Single photon double and triple ionization of allene
Double and triple ionization of allene are investigated using electron-electron, ion-ion, electron-electron-ion and electron-electron-ion-ion (ee, ii, eei, eeii) coincidence spectroscopies at selected photon energies. The results provide supporting evidence for a previously proposed roaming mechanis...
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| Veröffentlicht in: | Physical chemistry chemical physics : PCCP 2022-01, Vol.24 (2), p.786-796 |
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| creator | Ideböhn, Veronica Sterling, Alistair J Wallner, Måns Olsson, Emelie Squibb, Richard J Miniotaite, Ugne Forsmalm, Emma Forsmalm, Malin Stranges, Stefano Dyke, John M Duarte, Fernanda Eland, John H. D Feifel, Raimund |
| description | Double and triple ionization of allene are investigated using electron-electron, ion-ion, electron-electron-ion and electron-electron-ion-ion (ee, ii, eei, eeii) coincidence spectroscopies at selected photon energies. The results provide supporting evidence for a previously proposed roaming mechanism in H
3
+
formation by double ionization. The lowest vertical double ionization energy is found to be 27.9 eV, while adiabatic double ionization is not accessed by vertical ionization at the neutral geometry. The triple ionization energy is found to be close to 50 eV in agreement with theoretical predictions. The doubly charged parent ion is stable up to about 2 eV above the threshold, after which dissociations by charge separation and by double charge retention occur with comparable intensities. Fragmentation to H
+
+ C
3
H
3
+
starts immediately above the threshold as a slow (metastable) decay with 130.5 ± 9.9 ns mean lifetime.
Single photon double and triple ionization of allene is investigated using multi-particle coincidence spectroscopies. Key findings comprise supporting evidence for a previously proposed roaming mechanism in H
3
+
formation by double ionization. |
| doi_str_mv | 10.1039/d1cp04666g |
| format | Article |
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3
+
formation by double ionization. The lowest vertical double ionization energy is found to be 27.9 eV, while adiabatic double ionization is not accessed by vertical ionization at the neutral geometry. The triple ionization energy is found to be close to 50 eV in agreement with theoretical predictions. The doubly charged parent ion is stable up to about 2 eV above the threshold, after which dissociations by charge separation and by double charge retention occur with comparable intensities. Fragmentation to H
+
+ C
3
H
3
+
starts immediately above the threshold as a slow (metastable) decay with 130.5 ± 9.9 ns mean lifetime.
Single photon double and triple ionization of allene is investigated using multi-particle coincidence spectroscopies. Key findings comprise supporting evidence for a previously proposed roaming mechanism in H
3
+
formation by double ionization.</description><identifier>ISSN: 1463-9076</identifier><identifier>ISSN: 1463-9084</identifier><identifier>EISSN: 1463-9084</identifier><identifier>DOI: 10.1039/d1cp04666g</identifier><identifier>PMID: 34927639</identifier><language>eng</language><publisher>England: Royal Society of Chemistry</publisher><subject>ab-initio ; Allene ; Chemistry ; Decay rate ; dication ; Electrons ; energies ; fragmentation ; Fysik ; Ionization ; Ions ; orbitals ; photoelectron-spectra ; Photons ; Physical Sciences ; Physics</subject><ispartof>Physical chemistry chemical physics : PCCP, 2022-01, Vol.24 (2), p.786-796</ispartof><rights>Copyright Royal Society of Chemistry 2022</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c553t-6ca2587ae3135a1d8aaef9f819fb40f4e667ff9e1eb322a49b9cb557f0213bdf3</citedby><cites>FETCH-LOGICAL-c553t-6ca2587ae3135a1d8aaef9f819fb40f4e667ff9e1eb322a49b9cb557f0213bdf3</cites><orcidid>0000-0002-3571-1094 ; 0000-0002-9808-303X ; 0000-0002-9057-5072 ; 0000-0002-6062-8209 ; 0000-0001-5234-3935</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,550,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/34927639$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://gup.ub.gu.se/publication/312775$$DView record from Swedish Publication Index$$Hfree_for_read</backlink><backlink>$$Uhttps://research.chalmers.se/publication/527950$$DView record from Swedish Publication Index$$Hfree_for_read</backlink></links><search><creatorcontrib>Ideböhn, Veronica</creatorcontrib><creatorcontrib>Sterling, Alistair J</creatorcontrib><creatorcontrib>Wallner, Måns</creatorcontrib><creatorcontrib>Olsson, Emelie</creatorcontrib><creatorcontrib>Squibb, Richard J</creatorcontrib><creatorcontrib>Miniotaite, Ugne</creatorcontrib><creatorcontrib>Forsmalm, Emma</creatorcontrib><creatorcontrib>Forsmalm, Malin</creatorcontrib><creatorcontrib>Stranges, Stefano</creatorcontrib><creatorcontrib>Dyke, John M</creatorcontrib><creatorcontrib>Duarte, Fernanda</creatorcontrib><creatorcontrib>Eland, John H. D</creatorcontrib><creatorcontrib>Feifel, Raimund</creatorcontrib><title>Single photon double and triple ionization of allene</title><title>Physical chemistry chemical physics : PCCP</title><addtitle>Phys Chem Chem Phys</addtitle><description>Double and triple ionization of allene are investigated using electron-electron, ion-ion, electron-electron-ion and electron-electron-ion-ion (ee, ii, eei, eeii) coincidence spectroscopies at selected photon energies. The results provide supporting evidence for a previously proposed roaming mechanism in H
3
+
formation by double ionization. The lowest vertical double ionization energy is found to be 27.9 eV, while adiabatic double ionization is not accessed by vertical ionization at the neutral geometry. The triple ionization energy is found to be close to 50 eV in agreement with theoretical predictions. The doubly charged parent ion is stable up to about 2 eV above the threshold, after which dissociations by charge separation and by double charge retention occur with comparable intensities. Fragmentation to H
+
+ C
3
H
3
+
starts immediately above the threshold as a slow (metastable) decay with 130.5 ± 9.9 ns mean lifetime.
