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The triphenylamine moiety has a propeller-type shape, with dihedral angles between the mean planes of pairs of phenyl rings of 72.1\u2005(6), 69.7\u2005(1) and 65.6\u2005(6)\u00b0. In the crystal, molecules are linked by C\u2014H...O hydrogen bonds, forming chains extending parallel to [010]. In addition, weak C\u2014H...\u03c0 interactions consolidate the crystal packing. One of the phenyl rings of the triphenylamine moiety is disordered over two sets of sites.\n                  <\/jats:p>","DOI":"10.1107\/s2056989024011721","type":"journal-article","created":{"date-parts":[[2024,12,3]],"date-time":"2024-12-03T02:11:33Z","timestamp":1733191893000},"page":"15-19","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":0,"title":["Crystal structure and Hirshfeld surface analysis of the chalcone derivative (2\n                    <i>E<\/i>\n                    )-3-[4-(diphenylamino)phenyl]-1-[4-(prop-1-yn-2-yloxy)phenyl]prop-2-en-1-one"],"prefix":"10.1107","volume":"81","author":[{"given":"Sundarasamy","family":"Madhan","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04jmt9361","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"NizamMohideen","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04jmt9361","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vijayan","family":"Viswanathan","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/050113w36","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Devadasan","family":"Velmurugan","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/050113w36","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"329","published-online":{"date-parts":[[2025,1,1]]},"reference":[{"key":"wm5735_bb1","doi-asserted-by":"crossref","first-page":"648","DOI":"10.1107\/S2056989016005028","volume":"72","author":"Abdullah","year":"2016","journal-title":"Acta Cryst. 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