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Article: Organobimetallic RuII-ReI 4-ethynylpyridyl complexes: Structures and non-linear optical properties

TitleOrganobimetallic RuII-ReI 4-ethynylpyridyl complexes: Structures and non-linear optical properties
Authors
Issue Date2009
Citation
Dalton Transactions, 2009, n. 31, p. 6192-6200 How to Cite?
AbstractA series of heterobimetallic complexes, [RuCp(CCpy-4)(P-P)][Re(CO) 3(N-N)]+ (P-P = dppf, N-N = bpy 5, Me2bpy 6, tBu2bpy 7, phen 8, tpy 9; P-P = 2PPh3, N-N = bpy 10) have been obtained from Lewis addition between the metalloligands [RuCp(CCpy-4)(P-P)] (P-P = dppf 1; 2PPh32) and solvent-stabilised fac-[Re(CH3CN)(CO)3(N-N)]+. All new complexes 5-10, together with fac-[ReBr(CO)3(tpy)] (3) and fac-[Re(CH 3CN)(CO)3(tpy)][PF6] (4), are characterized by solution spectroscopy; 3 and 5-9 are also characterized by single-crystal X-ray crystallography. The terpyridine ligands in 3 and 9 are in an unusual η2-bidentate coordination mode with a pendant pyridyl. Electrochemical studies showed successive metal-based oxidations and a ligand-centered reduction in 5-10. Significant oxidation changes are observed at the Ru(II) and Re(I) centers in 5-10 when compared with their respective monometallic components. Cubic nonlinearities of 5-10 determined by the Z-scan technique at 750 nm reveal two-photon absorption that increases significantly on progression from Ru(II) monomeric precursors to heterobimetallics, suggesting NLO enhancement upon heterometallic complex formation. © The Royal Society of Chemistry 2009.
Persistent Identifierhttp://hdl.handle.net/10722/219602
ISSN
2015 Impact Factor: 4.177
2015 SCImago Journal Rankings: 1.404

 

DC FieldValueLanguage
dc.contributor.authorGe, Qingchun-
dc.contributor.authorCorkery, T. Christopher-
dc.contributor.authorHumphrey, Mark G.-
dc.contributor.authorSamoc, Marek-
dc.contributor.authorHor, T. S Andy-
dc.date.accessioned2015-09-23T02:57:30Z-
dc.date.available2015-09-23T02:57:30Z-
dc.date.issued2009-
dc.identifier.citationDalton Transactions, 2009, n. 31, p. 6192-6200-
dc.identifier.issn1477-9226-
dc.identifier.urihttp://hdl.handle.net/10722/219602-
dc.description.abstractA series of heterobimetallic complexes, [RuCp(CCpy-4)(P-P)][Re(CO) 3(N-N)]+ (P-P = dppf, N-N = bpy 5, Me2bpy 6, tBu2bpy 7, phen 8, tpy 9; P-P = 2PPh3, N-N = bpy 10) have been obtained from Lewis addition between the metalloligands [RuCp(CCpy-4)(P-P)] (P-P = dppf 1; 2PPh32) and solvent-stabilised fac-[Re(CH3CN)(CO)3(N-N)]+. All new complexes 5-10, together with fac-[ReBr(CO)3(tpy)] (3) and fac-[Re(CH 3CN)(CO)3(tpy)][PF6] (4), are characterized by solution spectroscopy; 3 and 5-9 are also characterized by single-crystal X-ray crystallography. The terpyridine ligands in 3 and 9 are in an unusual η2-bidentate coordination mode with a pendant pyridyl. Electrochemical studies showed successive metal-based oxidations and a ligand-centered reduction in 5-10. Significant oxidation changes are observed at the Ru(II) and Re(I) centers in 5-10 when compared with their respective monometallic components. Cubic nonlinearities of 5-10 determined by the Z-scan technique at 750 nm reveal two-photon absorption that increases significantly on progression from Ru(II) monomeric precursors to heterobimetallics, suggesting NLO enhancement upon heterometallic complex formation. © The Royal Society of Chemistry 2009.-
dc.languageeng-
dc.relation.ispartofDalton Transactions-
dc.titleOrganobimetallic RuII-ReI 4-ethynylpyridyl complexes: Structures and non-linear optical properties-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1039/b902800e-
dc.identifier.pmid20449116-
dc.identifier.scopuseid_2-s2.0-68149106079-
dc.identifier.issue31-
dc.identifier.spage6192-
dc.identifier.epage6200-
dc.identifier.eissn1477-9234-

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