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Der Begriff ist hilfreich zur \u201cBuchhaltung\u201d der Elektronen, zur Vorhersage von chemischen Trends und zur Planung von Synthesewegen. Experimentelle und quantenchemische Befunde legen eine obere Grenze von etwa +8 f\u00fcr die <jats:bold>OS<\/jats:bold> in stabilen (neutralen) chemischen Substanzen unter normalen Bedingungen nahe. <jats:bold>OS<\/jats:bold>=+9 wurde f\u00fcr das isolierte [IrO<jats:sub>4<\/jats:sub>]<jats:sup>+<\/jats:sup>\u2010Kation in der Gasphase beobachtet. Vorhergesagte <jats:bold>OS<\/jats:bold>=+10 f\u00fcr das isolierte [PtO<jats:sub>4<\/jats:sub>]<jats:sup>2+<\/jats:sup>\u2010Kation wird hier theoretisch nur f\u00fcr tiefe Temperaturen best\u00e4tigt, konnte aber noch nicht experimentell verifiziert werden. Verbindungen mit hoher <jats:bold>OS<\/jats:bold> tendieren zur spontanen Reduktion des zentralen Metallatoms unter Oxidation der Liganden, etwa von O<jats:sup>\u22122<\/jats:sup> unter Bildung von <jats:sup>.<\/jats:sup>O<jats:sup>\u22121<\/jats:sup> und O\u2010O\u2010Bindungen, wobei nicht\u2010Lewis\u2010konforme Strukturen gebildet werden k\u00f6nnen.<\/jats:p>","DOI":"10.1002\/ange.201711450","type":"journal-article","created":{"date-parts":[[2018,1,4]],"date-time":"2018-01-04T15:00:36Z","timestamp":1515078036000},"page":"3297-3300","source":"Crossref","is-referenced-by-count":15,"title":["\u00dcber Oxidationszahl\u2010Obergrenzen in der Chemie"],"prefix":"10.1002","volume":"130","author":[{"given":"Shu\u2010Xian","family":"Hu","sequence":"first","affiliation":[{"name":"Key Laboratory of Organic Optoelectronics &amp; Molecular Engineering of the Ministry of Education Department of Chemistry Tsinghua University  Beijing 100084 China"},{"name":"Beijing Computer Science Research Center  Haidian Beijing 100193 China"}]},{"given":"Wan\u2010Lu","family":"Li","sequence":"additional","affiliation":[{"name":"Key Laboratory of Organic Optoelectronics &amp; Molecular Engineering of the Ministry of Education Department of Chemistry Tsinghua University  Beijing 100084 China"}]},{"given":"Jun\u2010Bo","family":"Lu","sequence":"additional","affiliation":[{"name":"Key Laboratory of Organic Optoelectronics &amp; Molecular Engineering of the Ministry of Education Department of Chemistry Tsinghua University  Beijing 100084 China"}]},{"given":"Junwei Lucas","family":"Bao","sequence":"additional","affiliation":[{"name":"Chemical Theory Center Department of Chemistry, and Minnesota Supercomputing Institute University of Minnesota  Minneapolis MN 55455-0431 USA"}]},{"given":"Haoyu S.","family":"Yu","sequence":"additional","affiliation":[{"name":"Chemical Theory Center Department of Chemistry, and Minnesota Supercomputing Institute University of Minnesota  Minneapolis MN 55455-0431 USA"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7742-7294","authenticated-orcid":false,"given":"Donald G.","family":"Truhlar","sequence":"additional","affiliation":[{"name":"Chemical Theory Center Department of Chemistry, and Minnesota Supercomputing Institute University of Minnesota  Minneapolis MN 55455-0431 USA"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2107-5418","authenticated-orcid":false,"given":"John K.","family":"Gibson","sequence":"additional","affiliation":[{"name":"Chemical Sciences Division Lawrence Berkeley National Laboratory  Berkeley CA 94720 USA"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7580-057X","authenticated-orcid":false,"given":"Joaquim","family":"Mar\u00e7alo","sequence":"additional","affiliation":[{"name":"Centro de Ci\u00eancias e Tecnologias Nucleares Instituto Superior T\u00e9cnico Universidade de Lisboa  2695-066 Bobadela LRS Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1915-6203","authenticated-orcid":false,"given":"Mingfei","family":"Zhou","sequence":"additional","affiliation":[{"name":"Department of Chemistry Fudan University  Shanghai 200433 China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4552-5719","authenticated-orcid":false,"given":"Sebastian","family":"Riedel","sequence":"additional","affiliation":[{"name":"Anorganische Chemie Institut f\u00fcr Chemie und Biochemie Freie Universit\u00e4t Berlin  14195 Berlin Deutschland"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8730-1508","authenticated-orcid":false,"given":"W. 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