DC Field | Value | Language |
---|---|---|
dc.contributor.author | Song, Hyunjoon | ko |
dc.contributor.author | Lee, K | ko |
dc.contributor.author | Park, Joon Taik | ko |
dc.contributor.author | Chang, HY | ko |
dc.contributor.author | Choi, MG | ko |
dc.date.accessioned | 2010-11-16T05:39:57Z | - |
dc.date.available | 2010-11-16T05:39:57Z | - |
dc.date.created | 2012-02-06 | - |
dc.date.created | 2012-02-06 | - |
dc.date.issued | 2000-04 | - |
dc.identifier.citation | JOURNAL OF ORGANOMETALLIC CHEMISTRY, v.599, no.1, pp.49 - 56 | - |
dc.identifier.issn | 0022-328X | - |
dc.identifier.uri | http://hdl.handle.net/10203/20019 | - |
dc.description.abstract | The title complex, Os-3(CO)(6)(PMe3)(3)(mu(3)-eta(2),eta(2),eta(2)-C-60) (3), has been prepared by decarbonylation of Os-3(CO)(9)(mu(3)-eta(2),eta(2),eta(2)-C-60) with three equivalents of Me3NO in the presence of excess PMe3 ligand. The solid-state structures of Os-3(CO)(7)(PMe3)(2)(mu(3)-eta(2),eta(2),eta(2)-C-60) (2) and 3 have been determined by single-crystal X-ray diffraction studies. Compound 2 has two inequivalent equatorial phosphine ligands on adjacent osmium atoms and compound 3, with a distorted C-3 symmetry, has one equivalent equatorial phosphine ligand on each osmium center. The fluxional processes of Os-3(CO)(8)(PMe3)(mu(3)-eta(2),eta(2),eta(2)-C-60) (1), 2 and 3 have been examined by variable-temperature C-13- and P-31-NMR studies. Only one isomer exists in solution and a restricted ligand rotation on each phosphine-substituted osmium center appears to occur for all three compounds, 1-3. Activation barriers for the carbonyl exchange process increase with increasing phosphine substitution, presumably, due to the steric effect of the phosphine ligands. (C) 2000 Elsevier Science S.A. All rights reserved. | - |
dc.description.sponsorship | We are grateful to the Korea Science and Engineering Foundation for financial support of this research (Project no. 1999-1-122-001-5). | en |
dc.language | English | - |
dc.language.iso | en_US | en |
dc.publisher | ELSEVIER SCIENCE SA | - |
dc.subject | LIGAND-SUBSTITUTED DERIVATIVES | - |
dc.subject | X-RAY STRUCTURES | - |
dc.subject | C-60 | - |
dc.subject | FULLERENES | - |
dc.subject | OS3(CO)12 | - |
dc.subject | STEREOCHEMISTRY | - |
dc.subject | PENTARUTHENIUM | - |
dc.subject | COORDINATION | - |
dc.subject | P(OCH2CF3)3 | - |
dc.subject | CHEMISTRY | - |
dc.title | Fluxional processes and structural characterization of mu(3)-eta(2),eta(2),eta(2)-C-60 triosmium cluster complexes, Os-3(CO)(9-n)(PMe3)(n)(mu(3)-eta(2),eta(2),eta(2)-C-60) (n=1, 2, 3) | - |
dc.type | Article | - |
dc.identifier.wosid | 000086545400009 | - |
dc.identifier.scopusid | 2-s2.0-0002941493 | - |
dc.type.rims | ART | - |
dc.citation.volume | 599 | - |
dc.citation.issue | 1 | - |
dc.citation.beginningpage | 49 | - |
dc.citation.endingpage | 56 | - |
dc.citation.publicationname | JOURNAL OF ORGANOMETALLIC CHEMISTRY | - |
dc.embargo.liftdate | 9999-12-31 | - |
dc.embargo.terms | 9999-12-31 | - |
dc.contributor.localauthor | Song, Hyunjoon | - |
dc.contributor.localauthor | Park, Joon Taik | - |
dc.contributor.nonIdAuthor | Lee, K | - |
dc.contributor.nonIdAuthor | Chang, HY | - |
dc.contributor.nonIdAuthor | Choi, MG | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordAuthor | metallofullerene | - |
dc.subject.keywordAuthor | triosmium carbonyl cluster | - |
dc.subject.keywordAuthor | crystal structure | - |
dc.subject.keywordAuthor | phosphine | - |
dc.subject.keywordAuthor | fluxional processes | - |
dc.subject.keywordPlus | LIGAND-SUBSTITUTED DERIVATIVES | - |
dc.subject.keywordPlus | X-RAY STRUCTURES | - |
dc.subject.keywordPlus | C-60 | - |
dc.subject.keywordPlus | FULLERENES | - |
dc.subject.keywordPlus | OS3(CO)12 | - |
dc.subject.keywordPlus | STEREOCHEMISTRY | - |
dc.subject.keywordPlus | PENTARUTHENIUM | - |
dc.subject.keywordPlus | COORDINATION | - |
dc.subject.keywordPlus | P(OCH2CF3)3 | - |
dc.subject.keywordPlus | CHEMISTRY | - |
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