{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T17:30:08Z","timestamp":1775237408587,"version":"3.50.1"},"reference-count":39,"publisher":"International Union of Crystallography (IUCr)","issue":"10","license":[{"start":{"date-parts":[[2023,9,29]],"date-time":"2023-09-29T00:00:00Z","timestamp":1695945600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2023,9,29]],"date-time":"2023-09-29T00:00:00Z","timestamp":1695945600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"funder":[{"DOI":"10.13039\/100008277","name":"William & Mary","doi-asserted-by":"crossref","id":[{"id":"10.13039\/100008277","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":[[2023,9,19]]},"published-print":{"date-parts":[[2023,10,1]]},"abstract":"<jats:p>The macrometallacyclic title compound, [Hg<jats:sub>4<\/jats:sub>Br<jats:sub>4<\/jats:sub>(C<jats:sub>8<\/jats:sub>H<jats:sub>11<\/jats:sub>N<jats:sub>2<\/jats:sub>S)<jats:sub>4<\/jats:sub>] or [((Hg<jats:bold>L<\/jats:bold>\n                  <jats:sub>2<\/jats:sub>)(HgBr<jats:sub>2<\/jats:sub>))<jats:sub>2<\/jats:sub>] (<jats:bold>1<\/jats:bold>) where <jats:bold>HL<\/jats:bold> = 2-{[(pyridin-2-yl)methyl]amino}ethane-1-thiol, was prepared and structurally characterized. The Hg<jats:sup>2+<\/jats:sup> complex crystallizes in the <jats:italic>P<\/jats:italic>2<jats:sub>1<\/jats:sub>\/<jats:italic>c<\/jats:italic> space group. The centrosymmetric Hg<jats:sub>4<\/jats:sub>S<jats:sub>4<\/jats:sub> metallacycle is constructed from metal ions with alternating distorted tetrahedral Br<jats:sub>2<\/jats:sub>S<jats:sub>2<\/jats:sub> and distorted seesaw N<jats:sub>2<\/jats:sub>S<jats:sub>2<\/jats:sub> primary coordination environments with pendant pyridyl groups. The backfolded extended chair metallacycle conformation suggests interactions between each of the bis-chelated mercury atoms and Br atoms lying above and below the central Hg<jats:sub>2<\/jats:sub>S<jats:sub>4<\/jats:sub> plane. Supramolecular interactions in <jats:bold>1<\/jats:bold> include a fourfold aryl embrace and potential hydrogen bonds with bromine as the acceptor. Hirshfeld surface analysis indicates that H...H (51.7%), Br...H\/H...Br (23.0%) and C...H\/H...C (9.5%) interactions are dominant.<\/jats:p>","DOI":"10.1107\/s205698902300823x","type":"journal-article","created":{"date-parts":[[2023,9,27]],"date-time":"2023-09-27T04:52:15Z","timestamp":1695790335000},"page":"952-957","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":1,"title":["Crystal structure and Hirshfeld surface analysis of <i>cyclo<\/i>-tetrabromido-1\u03ba<sup>2<\/sup>\n                  <i>Br<\/i>,3\u03ba<sup>2<\/sup>\n                  <i>Br<\/i>-tetrakis(\u03bc<sub>2<\/sub>-2-{[(pyridin-2-yl)methyl]amino}ethane-1-thiolato-\u03ba<sup>3<\/sup>\n                  <i>N<\/i>,<i>S<\/i>:<i>S<\/i>)tetramercury(II)"],"prefix":"10.1107","volume":"79","author":[{"given":"Isla D.","family":"Thomas","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kathryn R.","family":"Kocher","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Julie A.","family":"Viehweg","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert D.","family":"Pike","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9228-6218","authenticated-orcid":true,"given":"Deborah C.","family":"Bebout","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2023,9,29]]},"reference":[{"key":"yz2039_bb1","doi-asserted-by":"crossref","first-page":"1568","DOI":"10.1134\/S0036023615120037","volume":"60","author":"Akhtar","year":"2015","journal-title":"Russ. 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