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Crystal structure of 5-[2-(2,4,6-tri-bromo-phen-yl)diazen-yl]tropolone.
Hill, Tania N; Savig, Kelsey L; Lemmerer, Andreas.
Affiliation
  • Hill TN; Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, PO WITS 2050, Johannesburg, South Africa.
  • Savig KL; Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, PO WITS 2050, Johannesburg, South Africa.
  • Lemmerer A; Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, PO WITS 2050, Johannesburg, South Africa.
Acta Crystallogr E Crystallogr Commun ; 74(Pt 5): 709-712, 2018 May 01.
Article in En | MEDLINE | ID: mdl-29850097
ABSTRACT
The title compound {systematic name 2-hy-droxy-5-[2-(2,4,6-tri-bromo-phen-yl)diazen-1-yl]cyclo-hepta-2,4,6-trien-1-one}, C13H7Br3N2O2, is essentially planar, with an r.m.s. deviation of 0.054 Å. The mol-ecular structure is fixed in the azo tautomer by intra-molecular C-H⋯N inter-actions, with O-H⋯O hydrogen bonds creating linked dimers. Charge-transfer inter-actions are observed, with the segregated stacks linked by Br⋯Br inter-actions.
Key words

Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Acta Crystallogr E Crystallogr Commun Year: 2018 Document type: Article Affiliation country:

Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Acta Crystallogr E Crystallogr Commun Year: 2018 Document type: Article Affiliation country:
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