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author:

Xia, C.-J. (Xia, C.-J..) [1] | Wang, L.-F. (Wang, L.-F..) [2] | Huang, X. (Huang, X..) [3] | Wang, B. (Wang, B..) [4]

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Abstract:

Density functional theory (DFT) calculations are performed to investigate the electronic and structural properties of the stoichiometric thorium oxide clusters (ThO2)n −/0 (n = 1~5). Generalized Koopmans' theorem is applied to predict the vertical detachment energies (VDEs) which are used to simulate the anionic photoelectron spectra (PES). Molecular orbital analyses are performed as well to analyze the chemical bonding in these thorium oxide clusters. The results show that the ground states of (ThO2)n −/0 (n = 1~5) clusters prefer the low-spin structures. With increasing of the cluster size (n), the structure parameters of (ThO2)n −/0 (n = 1~5) gradually evolve toward bulk thorium oxide species. It shows that both the coordination number and the average bond length increase gradually in (ThO2)n −/0 (n = 1~5) to approach that of ThO2 bulk. What's more, the vibration frequencies of Th=O double bonds are found to be decreasing along with the increased cluster size. © 2019 Fujian Institute of Research of the Structure of Matter. All rights reserved.

Keyword:

Density functional theory; Electronic structure; Molecular orbital; Simulated photoelectron spectroscopy; Thorium oxide

Community:

  • [ 1 ] [Xia, C.-J.]Department of Criminal Science and Technology, Hunan Police Academy, Changsha, 410138, China
  • [ 2 ] [Wang, L.-F.]Department of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 3 ] [Huang, X.]Department of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 4 ] [Wang, B.]Department of Criminal Science and Technology, Hunan Police Academy, Changsha, 410138, China

Reprint 's Address:

  • [Xia, C.-J.]Department of Criminal Science and Technology, Hunan Police AcademyChina

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Source :

Jiegou Huaxue

ISSN: 0254-5861

CN: 35-1112/TQ

Year: 2019

Issue: 7

Volume: 38

Page: 1053-1068

0 . 7 3 7

JCR@2019

5 . 9 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:184

JCR Journal Grade:4

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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