Single photon double and triple ionization of allene is investigated using multi-particle coincidence spectroscopies. Key findings comprise supporting evidence for a previously proposed roaming mechanism in H
3
+
formation by double ionization.</description><subject>ab-initio</subject><subject>Allene</subject><subject>Chemistry</subject><subject>Decay rate</subject><subject>dication</subject><subject>Electrons</subject><subject>energies</subject><subject>fragmentation</subject><subject>Fysik</subject><subject>Ionization</subject><subject>Ions</subject><subject>orbitals</subject><subject>photoelectron-spectra</subject><subject>Photons</subject><subject>Physical Sciences</subject><subject>Physics</subject><issn>1463-9076</issn><issn>1463-9084</issn><issn>1463-9084</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>D8T</sourceid><recordid>eNp10s9rFDEUB_AgFlurF-_KgBcRRvNjkkmOZdVaKChUz-El87I7ZXYyJjOI_vXNuHWFgqf3knz4EvJCyAtG3zEqzPuO-Yk2SqntI3LGGiVqQ3Xz-Ni36pQ8zfmWUsokE0_IqWgMb5UwZ6S56cftgNW0i3Mcqy4urqxg7Ko59VNp-zj2v2EupYqhgmHAEZ-RkwBDxuf39Zx8__Tx2-Zzff3l8mpzcV17KcVcKw9c6hZQMCGBdRoAgwmameAaGhpUqg3BIEMnOIfGOOOdlG2gnAnXBXFObg65-SdOi7NT6veQftkIvU2YEZLfWb-DYY8p24xWShk6gcp6g9o2vhXWgETrvFccAnKgsqTW_03dLpMtW9tlTROMt-3q3xz8lOKPBfNs9332OAwwYlyy5YpxKrjhutDXD-htXNJY3mhVSmqq9areHpRPMeeE4XgFRu06UfuBbb7-mehlwa_uIxe3x-5I_46wgJcHkLI_nv77EuIOknWlfA</recordid><startdate>20220104</startdate><enddate>20220104</enddate><creator>Ideböhn, Veronica</creator><creator>Sterling, Alistair J</creator><creator>Wallner, Måns</creator><creator>Olsson, Emelie</creator><creator>Squibb, Richard J</creator><creator>Miniotaite, Ugne</creator><creator>Forsmalm, Emma</creator><creator>Forsmalm, Malin</creator><creator>Stranges, Stefano</creator><creator>Dyke, John M</creator><creator>Duarte, Fernanda</creator><creator>Eland, John H. 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D</au><au>Feifel, Raimund</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Single photon double and triple ionization of allene</atitle><jtitle>Physical chemistry chemical physics : PCCP</jtitle><addtitle>Phys Chem Chem Phys</addtitle><date>2022-01-04</date><risdate>2022</risdate><volume>24</volume><issue>2</issue><spage>786</spage><epage>796</epage><pages>786-796</pages><issn>1463-9076</issn><issn>1463-9084</issn><eissn>1463-9084</eissn><abstract>Double and triple ionization of allene are investigated using electron-electron, ion-ion, electron-electron-ion and electron-electron-ion-ion (ee, ii, eei, eeii) coincidence spectroscopies at selected photon energies. The results provide supporting evidence for a previously proposed roaming mechanism in H
3
+
formation by double ionization. The lowest vertical double ionization energy is found to be 27.9 eV, while adiabatic double ionization is not accessed by vertical ionization at the neutral geometry. The triple ionization energy is found to be close to 50 eV in agreement with theoretical predictions. The doubly charged parent ion is stable up to about 2 eV above the threshold, after which dissociations by charge separation and by double charge retention occur with comparable intensities. Fragmentation to H
+
+ C
3
H
3
+
starts immediately above the threshold as a slow (metastable) decay with 130.5 ± 9.9 ns mean lifetime.
Single photon double and triple ionization of allene is investigated using multi-particle coincidence spectroscopies. Key findings comprise supporting evidence for a previously proposed roaming mechanism in H
3
+
formation by double ionization.</abstract><cop>England</cop><pub>Royal Society of Chemistry</pub><pmid>34927639</pmid><doi>10.1039/d1cp04666g</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-3571-1094</orcidid><orcidid>https://orcid.org/0000-0002-9808-303X</orcidid><orcidid>https://orcid.org/0000-0002-9057-5072</orcidid><orcidid>https://orcid.org/0000-0002-6062-8209</orcidid><orcidid>https://orcid.org/0000-0001-5234-3935</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1463-9076 |
| ispartof | Physical chemistry chemical physics : PCCP, 2022-01, Vol.24 (2), p.786-796 |
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| language | eng |
| recordid | cdi_rsc_primary_d1cp04666g |
| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection; SWEPUB Freely available online |
| subjects | ab-initio Allene Chemistry Decay rate dication Electrons energies fragmentation Fysik Ionization Ions orbitals photoelectron-spectra Photons Physical Sciences Physics |
| title | Single photon double and triple ionization of allene |
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