dc.creator |
Zhu, Shuguang |
|
dc.creator |
Schriver, Melbourne J. |
|
dc.creator |
Hendsbee, Arthur D. |
|
dc.creator |
Masuda, Jason Douglas, 1977- |
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dc.date.accessioned |
2021-09-24T13:04:11Z |
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dc.date.available |
2021-09-24T13:04:11Z |
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dc.date.issued |
2017-11-01 |
|
dc.identifier.issn |
2056-9890 |
|
dc.identifier.uri |
http://library2.smu.ca/xmlui/handle/01/29929 |
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dc.description |
Published version |
en_CA |
dc.description.abstract |
The syntheses and crystal structures of two isomers of phenyl iso­thia­zolyl oxa­thia­zolone, C<sub>11</sub>H<sub>6</sub>N<sub>2</sub>O<sub>2</sub>S<sub>2</sub>, are described [systematic names: 5-(3-phenyl­iso­thia­zol-5-yl)-1,3,4-oxa­thia­zol-2-one, (I), and 5-(3-phenyl­iso­thia­zol-4-yl)-1,3,4-oxa­thia­zol-2-one, (II)]. There are two almost planar (r.m.s. deviations = 0.032 and 0.063 Å) mol­ecules of isomer (I) in the asymmetric unit, which form centrosymmetric tetra­mers linked by strong S<sup>...</sup>N [3.072 (2) Å] and S<sup>...</sup>O contacts [3.089 (1) Å]. The tetra­mers are π-stacked parallel to the <em>a</em>-axis direction. The single mol­ecule in the asymmetric unit of isomer (II) is twisted into a non-planar conformation by steric repulsion [dihedral angles between the central iso­thia­zolyl ring and the pendant oxa­thia­zolone and phenyl rings are 13.27 (6) and 61.18 (7)°, respectively], which disrupts the π-conjugation between the heteroaromatic iso­thia­zoloyl ring and the non-aromatic oxa­thia­zolone heterocycle. In the crystal of isomer (II), the strong S<sup>...</sup>O [3.020 (1) Å] and S<sup>...</sup>C contacts [3.299 (2) Å] and the non-planar structure of the mol­ecule lead to a form of π-stacking not observed in isomer (I) or other oxathiazolone derivatives. |
en_CA |
dc.description.provenance |
Submitted by Sherry Briere (sherry.briere@smu.ca) on 2021-09-24T13:04:11Z
No. of bitstreams: 1
Masuda_Jason_D_article_2017.pdf: 839386 bytes, checksum: 21e37bb226cb67c41e776fe3177521c9 (MD5) |
en |
dc.description.provenance |
Made available in DSpace on 2021-09-24T13:04:11Z (GMT). No. of bitstreams: 1
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Previous issue date: 2017-11-01 |
en |
dc.language.iso |
en |
en_CA |
dc.publisher |
International Union of Crystallography |
en_CA |
dc.relation.uri |
https://doi.org/10.1107/S2056989017015067 |
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dc.rights |
<a rel="license" href="http://creativecommons.org/licenses/by/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by/4.0/80x15.png" /></a> This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 International License</a> |
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dc.subject.lcsh |
Thiazoles |
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dc.subject.lcsh |
Bioconjugates |
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dc.subject.lcsh |
Nitriles |
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dc.title |
The crystal structures of two isomers of 5-(phenyl- isothiazolyl)-1,3,4-oxathiazol-2-one |
en_CA |
dc.type |
Text |
en_CA |
dcterms.bibliographicCitation |
Acta Crystallographica: Section E 73(11), 1726-1731. (2017) |
en_CA |