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Article: Luminescent heterobimetallic complexes. Electronic structure and spectroscopy of [MPt(dppm)2(C≡CPh)2]PF6 (M = Au or Ag) and crystal structure of [AuPt(dppm)2(C≡CPh)2]PF6 (dppm = Ph2PCH2PPh2)
Title | Luminescent heterobimetallic complexes. Electronic structure and spectroscopy of [MPt(dppm)2(C≡CPh)2]PF6 (M = Au or Ag) and crystal structure of [AuPt(dppm)2(C≡CPh)2]PF6 (dppm = Ph2PCH2PPh2) |
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Authors | |
Issue Date | 1993 |
Publisher | Royal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/dalton |
Citation | Journal Of The Chemical Society, Dalton Transactions, 1993 n. 19, p. 2939-2944 How to Cite? |
Abstract | The crystal structure of [AuPt(dppm)2(C≡CPh)2]PF6·H 2O (dppm = Ph2PCH2PPh2) has been determined: triclinic, space group P1, Z = 2, a = 11.146(4), b = 14.512(2), c = 20.322(3) Å, α = 81.55(1), β = 101.27(2), γ = 109.35(2)°. The complex cation consists of a square-planar P-Pt(C≡CPh)2-P and a linear P-Au-P moiety and the measured intramolecular Pt-Au separation is 2.910(1) Å. The absorption and emission spectra of the complex and of [AgPt(dppm)2(C≡CPh)2]PF6 and trans-[Pt(dppm)2(C≡CPh)2] have been measured. Both dinuclear complexes possess low-energy intense electronic absorption bands {[AuPt(dppm)2(C≡CPh)2]PF6, λmax = 387 nm, εmax = 1.11 × 104 dm3 mol-1 cm-1; [AgPt(dppm)2(C≡CPh)2]PF6, λmax = 368, εmax = 1.63 × 104 dm3 mol-1 cm-1} which are red-shifted from that of trans-[Pt(dppm)2(C≡CPh)2]. In solid form, all three complexes exhibit photoluminescence at room temperature. Extended-Hückel molecular orbital calculations have been performed on the model complexes [AuPt(dmpm)2(C≡CPh)2]+ and trans-[Pt(dmpm)2(C≡CPh)2] (dmpm = Me2PCH2PMe2). |
Persistent Identifier | http://hdl.handle.net/10722/168172 |
ISSN | |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Yip, HK | en_US |
dc.contributor.author | Lin, HM | en_US |
dc.contributor.author | Wang, Y | en_US |
dc.contributor.author | Che, CM | en_US |
dc.date.accessioned | 2012-10-08T03:15:56Z | - |
dc.date.available | 2012-10-08T03:15:56Z | - |
dc.date.issued | 1993 | en_US |
dc.identifier.citation | Journal Of The Chemical Society, Dalton Transactions, 1993 n. 19, p. 2939-2944 | en_US |
dc.identifier.issn | 1472-7773 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/168172 | - |
dc.description.abstract | The crystal structure of [AuPt(dppm)2(C≡CPh)2]PF6·H 2O (dppm = Ph2PCH2PPh2) has been determined: triclinic, space group P1, Z = 2, a = 11.146(4), b = 14.512(2), c = 20.322(3) Å, α = 81.55(1), β = 101.27(2), γ = 109.35(2)°. The complex cation consists of a square-planar P-Pt(C≡CPh)2-P and a linear P-Au-P moiety and the measured intramolecular Pt-Au separation is 2.910(1) Å. The absorption and emission spectra of the complex and of [AgPt(dppm)2(C≡CPh)2]PF6 and trans-[Pt(dppm)2(C≡CPh)2] have been measured. Both dinuclear complexes possess low-energy intense electronic absorption bands {[AuPt(dppm)2(C≡CPh)2]PF6, λmax = 387 nm, εmax = 1.11 × 104 dm3 mol-1 cm-1; [AgPt(dppm)2(C≡CPh)2]PF6, λmax = 368, εmax = 1.63 × 104 dm3 mol-1 cm-1} which are red-shifted from that of trans-[Pt(dppm)2(C≡CPh)2]. In solid form, all three complexes exhibit photoluminescence at room temperature. Extended-Hückel molecular orbital calculations have been performed on the model complexes [AuPt(dmpm)2(C≡CPh)2]+ and trans-[Pt(dmpm)2(C≡CPh)2] (dmpm = Me2PCH2PMe2). | en_US |
dc.language | eng | en_US |
dc.publisher | Royal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/dalton | en_US |
dc.relation.ispartof | Journal of the Chemical Society, Dalton Transactions | en_US |
dc.title | Luminescent heterobimetallic complexes. Electronic structure and spectroscopy of [MPt(dppm)2(C≡CPh)2]PF6 (M = Au or Ag) and crystal structure of [AuPt(dppm)2(C≡CPh)2]PF6 (dppm = Ph2PCH2PPh2) | en_US |
dc.type | Article | en_US |
dc.identifier.email | Che, CM:cmche@hku.hk | en_US |
dc.identifier.authority | Che, CM=rp00670 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1039/DT9930002939 | en_US |
dc.identifier.scopus | eid_2-s2.0-37049068954 | en_US |
dc.identifier.issue | 19 | en_US |
dc.identifier.spage | 2939 | en_US |
dc.identifier.epage | 2944 | en_US |
dc.identifier.isi | WOS:A1993MB04900012 | - |
dc.publisher.place | United Kingdom | en_US |
dc.identifier.scopusauthorid | Yip, HK=15068942100 | en_US |
dc.identifier.scopusauthorid | Lin, HM=15068551600 | en_US |
dc.identifier.scopusauthorid | Wang, Y=36072665800 | en_US |
dc.identifier.scopusauthorid | Che, CM=7102442791 | en_US |
dc.identifier.issnl | 1364-5447 | - |