期刊论文详细信息
Acta Crystallographica Section E: Crystallographic Communications | |
Investigations of new potential photo-acid generators: crystal structures of 2-[(E)-2-phenylethenyl]phenol (orthorhombic polymorph) and (2E)-3-(2-bromophenyl)-2-phenylprop-2-enoic acid | |
Yin, L.J.1  Harrison, W.T.A.2  Plater, M.J.2  | |
[1]Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia | |
[2]Department of Chemistry, University of Aberdeen, Meston Walk, Aberdeen AB24 3UE, Scotland | |
关键词: CRYSTAL STRUCTURE; STILBENE; CINNAMIC ACID; PHOTO-ACID GENERATOR; O-H...[PI] INTERACTIONS; | |
DOI : 10.1107/S2056989016002942 | |
学科分类:数学(综合) | |
来源: International Union of Crystallography | |
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【 摘 要 】
The title compounds, C14H12O, (I), and C15H11BrO2, (II), were prepared and characterized as part of our studies of potential new photo-acid generators. In (I), which crystallizes in the orthorhombic space group Pca21, compared to P21/n for the previously known monoclinic polymorph [Cornella & Martin (2013). Org. Lett. 15, 6298–6301], the dihedral angle between the aromatic rings is 4.35 (6)° and the OH group is disordered over two sites in a 0.795 (3):0.205 (3) ratio. In the crystal of (I), molecules are linked by O—H⋯π interactions involving both the major and minor –OH disorder components, generating [001] chains as part of the herringbone packing motif. The asymmetric unit of (II) contains two molecules with similar conformations (weighted r.m.s. overlay fit = 0.183 Å). In the crystal of (II), both molecules form carboxylate inversion dimers linked by pairs of O—H⋯O hydrogen bonds, generating R22(8) loops in each case. The dimers are linked by pairs of C—H⋯O hydrogen bonds to form [010] chains.【 授权许可】
CC BY
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