Density functional theory.

Density functional theory.
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DOI:
10.1007/s11120-009-9404-8
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发表时间:
2009-11
影响因子:
3.7
通讯作者:
Neese, Frank
Neese, Frank
中科院分区:
生物学3区
文献类型:
--
作者:
Orio, Maylis;Pantazis, Dimitrios A.;Neese, Frank

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密度泛函理论(DFT)在与生物系统相关的应用中得到越来越广泛的应用。在方法和实现方面的进步已经达到可以获得合理到高质量的预测特性的点。因此,DFT研究可以补充实验研究,甚至可以满怀信心地冒险进入实验未探索的领域。在目前的贡献中,我们提供了可以用密度泛函理论计算的性质的概述,例如几何结构、能量、反应机理和光谱性质。如今,DFT可以获得各种光谱参数,包括与红外光谱和光学光谱、X射线吸收和穆斯堡尔谱有关的量,以及与电子顺磁共振光谱有关的所有磁性质,但弛豫时间除外。我们用从最近的文献中挑选的例子来强调这些应用领域中的每一个,并评论当前方法的能力和局限性。
Density functional theory (DFT) finds increasing use in applications related to biological systems. Advancements in methodology and implementations have reached a point where predicted properties of reasonable to high quality can be obtained. Thus, DFT studies can complement experimental investigations, or even venture with some confidence into experimentally unexplored territory. In the present contribution, we provide an overview of the properties that can be calculated with DFT, such as geometries, energies, reaction mechanisms, and spectroscopic properties. A wide range of spectroscopic parameters is nowadays accessible with DFT, including quantities related to infrared and optical spectra, X-ray absorption and Mössbauer, as well as all of the magnetic properties connected with electron paramagnetic resonance spectroscopy except relaxation times. We highlight each of these fields of application with selected examples from the recent literature and comment on the capabilities and limitations of current methods.
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