Journal
COMPUTATIONAL AND THEORETICAL CHEMISTRY
Volume 1124, Issue -, Pages 32-38Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.comptc.2017.12.008
Keywords
Structure; Vibrational spectroscopy; Stability parameters
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Funding
- DCEN (Division de Ciencias Exactas y Naturales) in Universidad de Sonora [US0315001053, US0315000709]
- catedras CONACYT
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This article presents the fabrication of Metallic structures made of ultra-small clusters. The study of metallic clusters is essential in the understanding of the physical properties of this type of systems. In this sense, first-principles calculations of the structural and vibrational properties of the clusters TinAu (n = 2-15) and (TiAu)(m) (m = 1-10) were studied by density functional theory (DFT) with the functional B3LYP and the LANL2DZ basis set. The results indicate that cases Ti-7 and Ti-13 are magic number clusters that correspond to those reported in literature. Similarly, caseTi(2)Au is a magic number cluster, as it shows a maximum value in the second difference of energy. The study found that the symmetrical modes which show a radial expansion-contraction movement are the most intense vibrational modes in all the structures. (C) 2017 Elsevier B.V. All rights reserved.
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