NLO response of derivatives of benzene, stilbene and diphenylacetylene:MP2 and DFT calculations

A. M. Elhorri; M. Zouaoui-Rabah

doi:10.1016/j.cjche.2016.09.001

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NLO response of derivatives of benzene, stilbene and diphenylacetylene:MP2 and DFT calculations

第25届中国过程控制会议专栏 | Updated：2026-01-06

- NLO response of derivatives of benzene, stilbene and diphenylacetylene:MP2 and DFT calculations
- Chinese Journal of Chemical Engineering Issue 6, Pages: 800-808(2017)
- Affiliations：
  
  Laboratoire de Microscopie, Microanalyse et Spectroscopie Moléculaire, Faculty of Sciences, Djillali Liabes University of Sidi-Bel-Abbes, Sidi22000-Bel-Abbes,Algeria
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2016.09.001
  CLC：
- Published：2017
- Accepted：
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A. M. Elhorri, M. Zouaoui-Rabah. NLO response of derivatives of benzene, stilbene and diphenylacetylene:MP2 and DFT calculations[J]. Chinese Journal of Chemical Engineering, 2017, (6): 800-808.
DOI：

A. M. Elhorri, M. Zouaoui-Rabah. NLO response of derivatives of benzene, stilbene and diphenylacetylene:MP2 and DFT calculations[J]. Chinese Journal of Chemical Engineering, 2017, (6): 800-808. DOI： 10.1016/j.cjche.2016.09.001.

摘要

Abstract

MP2 method and different functionals such as M06-HF

M06-2X

CAM-B3LYP

PBE0

B3LYP and M06L incorporating different XC amounts were used to calculate the static first hyperpolarizabilies β(0) of eight molecules which are derivatives of benzene

stilbene and diphenylacetylene. The values were then compared to the experimental ones. The M06-2X functional was then selected for further calculations. NBO calculations were also performed to define the intramolecular charge transfer in each molecule. TD-DFT calculations were performed taking into account the solvent effect using the IEF-PCM formalism. Some parameters characterizing the vertical transitions such as the wavelength of the maximum absorption λ

max

were compared to the experimental ones. Finally

solvation Gibbs free enthalpy ΔG

solv

values have also been examined in order to determine which the specific solvent for a given molecule is.

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