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Journal Article

The adsorption site of pyridine on Ni{111} determined by low-energy photoelectron diffraction

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Fritzsche,  V.
Fritz Haber Institute, Max Planck Society;

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Bao,  Shining
Fritz Haber Institute, Max Planck Society;

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Hofmann,  Philip
Fritz Haber Institute, Max Planck Society;

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Polcik,  Martin
Fritz Haber Institute, Max Planck Society;

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Schindler,  Karl-Michael
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Bradshaw,  Alexander M.
Fritz Haber Institute, Max Planck Society;

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Citation

Fritzsche, V., Bao, S., Hofmann, P., Polcik, M., Schindler, K.-M., Bradshaw, A. M., et al. (1994). The adsorption site of pyridine on Ni{111} determined by low-energy photoelectron diffraction. Surface Science, 319(1-2), L1-L6. doi:10.1016/0039-6028(94)90559-2.


Cite as: https://hdl.handle.net/21.11116/0000-0009-9954-C
Abstract
The adsorption site of pyridine (C5H5N) on Ni{111} has been investigated by scanned-energy mode photoelectron diffraction using the N 1s core level. It was found that the nitrogen atom adsorbs close to the atop position with an angle of 18° (+ 2° - 4°) between the N-Ni bond and the surface normal. The N-Ni bond length is 1.97 ± 0.03 Å. Since recent X-ray absorption studies show that the π system of the pyridine is also tilted by about 20° away from the surface normal, we conclude that the N-Ni bond and the ring plane are co-planar.