有机分子羟色胺结构、光谱和非线性光学特性的量子化学研究

Thayala Sanker S, Arunachalam S, Raju S, Velayutham Pillai M, Kumaresan R
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引用次数: 0

摘要

血清素是一种以促进快乐和乐观情绪而闻名的神经递质,它是使用高斯软件进行理论研究的主题。在这些实验中,采用了 6-311++G/B3LYP 基集。基于有限场的 B3LYP/6-311++G (d,p) 方法被用来计算该化学体系的一阶超极化率和相关特性。此外,还进行了自然键轨道(NBO)分析,以评估分子的稳定性,并将超共轭相互作用和电荷析出考虑在内。此外,还计算了 HOMO-LUMO 能级,以评估化学物质是否具有亲电或亲核特性。还进行了 TD-DFT 模拟,以检查材料的电学和光学特性,包括吸收波长和激发能量。随后,通过计算分子静电势(MEP)来确定化合物的亲电性或亲核性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Quantum Chemical Investigation on Structural, Spectroscopic and Nonlinear Optical properties of an Organic Molecule Serotonin
Serotonin, a neurotransmitter known for promoting feelings of happiness and optimism, was the subject of theoretical studies conducted using Gaussian software. In these experiments, the 6-311++G/B3LYP basis set was employed. The finite-field-based B3LYP/6-311++G (d,p) approach was used to compute the first-order hyper polarizability and associated properties of this chemical system. Additionally, a Natural Bond Orbital (NBO) analysis was conducted to assess the molecule's stability, taking into account hyper conjugative interactions and charge delocalization. Additionally, HOMO-LUMO energy levels were computed to assess whether a chemical exhibits electrophilic or nucleophilic characteristic. TD-DFT simulations were conducted to examine the electrical and optical characteristics of the material, including absorption wavelengths and excitation energy. Subsequently, the chemical compound's electrophilic or nucleophilic nature was determined by calculating the molecular electrostatic potential (MEP).
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