{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,20]],"date-time":"2026-05-20T02:05:03Z","timestamp":1779242703956,"version":"3.51.4"},"reference-count":20,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2010,2,12]],"date-time":"2010-02-12T00:00:00Z","timestamp":1265932800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Grant-in-Aid, Japan Society for the Promotion of Science","award":["20550023"],"award-info":[{"award-number":["20550023"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rapid Comm Mass Spectrometry"],"published-print":{"date-parts":[[2010,3,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    The processes of H\n                    <jats:sub>3<\/jats:sub>\n                    O\n                    <jats:sup>+<\/jats:sup>\n                    production from alcohols (ethanol, 2\u2010propanol, 1\u2010propanol, 2\u2010butanol) and ethers (diethyl ether and ethyl methyl ether), and their deuterium\u2010substituted species, by intense laser fields (800\u2009nm, 100\u2009fs, \u223c1\u2009\u00d7\u200910\n                    <jats:sup>14<\/jats:sup>\n                    \u2009W\/cm) were investigated through time\u2010of\u2010flight (TOF) mass spectrometry. H\n                    <jats:sub>3<\/jats:sub>\n                    O\n                    <jats:sup>+<\/jats:sup>\n                    formation was observed for all these compounds except for ethyl methyl ether. From the analysis of TOF signals of H\n                    <jats:sub>\n                      (3\u2212\n                      <jats:italic>n<\/jats:italic>\n                      )\n                    <\/jats:sub>\n                    D\n                    <jats:sub>\n                      <jats:italic>n<\/jats:italic>\n                    <\/jats:sub>\n                    O\n                    <jats:sup>+<\/jats:sup>\n                    (\n                    <jats:italic>n<\/jats:italic>\n                    \u2009=\u20090, 1, 2, and 3) that have expanding tails with increasing flight time, it has been confirmed that the reaction proceeds through metastable dissociation from the intermediate species C\n                    <jats:sub>2<\/jats:sub>\n                    H\n                    <jats:sub>\n                      (5\u2212\n                      <jats:italic>m<\/jats:italic>\n                      )\n                    <\/jats:sub>\n                    D\n                    <jats:sub>\n                      <jats:italic>m<\/jats:italic>\n                    <\/jats:sub>\n                    O\n                    <jats:sup>+<\/jats:sup>\n                    (\n                    <jats:italic>m<\/jats:italic>\n                    \u2009=\u20090\u20135). The common shape of the H\n                    <jats:sub>\n                      (3\u2212\n                      <jats:italic>n<\/jats:italic>\n                      )\n                    <\/jats:sub>\n                    D\n                    <jats:sub>\n                      <jats:italic>n<\/jats:italic>\n                    <\/jats:sub>\n                    O\n                    <jats:sup>+<\/jats:sup>\n                    signal profiles contains two major distributions in the time constant, i.e., fast and slow components of &lt;50\u2009ns and \u223c500\u2009ns, respectively. The H\n                    <jats:sub>\n                      (3\u2212\n                      <jats:italic>n<\/jats:italic>\n                      )\n                    <\/jats:sub>\n                    D\n                    <jats:sub>\n                      <jats:italic>n<\/jats:italic>\n                    <\/jats:sub>\n                    O\n                    <jats:sup>+<\/jats:sup>\n                    branching ratio is interpreted to be the result of complete scrambling of four hydrogen atoms at the C\uf8ffC site in C\n                    <jats:sub>2<\/jats:sub>\n                    H\n                    <jats:sub>4<\/jats:sub>\n                    \u2010OH\n                    <jats:sup>+<\/jats:sup>\n                    , and partial exchange (18\u201338%) of a hydrogen atom in the OH group with four other hydrogen atoms within 1\u2009ns prior to H\n                    <jats:sub>\n                      (3\u2212\n                      <jats:italic>n<\/jats:italic>\n                      )\n                    <\/jats:sub>\n                    D\n                    <jats:sub>\n                      <jats:italic>n<\/jats:italic>\n                    <\/jats:sub>\n                    O\n                    <jats:sup>+<\/jats:sup>\n                    production.\n                    <jats:italic>Ab<\/jats:italic>\n                    <jats:italic>initio<\/jats:italic>\n                    calculations for the isomers and transition states of C\n                    <jats:sub>2<\/jats:sub>\n                    H\n                    <jats:sub>5<\/jats:sub>\n                    O\n                    <jats:sup>+<\/jats:sup>\n                    were also performed, and the observed H\n                    <jats:sub>\n                      (3\u2212\n                      <jats:italic>n<\/jats:italic>\n                      )\n                    <\/jats:sub>\n                    D\n                    <jats:sub>\n                      <jats:italic>n<\/jats:italic>\n                    <\/jats:sub>\n                    O\n                    <jats:sup>+<\/jats:sup>\n                    production mechanism has been discussed. In addition, a stable isomer having a complex structure and two isomerization pathways were discovered to contribute to the H\n                    <jats:sub>3<\/jats:sub>\n                    O\n                    <jats:sup>+<\/jats:sup>\n                    formation process. Copyright \u00a9 2010 John Wiley &amp; Sons, Ltd.\n                  <\/jats:p>","DOI":"10.1002\/rcm.4438","type":"journal-article","created":{"date-parts":[[2010,2,12]],"date-time":"2010-02-12T06:45:37Z","timestamp":1265957137000},"page":"679-686","source":"Crossref","is-referenced-by-count":12,"title":["Formation of H\n                    <sub>3<\/sub>\n                    O\n                    <sup>+<\/sup>\n                    from alcohols and ethers induced by intense laser fields"],"prefix":"10.1002","volume":"24","author":[{"given":"Tatsuro","family":"Shirota","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Narutoshi","family":"Mano","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masashi","family":"Tsuge","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kennosuke","family":"Hoshina","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2010,2,12]]},"reference":[{"key":"e_1_2_7_2_2","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1097-0231(199609)10:12<1560::AID-RCM707>3.0.CO;2-S"},{"key":"e_1_2_7_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.elspec.2004.06.009"},{"key":"e_1_2_7_4_2","doi-asserted-by":"publisher","DOI":"10.1002\/qua.20436"},{"key":"e_1_2_7_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.cplett.2005.11.059"},{"key":"e_1_2_7_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.cplett.2006.03.068"},{"key":"e_1_2_7_7_2","doi-asserted-by":"publisher","DOI":"10.1139\/v63-455"},{"key":"e_1_2_7_8_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja00973a045"},{"key":"e_1_2_7_9_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja01020a062"},{"key":"e_1_2_7_10_2","doi-asserted-by":"publisher","DOI":"10.1002\/oms.1210090210"},{"key":"e_1_2_7_11_2","first-page":"10302","volume":"129","author":"Hoshina K","year":"2008","journal-title":"J. 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