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The dihedral angles between the pyrazole ring and the phenyl and benzene rings are 3.69\u2005(10) and 46.47\u2005(9)\u00b0, respectively. In the crystal, molecules are linked by weak C\u2014H...O hydrogen bonds, generating<jats:italic>C<\/jats:italic>(16) chains propagating in [301]. Weak aromatic \u03c0\u2013\u03c0 stacking interactions [centroid\u2013centroid distances = 3.6123\u2005(10) and 3.6665\u2005(10)\u2005\u00c5] link the chains into a three-dimensional network.<\/jats:p>","DOI":"10.1107\/s2056989014026899","type":"journal-article","created":{"date-parts":[[2014,12,19]],"date-time":"2014-12-19T11:45:29Z","timestamp":1418989529000},"page":"94-96","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":3,"title":["Crystal structure of (<i>Z<\/i>)-4-[1-(4-acetylanilino)ethylidene]-3-methyl-1-phenyl-1<i>H<\/i>-pyrazol-5(4<i>H<\/i>)-one"],"prefix":"10.1107","volume":"71","author":[{"given":"Refaat M.","family":"Mahfouz","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zeynep","family":"Demircio\u011flu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mohamed S.","family":"Abbady","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Orhan","family":"B\u00fcy\u00fckg\u00fcng\u00f6r","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"329","published-online":{"date-parts":[[2015,1,1]]},"reference":[{"key":"hb7330_bb1","doi-asserted-by":"crossref","first-page":"1159","DOI":"10.1007\/s10947-009-0170-4","volume":"50","author":"Amarasekara","year":"2009","journal-title":"J. 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