{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T22:17:01Z","timestamp":1780525021212,"version":"3.54.1"},"reference-count":34,"publisher":"Wiley","issue":"50","license":[{"start":{"date-parts":[[2014,10,14]],"date-time":"2014-10-14T00:00:00Z","timestamp":1413244800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Angew Chem Int Ed"],"published-print":{"date-parts":[[2014,12,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Hypercoordination of main\u2010group elements such as the heavier Group\u200514 elements (silicon, germanium, tin, and lead) usually requires strong electron\u2010withdrawing ligands and\/or donating groups. Herein, we present the synthesis and characterization of two hexaaryltin(IV) dianions in form of their dilithium salts [Li<jats:sub>2<\/jats:sub>(thf)<jats:sub>2<\/jats:sub>{Sn(2\u2010py<jats:sup>Me<\/jats:sup>)<jats:sub>6<\/jats:sub>}] (py<jats:sup>Me<\/jats:sup>=C<jats:sub>5<\/jats:sub>H<jats:sub>3<\/jats:sub>N\u20105\u2010Me) (<jats:bold>2<\/jats:bold>) and [Li<jats:sub>2<\/jats:sub>{Sn(2\u2010py<jats:sup>O<jats:italic>t<\/jats:italic>Bu<\/jats:sup>)<jats:sub>6<\/jats:sub>}] (py<jats:sup>O<jats:italic>t<\/jats:italic>Bu<\/jats:sup>=C<jats:sub>5<\/jats:sub>H<jats:sub>3<\/jats:sub>N\u20106\u2010O<jats:italic>t<\/jats:italic>Bu) (<jats:bold>3<\/jats:bold>). Both complexes are stable in the solid state and solution under inert conditions. Theoretical investigations of compound <jats:bold>2<\/jats:bold> reveal a significant valence 5s\u2010orbital contribution of the tin atom forming six strongly polarized tin\u2013carbon bonds.<\/jats:p>","DOI":"10.1002\/anie.201406260","type":"journal-article","created":{"date-parts":[[2014,10,14]],"date-time":"2014-10-14T12:36:47Z","timestamp":1413290207000},"page":"13698-13700","source":"Crossref","is-referenced-by-count":24,"title":["Dilithium Hexaorganostannate(IV) Compounds"],"prefix":"10.1002","volume":"53","author":[{"given":"Ireen","family":"Schrader","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kornelia","family":"Zeckert","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefan","family":"Zahn","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2014,10,14]]},"reference":[{"key":"e_1_2_3_1_2","unstructured":"\u00a0"},{"key":"e_1_2_3_2_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja992719g"},{"key":"e_1_2_3_3_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja0438011"},{"key":"e_1_2_3_4_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja043802t"},{"key":"e_1_2_3_5_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja710423d"},{"key":"e_1_2_3_6_2","doi-asserted-by":"publisher","DOI":"10.1002\/0470857188.ch16"},{"key":"e_1_2_3_7_2","volume-title":"Comprehensive Organometallic Chemistry, Vol.\u2005II","author":"Davies A. 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The solvating THF molecules were removed in\u2005vacuo prior spectroscopic analysis."},{"key":"e_1_2_3_19_2","unstructured":"For crystallographic data for compounds2\u22c52\u2009THF and3 see the Supporting Information. CCDC\u20051002115 (2\u22c52\u2009THF) and 1002114 (3) contain the supplementary crystallographic data for this paper. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre viawww.ccdc.cam.ac.uk\/data_request\/cif."},{"key":"e_1_2_3_20_2","unstructured":"\u00a0"},{"key":"e_1_2_3_21_2","doi-asserted-by":"publisher","DOI":"10.1039\/b924967b"},{"key":"e_1_2_3_22_2","doi-asserted-by":"publisher","DOI":"10.1039\/c2dt31768k"},{"key":"e_1_2_3_23_2","doi-asserted-by":"publisher","DOI":"10.1039\/dt9870000315"},{"key":"e_1_2_3_24_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.449486"},{"key":"e_1_2_3_25_2","doi-asserted-by":"publisher","DOI":"10.1016\/0040-4020(68)88057-3"},{"key":"e_1_2_3_26_2","doi-asserted-by":"publisher","DOI":"10.1007\/BF00526774"},{"key":"e_1_2_3_27_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja953109t"},{"key":"e_1_2_3_28_2","doi-asserted-by":"publisher","DOI":"10.1007\/s002140000231"},{"key":"e_1_2_3_29_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00214-004-0597-9"},{"key":"e_1_2_3_30_2","doi-asserted-by":"publisher","DOI":"10.1021\/cr00088a005"},{"key":"e_1_2_3_31_2","unstructured":"\u00a0"},{"key":"e_1_2_3_32_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja00160a022"},{"key":"e_1_2_3_33_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja00273a006"},{"key":"e_1_2_3_34_2","unstructured":"For crystallographic data for compound4 see the Supporting Information. CCDC\u20051006855 contains the supplementary crystallographic data for this paper. 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