Abstract
Homochiral solutions of trifluoroacetylaminoalcohols (TFAAAs) are investigated. It is established that TFAAA molecules aggregate into submicroscopic string with long-range order and helical symmetry, followed by successive formation, through supercoiling, of alternating chiral phases (elementary strings combine into microscopic due to the van der Waals interaction), observed as a structural transition with a width of 20–40°C. A microscopic model of a string is proposed, which takes into account that the stereospecificity of the multicenter interaction (complementarity) imposed by chirality leads to a stacking compact molecular packing (submicroscopic or elementary) of strings with a long-range order.
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Original Russian Text © S.V. Stovbun, A.A. Skoblin, F.V. Bulygin, V.L. Minaev, V.O. Kompanets, V.B. Laptev, E.A. Ryabov, S.V. Chekalin, S.E. Permyakov, 2015, published in Khimicheskaya Fizika, 2015, Vol. 34, No. 3, pp. 10–17.
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Stovbun, S.V., Skoblin, A.A., Bulygin, F.V. et al. Structural transitions in chiral solutions and a microscopic model of a chiral string. Russ. J. Phys. Chem. B 9, 193–200 (2015). https://doi.org/10.1134/S1990793115020116
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DOI: https://doi.org/10.1134/S1990793115020116