{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,28]],"date-time":"2026-01-28T23:29:30Z","timestamp":1769642970937,"version":"3.49.0"},"reference-count":20,"publisher":"International Union of Crystallography (IUCr)","issue":"2","license":[{"start":{"date-parts":[[2021,1,26]],"date-time":"2021-01-26T00:00:00Z","timestamp":1611619200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2021,1,26]],"date-time":"2021-01-26T00:00:00Z","timestamp":1611619200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"funder":[{"DOI":"10.13039\/501100001711","name":"Schweizerischer Nationalfonds zur F\u00f6rderung der Wissenschaftlichen Forschung","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100001711","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["iucr.org","wiley.com","iucrj.org"],"crossmark-restriction":true},"short-container-title":["Acta Crystallogr E Cryst Commun","Acta Cryst E","Acta Cryst Sect E","Acta Crystallogr E","Acta Crystallogr Sect E","Acta Cryst E Cryst Commun","Acta Cryst Sect E Cryst Commun"],"accepted":{"date-parts":[[2021,1,21]]},"published-print":{"date-parts":[[2021,2,1]]},"abstract":"<jats:p>The title oxastannaborininol compound, [Sn(C<jats:sub>4<\/jats:sub>H<jats:sub>9<\/jats:sub>)<jats:sub>2<\/jats:sub>(C<jats:sub>10<\/jats:sub>H<jats:sub>7<\/jats:sub>BO<jats:sub>2<\/jats:sub>)], has been synthesized and crystallized. While heterocycles containing a C\u2013O\u2013B group are common, heterocycles containing an <jats:italic>E<\/jats:italic>\u2013O\u2013B unit, where <jats:italic>E<\/jats:italic> is an element of the carbon group except for carbon, are rare. In fact, while heterocycles containing Si\u2013O\u2013B units are occasionally reported (although without crystal structures), there are no reports for the corresponding germanium, tin or lead analogues. Herein, the first synthesis and crystal structure of a heterocycle containing an Sn\u2013O\u2013B unit is described. The asymmetric unit contains one molecule showing a notable disorder of the tin atom and the butyl groups. They occupy two sets of positions with site-occupancy factors of 0.295\u2005(6) and 0.705\u2005(6).<\/jats:p>","DOI":"10.1107\/s2056989021000712","type":"journal-article","created":{"date-parts":[[2021,1,26]],"date-time":"2021-01-26T10:26:23Z","timestamp":1611656783000},"page":"180-183","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":3,"title":["Crystal structure of a 1,1-dibutyl-1<i>H<\/i>,3<i>H<\/i>-naphtho[1,8-<i>cd<\/i>][1,2,6]oxastannaborinin-3-ol"],"prefix":"10.1107","volume":"77","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7012-8750","authenticated-orcid":true,"given":"Kevin","family":"Breitwieser","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peter","family":"Chen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2021,1,26]]},"reference":[{"key":"zq2260_bb1","doi-asserted-by":"crossref","first-page":"233","DOI":"10.1107\/S0365110X49000618","volume":"2","author":"Abrahams","year":"1949","journal-title":"Acta Cryst."},{"key":"zq2260_bb2","first-page":"313","volume":"57","author":"Barbul","year":"2012","journal-title":"Rev. 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