Crystal structures of dimethyl 5-iodo-iso-phthal-ate and dimethyl 5-ethynyl-iso-phthal-ate
Acta Crystallographica Section E: Crystallographic Communications, ISSN: 2056-9890, Vol: 74, Issue: Pt 8, Page: 1093-1096
2018
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Article Description
In dimethyl 5-iodo-isophthalate, C H IO, (I), the planes through the methyl carboxyl-ate moieties are tilted with respect to the benzene ring, whereas the mol-ecular framework of dimethyl 5-ethynylisophthalate, C H O, (II), is perfectly planar. The crystal structure of (I) is stabilized by a three-dimensional supra-molecular network comprising C - H ... O=C hydrogen bonds, as well as I ... O=C inter-actions. In the crystal of (II), the mol-ecules are connected via C - H ethyn-yl ... O=C hydrogen bonds to infinite strands. Moreover, π-π arene stacking inter-actions connect the mol-ecular chains into two-dimensional supra-molecular aggregates.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85051116299&origin=inward; http://dx.doi.org/10.1107/s205698901800912x; http://www.ncbi.nlm.nih.gov/pubmed/30116569; https://journals.iucr.org/paper?S205698901800912X; https://dx.doi.org/10.1107/s205698901800912x; https://journals.iucr.org/e/issues/2018/08/00/zl2732/index.html
International Union of Crystallography (IUCr)
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