Zhiling Liu, Yonghong Yan, Yufeng Yang, Xiaoyue Yao, Jingmei Jiao, Fuqiang Zhang, Jianfeng Jia, Ya Li
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Decentralized Metal-Metal Bonding in the AuNi(CO)4- Anion Described Equally Well with Dative Bonding as with Electron-Sharing Bonding.
The heterodinuclear AuNi(CO)4- complex is scrutinized in the gas phase by using mass-selected anionic photoelectron velocity-map imaging spectroscopy in conjunction with theoretical computations. The ground state of AuNi(CO)4- is characterized to have an Au-Ni bonded structure, consisting of an AuCO fragment attached to the Ni center of the Ni(CO)3 fragment. Comprehensive quantum chemical studies reveal that the AuNi(CO)4- complex at equilibrium structure features a decentralized bonding scenario, where the exotic metal-metal σ bonding may be equally well described with dative bonding as with electron-sharing bonding between two fragments.
期刊介绍：
The Journal of Physical Chemistry A is devoted to reporting new and original experimental and theoretical basic research of interest to physical chemists, biophysical chemists, and chemical physicists.
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