{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,16]],"date-time":"2025-10-16T20:23:54Z","timestamp":1760646234318,"version":"3.41.2"},"reference-count":33,"publisher":"AIP Publishing","issue":"10","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2014,9,14]]},"abstract":"<jats:p>The highest resolution vacuum ultraviolet photoabsorption spectrum of ethyl formate, C2H5OCHO, yet reported is presented over the wavelength range 115.0\u2013275.5 nm (10.75\u20134.5 eV) revealing several new spectral features. Valence and Rydberg transitions and their associated vibronic series, observed in the photoabsorption spectrum, have been assigned in accordance with new ab initio calculations of the vertical excitation energies and oscillator strengths. Calculations have also been carried out to determine the ionization energies and fine structure of the lowest ionic state of ethyl formate and are compared with a newly recorded He(I) photoelectron spectrum (from 10.1 to 16.1 eV). New vibrational structure is observed in the first photoelectron band. The photoabsorption cross sections have been used to calculate the photolysis lifetime of ethyl formate in the upper stratosphere (20\u201350 km).<\/jats:p>","DOI":"10.1063\/1.4894762","type":"journal-article","created":{"date-parts":[[2014,9,11]],"date-time":"2014-09-11T00:30:22Z","timestamp":1410395422000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":11,"title":["Valence and ionic lowest-lying electronic states of ethyl formate as studied by high-resolution vacuum ultraviolet photoabsorption, He(I) photoelectron spectroscopy, and <i>ab initio<\/i> calculations"],"prefix":"10.1063","volume":"141","author":[{"given":"M. A.","family":"\u015amia\u0142ek","sequence":"first","affiliation":[{"name":"Gda\u0144sk University of Technology 1 Department of Control and Energy Engineering, Faculty of Ocean Engineering and Ship Technology, , Gabriela Narutowicza 11\/12, 80-233 Gda\u0144sk, Poland"}]},{"given":"M.","family":"\u0141abuda","sequence":"additional","affiliation":[{"name":"Gda\u0144sk University of Technology 2 Department of Theoretical Physic and Quantum Information, Faculty of Applied Physics and Mathematics, , Gabriela Narutowicza 11\/12, 80-233 Gda\u0144sk, Poland"}]},{"given":"J.","family":"Guthmuller","sequence":"additional","affiliation":[{"name":"Gda\u0144sk University of Technology 2 Department of Theoretical Physic and Quantum Information, Faculty of Applied Physics and Mathematics, , Gabriela Narutowicza 11\/12, 80-233 Gda\u0144sk, Poland"}]},{"given":"M.-J.","family":"Hubin-Franskin","sequence":"additional","affiliation":[{"name":"Universit\u00e9 de Li\u00e8ge 3 D\u00e9partement de Chimie, , Institut de Chimie-B\u00e2t. B6C, B-4000 Li\u00e8ge, Belgium"}]},{"given":"J.","family":"Delwiche","sequence":"additional","affiliation":[{"name":"Universit\u00e9 de Li\u00e8ge 3 D\u00e9partement de Chimie, , Institut de Chimie-B\u00e2t. B6C, B-4000 Li\u00e8ge, Belgium"}]},{"given":"D.","family":"Duflot","sequence":"additional","affiliation":[{"name":"Universit\u00e9 Lille1 Sciences et Technologies 4 Laboratoire de Physique des Lasers, Atomes et Mol\u00e9cules (PhLAM), UMR CNRS 8523, , F-59655 Villeneuve d' Ascq Cedex, France"}]},{"given":"N. J.","family":"Mason","sequence":"additional","affiliation":[{"name":"The Open University 5 Department of Physical Sciences, , Walton Hall, Milton Keynes MK7 6AA, United Kingdom"}]},{"given":"S. V.","family":"Hoffmann","sequence":"additional","affiliation":[{"name":"Aarhus University 6 ISA, Department of Physics and Astronomy, , Ny Munkegade 120, Building 1520, DK-8000 Aarhus C, Denmark"}]},{"given":"N. 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