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Citation: JIAO Yu-Qiu, SUN Qiang, FAN Di. Theoretical Study of Excited States Properties of Au(I) Complexes with Alkynyl[J]. Acta Physico-Chimica Sinica, ;2006, 22(10): 1196-1200. doi: 10.3866/PKU.WHXB20061005 shu

Theoretical Study of Excited States Properties of Au(I) Complexes with Alkynyl

1.
Department of Mathematics and Physics, China University of Petroleum(Beijing), Beijing 102249, P. R. China; Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130022, P. R. China

Received Date: 8 March 2006
Available Online: 11 October 2006

The structures of the Au(I) complexes were fully optimized by using the MP2 method for the ground states and the CIS method for the excited states. In the ground states, it is clear that the molecule distances show a tendency of shortening towards middle; the modification effect of Au(I) weakens the bonding inside the ligand; with the lengthening of molecules, the bonding between the metal and ligand is weakened. In the excited states, the bonding effect between metal and ligand is weakened because of the electron transitions, which becomes clear with the lengthening of molecules. The results showed that the fluorescences of the Au(I) complexes have an inimitable nature, and the —AuPH3 has more ionic nature than —H.
- [Au(PH3)]+;Excited state;Theoretical study;Fluorescence
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