Photoelectron spectroscopy of iron–sulfur cluster anions

Iron–sulfur cluster anions (FenS−m, n=1–6, m=1–6) have been studied using photoelectron spectroscopy (PES) with a magnetic-bottle-type time-of-flight electron spectrometer. The FenS−m cluster anions were formed in a laser vaporization cluster source. It was found that the stable cluster ions are the...

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Veröffentlicht in:The Journal of chemical physics 1996-03, Vol.104 (10), p.3413-3419
Hauptverfasser: Zhang, Nan, Hayase, Takasuke, Kawamata, Hiroshi, Nakao, Kojiro, Nakajima, Atsushi, Kaya, Koji
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container_end_page 3419
container_issue 10
container_start_page 3413
container_title The Journal of chemical physics
container_volume 104
creator Zhang, Nan
Hayase, Takasuke
Kawamata, Hiroshi
Nakao, Kojiro
Nakajima, Atsushi
Kaya, Koji
description Iron–sulfur cluster anions (FenS−m, n=1–6, m=1–6) have been studied using photoelectron spectroscopy (PES) with a magnetic-bottle-type time-of-flight electron spectrometer. The FenS−m cluster anions were formed in a laser vaporization cluster source. It was found that the stable cluster ions are the ones with compositions of n=m and n=m±1. The electron affinities were measured from the onsets of the PES spectra. Three low-lying electronic states were observed for FeS. The PES spectra of FenS− (n=1–4) series show a unique similarity, indicating that the Fe atom addition to FeS− has little effect on the electronic property of FeS. The PES spectra of FenS−2 series show a similarity among the cluster anions with n=2–4, showing that Fe2S−2 is the structural framework of these clusters. For FenS−3 series, Fe3S−3 is proposed to be the structural framework. The electronic properties and geometrical structures of the clusters are discussed.
doi_str_mv 10.1063/1.471048
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title Photoelectron spectroscopy of iron–sulfur cluster anions
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