Hydrogen bonds in mixed-solvent Au-(CH3OH)(H2O) complex: A joint experimental and theoretical study
Hydrogen bonds in mixed-solvent Au-(CH3OH)(H2O) complex: A joint experimental and theoretical study
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混合溶剂 Au-(CH3OH)(H2O) 络合物中的氢键:联合实验和理论研究
DOI:
10.1016/j.cplett.2022.139854
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发表时间:
2022-09
影响因子:
2.8
通讯作者:
Xianfeng Zheng
中科院分区:
文献类型:
--
作者:
Zhengbo Qin;Qiaolin Wang;Lihe Xu;Wenjing Lv;Xianfeng Zheng
In contrast to Au-(H2O)2 and Au-(CH3OH)2 complexes, Au-(CH3OH)(H2O) complex involves two stable isomers, Iso-a and Iso-b . Experimental and theoretical evidences suggest Iso-a isomer is a major contribution to the spectral band and Iso-b is negligible due to its high energy. • Au-(CH3OH)(H2O) complex has two stable low-energy isomers, Iso-a and Iso-b . • The Iso-a of Au-(CH3OH)(H2O) complex forms a six-membered ring HB structure. • The contribution of Iso-b is negligible in experiment due to its high energy. Compared to the conventional hydrogen bonds, nonconventional hydrogen bonds have gained increasing interest in recent years. In this work, we firstly investigate hydrogen bonds in mixed-solvent Au - (CH 3 OH)(H 2 O) complex via gas phase anion photoelectron velocity map imaging associated with quantum chemical calculations. The vertical detachment energy of Au - (CH 3 OH)(H 2 O) complex is determined as 3.22 ± 0.02 eV. The calculations reveal these mixed-solvent solvated complexes having two stable low-energy isomers: Iso-a and Iso-b . And the experimental spectrum is ascribed to the contribution from Iso-a isomer. Detailed hydrogen bonding patterns have been revealed for both isomers.
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影响因子:
1.6
作者:
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通讯作者:
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DOI:
10.1002/anie.201811982
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DOI:
10.1021/jp411411j
发表时间:
2014-05
期刊:
The journal of physical chemistry. A
影响因子:
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