{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1360567184365828992.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1088/0953-4075/48/20/204001"}},{"identifier":{"@type":"URI","@value":"http://stacks.iop.org/0953-4075/48/i=20/a=204001/pdf"}},{"identifier":{"@type":"URI","@value":"http://stacks.iop.org/0953-4075/48/i=20/a=204001?key=crossref.5e5ddfc92aa8e6288d1938c09c47303a"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@value":"Theoretical study of geometry relaxation following core excitation: H<sub>2</sub>O, NH<sub>3</sub>, and CH<sub>4</sub>"}],"description":[{"notation":[{"@value":"Single core-hole (SCH) and double core-hole excited state molecular dynamics (MD) calculations for neutral and cationic H2O, NH3, and CH4 have been performed to examine geometry relaxation after core excitation. We observed faster X–H (X = C, N, O) bond elongation for the core-ionized state produced from the valence cationic molecule and the double-core-ionized state produced from the ground and valence cationic molecules than for the first resonant SCH state. Using the results of SCH MD simulations of the ground and valence cationic molecules, Auger decay spectra calculations were performed. 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