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- Publisher Website: 10.1039/b902800e
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- PMID: 20449116
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Article: Organobimetallic RuII-ReI 4-ethynylpyridyl complexes: Structures and non-linear optical properties
Title | Organobimetallic RuII-ReI 4-ethynylpyridyl complexes: Structures and non-linear optical properties |
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Authors | |
Issue Date | 2009 |
Citation | Dalton Transactions, 2009, n. 31, p. 6192-6200 How to Cite? |
Abstract | A 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 Identifier | http://hdl.handle.net/10722/219602 |
ISSN | 2023 Impact Factor: 3.5 2023 SCImago Journal Rankings: 0.697 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Ge, Qingchun | - |
dc.contributor.author | Corkery, T. Christopher | - |
dc.contributor.author | Humphrey, Mark G. | - |
dc.contributor.author | Samoc, Marek | - |
dc.contributor.author | Hor, T. S Andy | - |
dc.date.accessioned | 2015-09-23T02:57:30Z | - |
dc.date.available | 2015-09-23T02:57:30Z | - |
dc.date.issued | 2009 | - |
dc.identifier.citation | Dalton Transactions, 2009, n. 31, p. 6192-6200 | - |
dc.identifier.issn | 1477-9226 | - |
dc.identifier.uri | http://hdl.handle.net/10722/219602 | - |
dc.description.abstract | A 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.language | eng | - |
dc.relation.ispartof | Dalton Transactions | - |
dc.title | Organobimetallic RuII-ReI 4-ethynylpyridyl complexes: Structures and non-linear optical properties | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1039/b902800e | - |
dc.identifier.pmid | 20449116 | - |
dc.identifier.scopus | eid_2-s2.0-68149106079 | - |
dc.identifier.issue | 31 | - |
dc.identifier.spage | 6192 | - |
dc.identifier.epage | 6200 | - |
dc.identifier.eissn | 1477-9234 | - |
dc.identifier.isi | WOS:000268438800018 | - |
dc.identifier.issnl | 1477-9226 | - |