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A Complete DFT, TD-DFT and Non-Linear Optical Property Study on 6-Amino-2-Methylpyridine-3-Carbonitrile

机译:6-氨基-2-甲基吡啶-3-腈的完全DFT,TD-DFT和非线性光学性质研究

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The optimized geometric structure and photophysical properties of 6-Amino-2-methylpyridine-3-carbonitrile dye have been studied by using Density Functional Theory (DFT). The lowest singlet excited state geometry optimized using Time-Dependent Density Functional Theory (TD-DFT). On the basis of ground and excited state geometries, the absorption spectra have been calculated using the DFT and TD-DFT method in gas phase and acetonitrile medium. To understand the Non-Linear Optical properties of 6-Amino-2-methylpyridine-3-carbonitrile dye, we computed dipole moment (μ), electronic polarizability (α), and first hyperpolarizability (β0) and second order hyperpolarizability (γ) using B3LYP density functional theory method in conjunction with 6-311++G(d) basis set.
机译:通过使用密度泛函理论(DFT)研究了6-氨基-2-甲基吡啶-3-腈染料的优化几何结构和光学性质。使用时间依赖性密度泛函理论(TD-DFT)优化的最低单线发出状态几何。在地面和激发状态几何形状的基础上,已经使用气相和乙腈介质中的DFT和TD-DFT方法计算吸收光谱。要了解6-氨基-2-甲基吡啶-3-碳腈染料的非线性光学性质,我们计算了偶极力矩(μ),电子极化性(α)和第一种超极化(β0)和二阶超极化(γ)使用B3LYP密度泛函理论方法与6-311 ++ g(d)基础集合。

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