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author:

Li, J.-Q. (Li, J.-Q..) [1] | Zhang, Y.-F. (Zhang, Y.-F..) [2] | Huang, Z.-X. (Huang, Z.-X..) [3] | Wu, L.-M. (Wu, L.-M..) [4] | Zhou, L.-X. (Zhou, L.-X..) [5] | Lu, S.-F. (Lu, S.-F..) [6]

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Scopus

Abstract:

Using ab initio method and natural bond analyses, the electronic structures of dinuclear tungsten cluster [Et 4 N] 2 [W 2 S 4 (TDT) 2 ] and the cubane-like tetranuclear mixed-metal clusters W 2 MM′S 4 (TDT) 2 (PPh 3 ) 2 (M,M′ = Cu,Ag) have been studied. It is shown that the tungsten clusters are similar with the molybdenum clusters. Besides the metal-metal and metal-sulfur direct bonding, the metal - sulfur - metal interactions can be discerned by the multi-center d - pπ bondings, which exist among the metal and bridging(or terminal) sulfur atoms. The research results discover that the 3cπ(W-S b -W) and π(W-S 1 ) bonds in the dinuclear cluster built some 'active centers'. The nature of multi-centered d - pπ bondings and their effects on the stability and reactivities in [2 + 1 + 1] addition reactions of the tetranuclear clusters are discussed. © 1998 Elsevier Science B.V.

Keyword:

Bonding; M-M bonding; Mechanism of cluster formation; Multi-centered d-pπ; Tungsten-sulfur clusters

Community:

  • [ 1 ] [Li, J.-Q.]Department of Chemistry, Fuzhou University, Fuzhou, Fujian, 350002, China
  • [ 2 ] [Zhang, Y.-F.]Department of Chemistry, Fuzhou University, Fuzhou, Fujian, 350002, China
  • [ 3 ] [Huang, Z.-X.]Department of Chemistry, Fuzhou University, Fuzhou, Fujian, 350002, China
  • [ 4 ] [Wu, L.-M.]Department of Chemistry, Fuzhou University, Fuzhou, Fujian, 350002, China
  • [ 5 ] [Zhou, L.-X.]Department of Chemistry, Fuzhou University, Fuzhou, Fujian, 350002, China
  • [ 6 ] [Lu, S.-F.]Stt. Key Lab. of Structure Chemistry, Fuzhou, Fujian, 350002, China

Reprint 's Address:

  • [Li, J.-Q.]Department of Chemistry, Fuzhou University, Fuzhou, Fujian, 350002, China

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Source :

Journal of Molecular Structure: THEOCHEM

ISSN: 0166-1280

Year: 1998

Issue: 1-3

Volume: 429

Page: 237-246

1 . 0 4 8

JCR@1998

1 . 3 7 1

JCR@2012

JCR Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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