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Acta Physico-Chimica Sinica  2004, Vol. 20 Issue (01): 27-32    DOI: 10.3866/PKU.WHXB20040106
Article     
Study of CN Adsorbed on Pt(100) by Density Functional Theory
Hu Jian-Ming;Li Jun-Qian;Li Yi;Zhang Yong-Fan;Lin Wei
College of Chemistry and Chemical Engineering, Fuzhou University, State Key Laboratory of Structural Chemistry, Fuzhou 350002; Scientific and Technical Section, Command Academy of Fuzhou, the Chinese People’s Police Army ,Fuzhou 350002
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Abstract  The interaction of cyanide (CN) with different sites of Pt(100) surface is studied by using density functional theory (DFT). Pt14 cluster is used to simulate the surface. The present calculations show that the top site is more favorable than other adsorption sites when CN is bonded to the surface via the carbon, and the calculated C-N stretching frequency is blue shift in agreement with the experimental results. For other adsorption sites on the Pt(100) surface, the calculated C-N stretching frequencies are red shift. When CN molecule adsorbed on Pt(100),the charge transfer between the σ and π electron of CN molecule and the substrate led to the variation of CN vibrational frequency.

Key wordsDensity function      Pt(100) surface      Cyanide      Adsorption     
Received: 16 June 2003      Published: 15 January 2004
Corresponding Authors: Li Jun-Qian     E-mail: quant@fzu.edu.cn
Cite this article:

Hu Jian-Ming;Li Jun-Qian;Li Yi;Zhang Yong-Fan;Lin Wei. Study of CN Adsorbed on Pt(100) by Density Functional Theory. Acta Physico-Chimica Sinica, 2004, 20(01): 27-32.

URL:

http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/10.3866/PKU.WHXB20040106     OR     http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/Y2004/V20/I01/27

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