Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/201802
Type: Artigo de periódico
Title: Crystal Structure Of (3e)-3-[(4-nitro-phen-oxy)-meth-yl]-4-phenyl-but-3-en-2-one.
Author: Zukerman-Schpector, Julio
Maganhi, Stella H
Moran, Paulo J S
de Paula, Bruno R S
Nucci, Paulo R
Tiekink, Edward R T
Abstract: In the title compound, C17H15NO4, the conformation about the C=C double bond [1.348 (2) Å] is E with the ketone group almost co-planar [C-C-C-C torsion angle = 7.2 (2)°] but the phenyl group twisted away [C-C-C-C = 160.93 (17)°]. The terminal aromatic rings are almost perpendicular to each other [dihedral angle = 81.61 (9)°] giving the mol-ecule an overall U-shape. The crystal packing feature benzene-C-H⋯O(ketone) contacts that lead to supra-molecular helical chains along the b axis. These are connected by π-π inter-actions between benzene and phenyl rings [inter-centroid distance = 3.6648 (14) Å], resulting in the formation of a supra-molecular layer in the bc plane.
Subject: Crystal Structure
Hydrogen Bonding
π–π Inter­actions
Rights: aberto
Identifier DOI: 10.1107/S1600536814018327
Address: http://www.ncbi.nlm.nih.gov/pubmed/25309202
Date Issue: 2014
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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