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Article: [Pt2(dppf)2(μ-S)2] as a heterometallic ligand. Simple assembly of an electroactive interpolymetallic complex [Pt2Tl(dppf)2(μ-S)2]X (X = NO3, PF6) (dppf = 1,1′-bis(diphenylphosphino)ferrocene)
Title | [Pt2(dppf)2(μ-S)2] as a heterometallic ligand. Simple assembly of an electroactive interpolymetallic complex [Pt2Tl(dppf)2(μ-S)2]X (X = NO3, PF6) (dppf = 1,1′-bis(diphenylphosphino)ferrocene) |
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Authors | |
Issue Date | 1995 |
Citation | Inorganic Chemistry, 1995, v. 34, n. 26, p. 6425-6429 How to Cite? |
Abstract | Facile complexation of a heterometallic ligand Pt2(dppf)2(μ-S)2 (dppf = 1,1′-bis(diphenylphosphino)ferrocene) with TlNO3 gives [Pt2Tl(dppf)2(μ3-S)2]NO 3, which metathesizes with NH4PF6 to give its PF6 - salt. This Lewis acid-base addition forms the basis of an assembly of electroactive interpolymetallic aggregates which are constituted of an unsaturated fragment of a p-block metal and two redox-active PtII cores, linked by two flexible sulfide bridges. Intermetallics of other metals, viz. Pt2(dppf)2(μ3-S)2InCl3 and [Pt2(dppf)2(μ3-S)2Pb(NO 3)]NO3, are similarly assembled. The X-ray molecular structure of [Pt2Tl(dppf)2(μ3-S)2]PF 6 reveals a side-on attachment of the ligand thereby exposing an "empty space" on the TlI atom. [Pt2Tl{(C5H4PPh2) 2Fe}2(S)2]PF6: a 17.795(4), b 10.553(2), c 17.936(4) Å; monoclinic; P2/n; Z 2. No direct Pt-Tl bonding is envisaged but the close contacts between the two atoms (3.389(1) Å) enable 195P-203/205Tl coupling to be observed in the 195Pt NMR spectrum. The electrochemical behavior of this complex is examined by cyclic voltammetry in 1,2-dichloroethane. The complex undergoes an apparently irreversible two-electron-transfer process of the Tl+ center and a quasi-reversible two-electron-transfer process involving two noninteracting ferrocenyl moieties. © 1995 American Chemical Society. |
Persistent Identifier | http://hdl.handle.net/10722/219400 |
ISSN | 2023 Impact Factor: 4.3 2023 SCImago Journal Rankings: 0.928 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Zhou, Meisheng | - |
dc.contributor.author | Xu, Yan | - |
dc.contributor.author | Tan, Ai Min | - |
dc.contributor.author | Leung, Pak Hing | - |
dc.contributor.author | Mok, K. F. | - |
dc.contributor.author | Koh, Lip Lin | - |
dc.contributor.author | Hor, T. S Andy | - |
dc.date.accessioned | 2015-09-23T02:56:58Z | - |
dc.date.available | 2015-09-23T02:56:58Z | - |
dc.date.issued | 1995 | - |
dc.identifier.citation | Inorganic Chemistry, 1995, v. 34, n. 26, p. 6425-6429 | - |
dc.identifier.issn | 0020-1669 | - |
dc.identifier.uri | http://hdl.handle.net/10722/219400 | - |
dc.description.abstract | Facile complexation of a heterometallic ligand Pt2(dppf)2(μ-S)2 (dppf = 1,1′-bis(diphenylphosphino)ferrocene) with TlNO3 gives [Pt2Tl(dppf)2(μ3-S)2]NO 3, which metathesizes with NH4PF6 to give its PF6 - salt. This Lewis acid-base addition forms the basis of an assembly of electroactive interpolymetallic aggregates which are constituted of an unsaturated fragment of a p-block metal and two redox-active PtII cores, linked by two flexible sulfide bridges. Intermetallics of other metals, viz. Pt2(dppf)2(μ3-S)2InCl3 and [Pt2(dppf)2(μ3-S)2Pb(NO 3)]NO3, are similarly assembled. The X-ray molecular structure of [Pt2Tl(dppf)2(μ3-S)2]PF 6 reveals a side-on attachment of the ligand thereby exposing an "empty space" on the TlI atom. [Pt2Tl{(C5H4PPh2) 2Fe}2(S)2]PF6: a 17.795(4), b 10.553(2), c 17.936(4) Å; monoclinic; P2/n; Z 2. No direct Pt-Tl bonding is envisaged but the close contacts between the two atoms (3.389(1) Å) enable 195P-203/205Tl coupling to be observed in the 195Pt NMR spectrum. The electrochemical behavior of this complex is examined by cyclic voltammetry in 1,2-dichloroethane. The complex undergoes an apparently irreversible two-electron-transfer process of the Tl+ center and a quasi-reversible two-electron-transfer process involving two noninteracting ferrocenyl moieties. © 1995 American Chemical Society. | - |
dc.language | eng | - |
dc.relation.ispartof | Inorganic Chemistry | - |
dc.title | [Pt2(dppf)2(μ-S)2] as a heterometallic ligand. Simple assembly of an electroactive interpolymetallic complex [Pt2Tl(dppf)2(μ-S)2]X (X = NO3, PF6) (dppf = 1,1′-bis(diphenylphosphino)ferrocene) | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1021/ic00130a006 | - |
dc.identifier.scopus | eid_2-s2.0-0001395992 | - |
dc.identifier.volume | 34 | - |
dc.identifier.issue | 26 | - |
dc.identifier.spage | 6425 | - |
dc.identifier.epage | 6429 | - |
dc.identifier.isi | WOS:A1995TM02100006 | - |
dc.identifier.issnl | 0020-1669 | - |