{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,11]],"date-time":"2026-04-11T12:39:07Z","timestamp":1775911147364,"version":"3.50.1"},"reference-count":29,"publisher":"International Union of Crystallography (IUCr)","issue":"10","license":[{"start":{"date-parts":[[2019,9,3]],"date-time":"2019-09-03T00:00:00Z","timestamp":1567468800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2019,9,3]],"date-time":"2019-09-03T00:00:00Z","timestamp":1567468800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"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":[[2019,8,29]]},"published-print":{"date-parts":[[2019,10,1]]},"abstract":"<jats:p>The crystal structures of the disordered hemi-DMSO solvate of (<jats:italic>E<\/jats:italic>)-2-oxo-<jats:italic>N<\/jats:italic>\u2032-(3,4,5-trimethoxybenzylidene)-2<jats:italic>H<\/jats:italic>-chromene-3-carbohydrazide, C<jats:sub>20<\/jats:sub>H<jats:sub>18<\/jats:sub>N<jats:sub>2<\/jats:sub>O<jats:sub>6<\/jats:sub>\u00b70.5C<jats:sub>2<\/jats:sub>H<jats:sub>6<\/jats:sub>OS, and (<jats:italic>E<\/jats:italic>)-<jats:italic>N<\/jats:italic>\u2032-benzylidene-2-oxo-2<jats:italic>H<\/jats:italic>-chromene-3-carbohydrazide, C<jats:sub>17<\/jats:sub>H<jats:sub>12<\/jats:sub>N<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> (<jats:bold>4<\/jats:bold>: <jats:italic>R<\/jats:italic> = C<jats:sub>6<\/jats:sub>H<jats:sub>5<\/jats:sub>), are discussed. The non-hydrogen atoms in compound [<jats:bold>4<\/jats:bold>: <jats:italic>R<\/jats:italic> = (3,4,5-MeO)<jats:sub>3<\/jats:sub>C<jats:sub>6<\/jats:sub>H<jats:sub>2<\/jats:sub>)] exhibit a distinct curvature, while those in compound, (<jats:bold>4<\/jats:bold>: <jats:italic>R<\/jats:italic> = C<jats:sub>6<\/jats:sub>H<jats:sub>5<\/jats:sub>), are essential coplanar. In (<jats:bold>4<\/jats:bold>: <jats:italic>R<\/jats:italic> = C<jats:sub>6<\/jats:sub>H<jats:sub>5<\/jats:sub>), C\u2014H...O and \u03c0\u2013\u03c0 intramolecular interactions combine to form a three-dimensional array. A three-dimensional array is also found for the hemi-DMSO solvate of [<jats:bold>4<\/jats:bold>: <jats:italic>R<\/jats:italic> = (3,4,5-MeO)<jats:sub>3<\/jats:sub>C<jats:sub>6<\/jats:sub>H<jats:sub>2<\/jats:sub>], in which the molecules of coumarin are linked by C\u2014H...O and C\u2014H...\u03c0 interactions, and form tubes into which the DMSO molecules are cocooned. Hirshfeld surface analyses of both compounds are reported, as are the lattice energy and intermolecular interaction energy calculations of compound (<jats:bold>4<\/jats:bold>: <jats:italic>R<\/jats:italic> = C<jats:sub>6<\/jats:sub>H<jats:sub>5<\/jats:sub>).<\/jats:p>","DOI":"10.1107\/s2056989019012015","type":"journal-article","created":{"date-parts":[[2019,9,3]],"date-time":"2019-09-03T10:17:22Z","timestamp":1567505842000},"page":"1403-1410","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":3,"title":["Crystal structures and Hirshfeld surface analyses of (<i>E<\/i>)-<i>N<\/i>\u2032-benzylidene-2-oxo-2<i>H<\/i>-chromene-3-carbohydrazide and the disordered hemi-DMSO solvate of (<i>E<\/i>)-2-oxo-<i>N<\/i>\u2032-(3,4,5-trimethoxybenzylidene)-2<i>H<\/i>-chromene-3-carbohydrazide: lattice energy and intermolecular interaction energy calculations for the former"],"prefix":"10.1107","volume":"75","author":[{"given":"Ligia R.","family":"Gomes","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4743-7448","authenticated-orcid":true,"given":"John Nicolson","family":"Low","sequence":"additional","affiliation":[]},{"given":"James L.","family":"Wardell","sequence":"additional","affiliation":[]},{"given":"Camiola","family":"Capelini","sequence":"additional","affiliation":[]},{"given":"Vitoria R.F.","family":"C\u00e2mara","sequence":"additional","affiliation":[]},{"given":"Edson F. da","family":"Silva","sequence":"additional","affiliation":[]},{"given":"Samir A.","family":"Carvalho","sequence":"additional","affiliation":[]}],"member":"329","published-online":{"date-parts":[[2019,9,3]]},"reference":[{"key":"lh5917_bb1","doi-asserted-by":"crossref","first-page":"223","DOI":"10.1016\/j.bmcl.2016.11.071","volume":"27","author":"Angelova","year":"2017","journal-title":"Bioorg. 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