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Citation: Zhang Jian-Hua, Wu Yue, Zhuang You-Yi, Zhang Han-Jie, Li Hai-Yang, He Pi-Mo, Bao Shi-Ning, Liu Feng-Qin, Qian Hai-Jie. Orbital Symmetry of the Acetylene on Ru(1010) Surface[J]. Acta Physico-Chimica Sinica, ;2001, 17(07): 600-603. doi: 10.3866/PKU.WHXB20010705 shu

Orbital Symmetry of the Acetylene on Ru(1010) Surface

1.
Physics Department, Zhejiang University,Hangzhou　310027;Laboratory for Synchrotron Radiation,Institute of High Energy Physics,Chinese A cademy of Sciences,Beijing　100039

Received Date: 11 January 2001
Available Online: 15 July 2001

The acetylene (C2H2) adsorbed on Ru() surface has been studied by usin g angle-resolved ultraviolet photoelectron spectroscopy (ARUPS). The dependence of the σCC peak intensity on incidence angle and emission angle shows that C- C axis of acetylene（C2H2）is not parallel to the Ru() surface(see Fig.2). The C -C axis of acetylene is tilted in <0001> azimuth according to its symmetry(see Fig.3). Not as the acetylene in gas phase,the C-H bond of the acetylene adsorbe d on Ru () surface is not along the direction of the C-C bond.
- Acetylene;Ru(1010) surface;Molecular orbit;Symmetry;ARUPS
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