{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,15]],"date-time":"2026-01-15T07:06:33Z","timestamp":1768460793391,"version":"3.49.0"},"reference-count":29,"publisher":"AIP Publishing","issue":"6","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2012,8,14]]},"abstract":"<jats:p>The O\u2013H stretching region of the infrared spectra of a series of carboxylic acids in Xe matrices was investigated as a function of temperature. Upon increasing the temperature, the \u03bdO\u2013H band site-components undergo reversible frequency blue-shifts, which are larger for the lowest-frequency components. This unprecedented observation indicates both that different types of O\u2013H\u00b7\u00b7\u00b7Xe specific interactions occur, depending on different trapping sites, and the prevalence of stronger interactions of this type for molecules trapped in sites corresponding to lower frequency \u03bdO\u2013H band site-components. These results are in agreement with previous investigations pointing to an increased stabilization and larger \u03bdO\u2013H frequency red-shifts in carboxylic acid\/Xe complexes bearing a specific H-bond like O\u2013H\u00b7\u00b7\u00b7Xe interaction. O\u2013H\u00b7\u00b7\u00b7Xe interaction energies were obtained theoretically and also estimated from the spectroscopic data. Changes in the interaction energies upon temperature variation were also evaluated.<\/jats:p>","DOI":"10.1063\/1.4740243","type":"journal-article","created":{"date-parts":[[2012,8,10]],"date-time":"2012-08-10T12:00:22Z","timestamp":1344600022000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":8,"title":["FTIR investigation of the O\u2013H\u00b7\u00b7\u00b7Xe interaction in simple carboxylic acids in solid xenon"],"prefix":"10.1063","volume":"137","author":[{"given":"Gulce Ogruc","family":"Ildiz","sequence":"first","affiliation":[{"name":"University of Coimbra 1 Department of Chemistry, , P-3004-535 Coimbra, Portugal"},{"name":"Istanbul Kultur University 2 , Faculty of Science and Letters, Department of Physics, Atakoy Campus, Bakirkoy 34156, Istanbul, Turkey"}]},{"given":"Cl\u00e1udio M.","family":"Nunes","sequence":"additional","affiliation":[{"name":"University of Coimbra 1 Department of Chemistry, , P-3004-535 Coimbra, Portugal"}]},{"given":"Nihal","family":"Ku\u015f","sequence":"additional","affiliation":[{"name":"University of Coimbra 1 Department of Chemistry, , P-3004-535 Coimbra, Portugal"},{"name":"Anadolu University 3 Department of Physics, , 26470 Eski\u015fehir, Turkey"}]},{"given":"Rui","family":"Fausto","sequence":"additional","affiliation":[{"name":"University of Coimbra 1 Department of Chemistry, , P-3004-535 Coimbra, Portugal"}]}],"member":"317","published-online":{"date-parts":[[2012,8,9]]},"reference":[{"key":"2023061917352897700_c1","doi-asserted-by":"crossref","DOI":"10.1201\/b11403","volume-title":"Physics and Chemistry at Low Temperatures","author":"Khriachtchev","year":"2011"},{"key":"2023061917352897700_c2","doi-asserted-by":"publisher","first-page":"874","DOI":"10.1038\/35022551","volume":"406","year":"2000","journal-title":"Nature (London)"},{"key":"2023061917352897700_c3","doi-asserted-by":"publisher","article-title":"Matrix-isolation and ab initio study of the complex between formic acid and xenon","volume-title":"J. 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