Abstract
In this work we present the comparison study of Adenine and Thymine crystals based on the hydrogen bond dynamics. The ab initio molecular dynamics have been used as the base for the further studied interactions observed inside crystals. The generated power spectra, as well as the fluctuation of the interaction energies, showed large differences between hydrogen bond networks in the considered crystals. The analysis of intermolecular interactions have been done base on the reactivity descriptors as well frontiers orbitals along trajectories. The main results showed that in adenine crystals the intermolecular interactions have three directions and fluctuate, while in the thymine crystal have only two directions and are weak but stable. These results explain also on the difference between adenine and thymine melting temperature.
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Schedule a callMore From: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
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