Structural studies of N-(methoxysalicylidene)-fluoroaniline, N-(methoxysalicylidene)-chloroaniline and N-(methoxysalicylidene)-bromoaniline derivatives
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Published:2021-11-18
Issue:6
Volume:77
Page:974-980
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ISSN:2052-5206
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Container-title:Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials
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language:
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Short-container-title:Acta Crystallogr Sect B
Author:
Mason Helen E.,
Yates Jane L. R.,
Potts Rachael J.,
Gutmann Matthias J.,
Howard Judith A. K.ORCID,
Sparkes Hazel A.
Abstract
Twenty seven N-(methoxysalicylidene)-haloaniline (halo = F, Cl or Br) compounds were synthesized. The crystal structures of all 27 compounds have been determined at low temperature and are reported herein, along with a variable-temperature neutron diffraction study on two of the compounds. New polymorphs were identified for two of the compounds along with a temperature-induced phase transition for one of the other compounds. Visual observations on the thermochromism of the 27 compounds are also reported. The interplanar angle between the two aromatic rings and the intermolecular interactions in the structures are examined and linked to the visual observations on the thermochromism.
Publisher
International Union of Crystallography (IUCr)
Subject
Materials Chemistry,Metals and Alloys,Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials
Cited by
1 articles.
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