Advances in computational actinide chemistry in China

Advances in computational actinide chemistry in China
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我国计算锕系化学研究进展

DOI:
10.1515/ract-2014-2104
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发表时间:
2014-02
期刊:
影响因子:
1.8
通讯作者:
Chai, Zhifang
Chai, Zhifang
中科院分区:
化学3区
文献类型:
--
作者:
Su, Jing;Wu, Jingyi;Li, Jun;Chai, Zhifang

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摘要 综述了我国计算锕系化学的研究进展。已经探索了与气相、液相和固相锕系元素化学相关的几个领域。然而,我们将范围限制在气相和液相分子锕系元素系统化学中的选定贡献。这些研究可分为两类:相对论效应的处理,包括二元和四元哈密顿量的发展和相对论赝势的优化,以及理论方法在锕系化学中的应用。应用包括(1)锕系、稀有气体配合物、An-C多重键合化合物、铀酰及其等电子物种、氟化物和氧化物、孤立形式(U2、Pu2)和富勒烯(U2@C60)中具有金属-金属键合的分子系统,以及锕系元素配合物的激发态; (2)化学反应,包括六氟化铀的氧化、水解、配体交换、钍氧和硫化茂金属的反应性、三价铀络合物促进的CO2/CS2官能化; (3)锕系元素在环境中的迁移。讨论了未来的前景。
Abstract The advances in computational actinide chemistry made in China are reviewed. Several areas relevant to chemistry of actinides in gas, liquid, and solid phases have been explored. However, we limit the scope to selected contributions in the chemistry of molecular actinide systems in gas and liquid phases. These studies may be classified into two categories: treatment of relativistic effects, which cover the development of two- and four-component Hamiltonians and the optimization of relativistic pseudopotentials, and the applications of theoretical methods in actinide chemistry. The applications include (1) the electronic structures of actinocene, noble gas complexes, An-C multiple bonding compounds, uranyl and its isoelectronic species, fluorides and oxides, molecular systems with metal-metal bonding in their isolated forms (U2, Pu2) and in fullerene (U2@C60), and the excited states of actinide complexes; (2) chemical reactions, including oxidation, hydrolysis of UF6, ligand exchange, reactivities of thorium oxo and sulfido metallocenes, CO2/CS2 functionalization promoted by trivalent uranium complex; and (3) migration of actinides in the environment. A future outlook is discussed.
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