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In the crystal, the bromide anions link the 2,2,6,6-tetramethylpiperidine molecules by intermolecular C\u2014H...Br and N\u2014H...Br hydrogen bonds, leading to dimers, with the coplanar 1,2,3,4-tetrafluoro-5,6-diiodobenzene molecules filling the space between them. There is a \u03c0\u2013\u03c0 interaction between the almost parallel benzene rings [dihedral angle = 10.5\u2005(2)\u00b0] with a centroid-to-centroid distance of 3.838\u2005(3)\u2005\u00c5 and  slippage  of 1.468\u2005\u00c5. No C\u2014H...\u03c0(ring) interactions are observed. A Hirshfeld surface analysis indicates that the most important contributions for the crystal packing are from H...F\/F...H (23.8%), H...H (22.6%), H...Br\/Br...H (17.3%) and H...I\/I...H (13.8%) interactions. Hydrogen bonding and van der Waals interactions are the dominant interactions in the crystal packing.<\/jats:p>","DOI":"10.1107\/s2056989024011502","type":"journal-article","created":{"date-parts":[[2024,12,17]],"date-time":"2024-12-17T08:22:18Z","timestamp":1734423738000},"page":"53-57","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":0,"title":["Crystal structure and Hirshfeld surface analysis of supramolecular aggregate of 2,2,6,6-tetramethylpiperidin-1-ium bromide with 1,2,3,4-tetrafluoro-5,6-diiodobenzene"],"prefix":"10.1107","volume":"81","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1415-8012","authenticated-orcid":true,"given":"Atash V.","family":"Gurbanov","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8602-4382","authenticated-orcid":true,"given":"Tuncer","family":"H\u00f6kelek","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gunay Z.","family":"Mammadova","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Khudayar I.","family":"Hasanov","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-8587-1361","authenticated-orcid":true,"given":"Tahir A.","family":"Javadzade","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4175-5656","authenticated-orcid":true,"given":"Alebel N.","family":"Belay","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2025,1,1]]},"reference":[{"key":"yz2062_bb1","unstructured":"Bruker (2014). 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