DFT analysis of cubane-type feir3s4 clusters. Dinitrogen binding and activation at the tetrahedral Fe site

Pawel M. Kozlowski, Yoshihito Shiota, Satomi Gomita, Hidetake Seino, Yasushi Mizobe, Kazunari Yoshizawa

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The electronic and structural properties of the cubane-type mixed-metal sulfido clusters with a FeIr3S4 core and possible dinitrogen binding and activation were analyzed by density functional theory (DFT) calculations. Five different charges of the cluster and manifold of the electronic states were investigated. For each charge under consideration (+2, + 1,0, - 1, - 2) systematic analysis of structural and electronic properties was carried out. The DFT calculations show that both Fe-N and N=N bond lengths correlate with the total charge of the cluster. The length of the Fe-N bond decreased, whereas the N=N bond length increased with the number of added electrons. However, only noticeable elongation of the N=N bond was observed when the charge of the cluster became negative. Similar analysis was extended to species that have protonated dinitrogen bond. The results obtained from the DFT analysis are useful in considering the principles of the reduction of dinitrogen to ammonia at a single metal center.

Original languageEnglish
Pages (from-to)2323-2328
Number of pages6
JournalBulletin of the Chemical Society of Japan
Volume80
Issue number12
DOIs
Publication statusPublished - Dec 1 2007

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Density functional theory
Chemical activation
Bond length
Electronic properties
Structural properties
Metals
Electronic states
Ammonia
Elongation
Electrons

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

DFT analysis of cubane-type feir3s4 clusters. Dinitrogen binding and activation at the tetrahedral Fe site. / Kozlowski, Pawel M.; Shiota, Yoshihito; Gomita, Satomi; Seino, Hidetake; Mizobe, Yasushi; Yoshizawa, Kazunari.

In: Bulletin of the Chemical Society of Japan, Vol. 80, No. 12, 01.12.2007, p. 2323-2328.

Research output: Contribution to journalArticle

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