{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T22:20:03Z","timestamp":1787005203413,"version":"build-2736575974"},"reference-count":29,"publisher":"AIP Publishing","issue":"14","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2007,10,14]]},"abstract":"<jats:p>Valence band and C 1s core-level photoelectron spectra of S-(+)-2-amino-1-propanol (alaninol) and S-(+)-1-amino-2-propanol (isopropanolamine) have been studied by means of synchrotron radiation photoelectron spectroscopy in gas phase. The alaninol, the reduced derivative of the alanine, is a good test system of amino acid-like structures. The isopropanolamine, presenting the inversion of the two functional groups of the alaninol at the chiral carbon, offers the opportunity to study the effect of \u2013OH and \u2013NH2 structural position on the photoelectron spectra. The influence of the conformational contribution on the electronic structure and the photoelectron spectra has been interpreted using density functional and ab initio theoretical calculations. Agreement has been achieved by taking into account the presence, in gas phase, of two conformers with different population ratios in both chiral systems. The C 1s core-level spectra of alaninol and isopropanolamine are reported and the peak positions of the three carbon atoms of the molecules are assigned.<\/jats:p>","DOI":"10.1063\/1.2798113","type":"journal-article","created":{"date-parts":[[2007,10,12]],"date-time":"2007-10-12T18:14:00Z","timestamp":1192212840000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":11,"title":["2-amino-1-propanol versus 1-amino-2-propanol: Valence band and C 1s core-level photoelectron spectra"],"prefix":"10.1063","volume":"127","author":[{"given":"D.","family":"Catone","sequence":"first","affiliation":[{"name":"Istituto di Struttura della Materia (ISM) , Consiglio Nazionale delle Ricerche (CNR), Via del Fosso del Cavaliere 100, 00133 Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S.","family":"Turchini","sequence":"additional","affiliation":[{"name":"Istituto di Struttura della Materia (ISM) , Consiglio Nazionale delle Ricerche (CNR), Via del Fosso del Cavaliere 100, 00133 Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G.","family":"Contini","sequence":"additional","affiliation":[{"name":"Istituto di Struttura della Materia (ISM) , Consiglio Nazionale delle Ricerche (CNR), Via del Fosso del Cavaliere 100, 00133 Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"N.","family":"Zema","sequence":"additional","affiliation":[{"name":"Istituto di Struttura della Materia (ISM) , Consiglio Nazionale delle Ricerche (CNR), Via del Fosso del Cavaliere 100, 00133 Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S.","family":"Irrera","sequence":"additional","affiliation":[{"name":"Istituto di Struttura della Materia (ISM) , Consiglio Nazionale delle Ricerche (CNR), Via del Fosso del Cavaliere 100, 00133 Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"T.","family":"Prosperi","sequence":"additional","affiliation":[{"name":"Istituto di Struttura della Materia (ISM) , Consiglio Nazionale delle Ricerche (CNR), Via del Fosso del Cavaliere 100, 00133 Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Stener","sequence":"additional","affiliation":[{"name":"Universit\u00e0 di Trieste Dipartimento di Scienze Chimiche, , Via L. Giorgieri 1, Trieste, Italy, Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), Unit\u00e0 di Trieste, Trieste, Italy and , Trieste, Italy"},{"name":"INFM DEMOCRITOS National Simulation Center Dipartimento di Scienze Chimiche, , Via L. Giorgieri 1, Trieste, Italy, Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), Unit\u00e0 di Trieste, Trieste, Italy and , Trieste, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"D.","family":"Di Tommaso","sequence":"additional","affiliation":[{"name":"Universit\u00e0 di Trieste Dipartimento di Scienze Chimiche, , Via L. Giorgieri 1, Trieste, Italy, Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), Unit\u00e0 di Trieste, Trieste, Italy and , Trieste, Italy"},{"name":"INFM DEMOCRITOS National Simulation Center Dipartimento di Scienze Chimiche, , Via L. 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