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The thermal expansion properties of halogen bond containing 1-4 dioxane halogen complexes.

Jones

The thermal expansion properties of halogen bond containing 1-4 dioxane halogen complexes. Thumbnail


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Abstract

Neutron powder diffraction has been used to determine accurate molecular structures and thermal expansion properties for the complexes formed between by iodine and bromine with 1{,}4 dioxane. The marked anisotropy in the magnitudes of the principal axes of the thermal expansion tensor for both compounds can be associated with the different intermolecular forces present{,} with the smallest values being associated with the halogen bonds formed between oxygen and the diatomic halogen molecules. The smallest thermal expansion coefficient of the 1{,}4 dioxane iodine complex is smaller than the corresponding coefficient in the corresponding bromine complex reflecting the stronger halogen bond formed between iodine and oxygen when compared to that formed between oxygen and bromine.

Acceptance Date Jul 23, 2019
Publication Date Sep 21, 2019
Publicly Available Date Mar 28, 2024
Journal CrystEngComm
Publisher Royal Society of Chemistry
Pages 5269-5277
DOI https://doi.org/10.1039/C9CE00803A
Publisher URL http://dx.doi.org/10.1039/C9CE00803A

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