoionizing Rydberg series converging
on the +=1 ionization threshold of the mixed isotopomers of ammonia,
NH$_{\textrm{2}}$D and ND$_{\textrm{2}}$H, are reported for the first time.
The observed rovibronic photoionization propensities and the quantum
defects of the Rydberg series indicate that the photoelectron is
ejected as a superposition of even (s and d) partial-wave components
in agreement with predictions from the orbital-ionization model [S.
Willitsch and F. Merkt, Int. J. Mass Spectrom. \textbf{245,} 14 (2005)].
The ionization energies of the \textit{v}$_{\textrm{2}}$$^{\textrm{+=3}}$
thresholds of NH$_{\textrm{2}}$D and ND$_{\textrm{2}}$H were determined
to be \textit{IE}\ /\ \textit{hc}\ =\ 84\ 792.9(6)
cm$^{\textrm{-\ 1}}$ and \textit{IE}\ /\ \textit{hc}\ =\ 84\ 595.9(8)
cm$^{\textrm{-\ 1}}$, respectively, and rotational constants for
the {\textless}a name="ILM0002"{\textgreater}�{\textless}/a{\textgreater}\ =\ 3 states of both isotopomers
are derived.},
number = {11},
journal = {Molecular Physics},
author = {Hollenstein, U and Merkt, F and Meyer, L and Seiler, R and Softley, T P and Willitsch, S},
year = {2007},
note = {Publisher: Taylor \& Francis},
keywords = {\#nosource},
pages = {1711--1722},
}