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The cationic moiety of <jats:bold>3<\/jats:bold>\u2010<jats:bold>Ar<\/jats:bold> features a barrelene framework with three coordinated Sn<jats:sup>II<\/jats:sup> atoms at the 1,4\u2010positions, whereas the anionic unit SnCl<jats:sub>3<\/jats:sub> is formally derived from SnCl<jats:sub>2<\/jats:sub> and chloride ion. The all carbon substituted bis\u2010stannylenes <jats:bold>3<\/jats:bold>\u2010<jats:bold>Ar<\/jats:bold> have been characterized by NMR spectroscopy and X\u2010ray diffraction. DFT calculations reveal that the HOMO of <jats:bold>3<\/jats:bold>\u2010<jats:bold>Ph<\/jats:bold> (<jats:italic>\u03f5<\/jats:italic>=\u22126.40\u2005eV) is mainly the lone\u2010pair orbital at the Sn<jats:sup>II<\/jats:sup> atoms of the barrelene unit. <jats:bold>3<\/jats:bold>\u2010<jats:bold>Ar<\/jats:bold> readily react with sulfur and selenium to afford the mixed\u2010valence Sn<jats:sup>II<\/jats:sup>\/Sn<jats:sup>IV<\/jats:sup> compounds [(ADC<jats:sup>Ar<\/jats:sup>)<jats:sub>3<\/jats:sub>SnSn(E)](SnCl<jats:sub>6<\/jats:sub>)<jats:sub>0.5<\/jats:sub> (E=S <jats:bold>4<\/jats:bold>\u2010<jats:bold>Ar<\/jats:bold>, Ar=Ph or DMP; E=Se <jats:bold>5<\/jats:bold>\u2010<jats:bold>Ph<\/jats:bold>).<\/jats:p>","DOI":"10.1002\/chem.202001432","type":"journal-article","created":{"date-parts":[[2020,3,26]],"date-time":"2020-03-26T06:16:31Z","timestamp":1585203391000},"page":"11113-11118","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":22,"title":["Distannabarrelenes with Three Coordinated Sn<sup>II<\/sup> Atoms"],"prefix":"10.1002","volume":"26","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3116-6631","authenticated-orcid":false,"given":"Mahendra K.","family":"Sharma","sequence":"first","affiliation":[{"name":"Molecular Inorganic Chemistry and Catalysis, Inorganic and Structural Chemistry, Center for Molecular Materials Faculty of Chemistry Universit\u00e4t Bielefeld  Universit\u00e4tsstrasse 25 33615 Bielefeld Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9842-7816","authenticated-orcid":false,"given":"Timo","family":"Glodde","sequence":"additional","affiliation":[{"name":"Molecular Inorganic Chemistry and Catalysis, Inorganic and Structural Chemistry, Center for Molecular Materials Faculty of Chemistry Universit\u00e4t Bielefeld  Universit\u00e4tsstrasse 25 33615 Bielefeld Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Beate","family":"Neumann","sequence":"additional","affiliation":[{"name":"Molecular Inorganic Chemistry and Catalysis, Inorganic and Structural Chemistry, Center for Molecular Materials Faculty of Chemistry Universit\u00e4t Bielefeld  Universit\u00e4tsstrasse 25 33615 Bielefeld Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hans\u2010Georg","family":"Stammler","sequence":"additional","affiliation":[{"name":"Molecular Inorganic Chemistry and Catalysis, Inorganic and Structural Chemistry, Center for Molecular Materials Faculty of Chemistry Universit\u00e4t Bielefeld  Universit\u00e4tsstrasse 25 33615 Bielefeld Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2146-5432","authenticated-orcid":false,"given":"Rajendra S.","family":"Ghadwal","sequence":"additional","affiliation":[{"name":"Molecular Inorganic Chemistry and Catalysis, Inorganic and Structural Chemistry, Center for Molecular Materials Faculty of Chemistry Universit\u00e4t Bielefeld  Universit\u00e4tsstrasse 25 33615 Bielefeld 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