Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
Letter
Molecular Dynamics and Principal Component Analysis for a Self-assembled Nanocube in Aqueous Solution
Takako MashikoKenta YamadaTatsuo KojimaShuichi HiraokaUmpei NagashimaMasanori Tachikawa
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Volume 43 (2014) Issue 3 Pages 366-368

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Abstract

Molecular dynamics (MD) simulations in aqueous solution were performed for hexameric nanocubes of methylated (16) and demethylated (26) gear-shaped amphiphiles. To elucidate the difference between these nanocubes, the principal component analysis for the MD simulation results in aqueous solution and the normal mode analysis in the gas phase were also applied to the nanocube, 16 and 26. The structural fluctuation of the lowest-frequency motion on 26 is larger than that on 16 around the triple π stacking of 3-pyridyl groups. For the structural stability and fluctuation of the nanocube, interactions among the constituent gear-shaped molecules play more important roles than the solvophobic effect due to solvent molecules.

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© 2014 The Chemical Society of Japan
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