High resolution He Iα photoelectron spectroscopy of H"2CCO and D"2CCO using supersonic molecular beams

Niu, B. ; Bai, Y. ; Shirley, D.A.

Amsterdam : Elsevier
ISSN:
0009-2614
Source:
Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
Topics:
Chemistry and Pharmacology
Physics
Type of Medium:
Electronic Resource
URL:
_version_ 1798292314688323584
autor Niu, B.
Bai, Y.
Shirley, D.A.
autorsonst Niu, B.
Bai, Y.
Shirley, D.A.
book_url http://linkinghub.elsevier.com/retrieve/pii/0009-2614(93)85059-W
datenlieferant nat_lic_papers
fussnote High resolution helium Iα (584 Å) photoelectron spectra of H"2CCO and D"2CCO using supersonic molecular beams are reported. The adiabatic ionization energies (AIEs) of the electronic first, second, and fifth excited states are determined unambiguously. The doublet-like fine structures observed in the first excited states of ketene imply the excitation of a ''soft'' mode that was not observed before. Strong isotope effects are observed in the vibronic (vibrational) couplings in the ground state of ketene cations. The AIEs and spectroscopic constants for all six ionic states are reported to a much higher accuracy than previously available.
hauptsatz hsatz_simple
identnr NLZ173872247
issn 0009-2614
journal_name Chemical Physics Letters
materialart 1
package_name Elsevier
publikationsort Amsterdam
publisher Elsevier
reference 201 (1993), S. 217-222
search_space articles
shingle_author_1 Niu, B.
Bai, Y.
Shirley, D.A.
shingle_author_2 Niu, B.
Bai, Y.
Shirley, D.A.
shingle_author_3 Niu, B.
Bai, Y.
Shirley, D.A.
shingle_author_4 Niu, B.
Bai, Y.
Shirley, D.A.
shingle_catch_all_1 Niu, B.
Bai, Y.
Shirley, D.A.
High resolution He Iα photoelectron spectroscopy of H"2CCO and D"2CCO using supersonic molecular beams
0009-2614
00092614
Elsevier
shingle_catch_all_2 Niu, B.
Bai, Y.
Shirley, D.A.
High resolution He Iα photoelectron spectroscopy of H"2CCO and D"2CCO using supersonic molecular beams
0009-2614
00092614
Elsevier
shingle_catch_all_3 Niu, B.
Bai, Y.
Shirley, D.A.
High resolution He Iα photoelectron spectroscopy of H"2CCO and D"2CCO using supersonic molecular beams
0009-2614
00092614
Elsevier
shingle_catch_all_4 Niu, B.
Bai, Y.
Shirley, D.A.
High resolution He Iα photoelectron spectroscopy of H"2CCO and D"2CCO using supersonic molecular beams
0009-2614
00092614
Elsevier
shingle_title_1 High resolution He Iα photoelectron spectroscopy of H"2CCO and D"2CCO using supersonic molecular beams
shingle_title_2 High resolution He Iα photoelectron spectroscopy of H"2CCO and D"2CCO using supersonic molecular beams
shingle_title_3 High resolution He Iα photoelectron spectroscopy of H"2CCO and D"2CCO using supersonic molecular beams
shingle_title_4 High resolution He Iα photoelectron spectroscopy of H"2CCO and D"2CCO using supersonic molecular beams
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source_archive Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
timestamp 2024-05-06T08:46:33.621Z
titel High resolution He Iα photoelectron spectroscopy of H"2CCO and D"2CCO using supersonic molecular beams
titel_suche High resolution He Iα photoelectron spectroscopy of H"2CCO and D"2CCO using supersonic molecular beams
High resolution helium Iα (584 Å) photoelectron spectra of H"2CCO and D"2CCO using supersonic molecular beams are reported. The adiabatic ionization energies (AIEs) of the electronic first, second, and fifth excited states are determined unambiguously. The doublet-like fine structures observed in the first excited states of ketene imply the excitation of a ''soft'' mode that was not observed before. Strong isotope effects are observed in the vibronic (vibrational) couplings in the ground state of ketene cations. The AIEs and spectroscopic constants for all six ionic states are reported to a much higher accuracy than previously available.
topic V
U
uid nat_lic_papers_NLZ173872247