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The strong Cr(<jats:italic>\u03b4<\/jats:italic>\u2212)\u2212Si(<jats:italic>\u03b4<\/jats:italic>+) bond polarity was revealed by the reaction with MeOH and DFT calculations. The chromium silylyne complex reacted with H<jats:sub>2<\/jats:sub> under LED (365\u2005nm) irradiation to reproduce the precursor silylene complex with a (H)Cr=Si(H) moiety, as a result of 1,2\u2010H\u2212H addition across the Cr\u2261Si triple bond. Similarly, the chromium silylyne complex reacted with benzene under irradiation to afford an 1,2\u2010addition product with a (H)Cr=Si(Ph) moiety, via benzene C\u2212H bond activation accompanied by Si\u2212C bond forming.<\/jats:p>","DOI":"10.1002\/chem.202303765","type":"journal-article","created":{"date-parts":[[2023,12,13]],"date-time":"2023-12-13T08:16:46Z","timestamp":1702455406000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Neutral Chromium Complex with a Cr\u2261Si Triple Bond: Synthesis and Photoinduced H\u2212H and Benzene C\u2212H Bond Activation"],"prefix":"10.1002","volume":"30","author":[{"given":"Masahiro","family":"Matsuoka","sequence":"first","affiliation":[{"name":"Department of Chemistry Graduate School of Science Tohoku University  6-3 Aoba Sendai Miyagi 980\u20138578 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3767-9507","authenticated-orcid":false,"given":"Koichi","family":"Nagata","sequence":"additional","affiliation":[{"name":"Department of Chemistry Graduate School of Science Tohoku University  6-3 Aoba Sendai Miyagi 980\u20138578 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ryoma","family":"Ohno","sequence":"additional","affiliation":[{"name":"Department of Applied Chemistry Faculty of Science and Engineering Kindai University  3-4-1 Kowakae Higashi Osaka, Osaka 577-8502 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tsukasa","family":"Matsuo","sequence":"additional","affiliation":[{"name":"Department of Applied Chemistry Faculty of Science and Engineering Kindai University  3-4-1 Kowakae Higashi Osaka, Osaka 577-8502 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiromi","family":"Tobita","sequence":"additional","affiliation":[{"name":"Department of Chemistry Graduate School of Science Tohoku University  6-3 Aoba Sendai Miyagi 980\u20138578 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9649-0857","authenticated-orcid":false,"given":"Hisako","family":"Hashimoto","sequence":"additional","affiliation":[{"name":"Department of Chemistry Graduate School of Science Tohoku University  6-3 Aoba Sendai Miyagi 980\u20138578 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,12,22]]},"reference":[{"key":"e_1_2_8_1_1","unstructured":"\u00a0"},{"key":"e_1_2_8_2_2","first-page":"1127","volume-title":"Organotransition Metal Chemistry From Bonding to Catalysis","author":"Hartwig J. 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