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dc.contributor.author | Konarev, Dmitri V. | en |
dc.contributor.author | Kuz`min, Alexey V. | en |
dc.contributor.author | Nakano, Yoshiaki | en |
dc.contributor.author | Khasanov, Salavat S. | en |
dc.contributor.author | Otsuka, Akihiro | en |
dc.contributor.author | Yamochi, Hideki | en |
dc.contributor.author | Kitagawa, Hiroshi | en |
dc.contributor.author | Lyubovskaya, Rimma N. | en |
dc.contributor.alternative | 中野, 義明 | ja |
dc.contributor.alternative | 大塚, 晃弘 | ja |
dc.contributor.alternative | 矢持, 秀起 | ja |
dc.date.accessioned | 2018-03-28T01:39:58Z | - |
dc.date.available | 2018-03-28T01:39:58Z | - |
dc.date.issued | 2018-02-21 | - |
dc.identifier.issn | 1477-9226 | - |
dc.identifier.uri | http://hdl.handle.net/2433/230322 | - |
dc.description | JSPS KAKENHI 17H05153/15K17901/26288035; JST(ACCEL) 27 (100150500010) | en |
dc.description.abstract | N-methylimidazole (MeIm) solvates of vanadium(II), chromium(II) and iron(II) phthalocyanines: [V(II)(MeIm)2{Pc(2-)]0).MeIm (1) and [M(II)(MeIm)2{Pc(2-)}](0).2C6H4Cl2 (M = V (2), Cr (3), and Fe (4)) have been obtained and studied in a crystalline form. It has been shown that central metal atoms have +2 oxidation state in 1-4 and dianionic Pc(2-) macrocycles are formed. Optical spectra of 1−3 (V(II), Cr(II)) are different from that of 4 (Fe(II)) due to the appearance of intense absorption bands in the NIR range at 1187 nm for 1 and 2 and 1178 nm for 3 and manifestation of multiple bands in the visible range. Absorption in the NIR range is explained by unusually small HOMO−LUMO gaps for MeIm solvated Cr(II)Pc and V(II)Pc. Essential diradicaloid character of the Pc macrocycles in [Cr(II)(MeIm)2{Pc(2-)}](0), in which α- and β-orbitals are distributed in different regions of the macrocycle has also been shown. In this case, the diradicaloid character is comparable to that of aromatic hydrocarbon heptacene. Magnetic properties of 1−3 are defined by metal atoms with S = 3/2 spin state for V(II) and S = 1 for Cr(II). Compounds 1−3 manifest broad isotropic EPR signals at 4.2 K with g = 2.0188 and linewidth (deltaH) of 81.8 mT for 1 (V(II), g = 1.8300 and linewidth deltaH = 161.0 mT for 2 (V(II), and g = 2.0534 and deltaH = 60.27 mT for 3 (Cr(II)). These signals shifted to smaller g-factors with the temperature increase. Integral intensity of narrow EPR signals from Pc(•3-) does not exceed 0.1% from those of broad signals in 1−3. Complex 4 is EPR silent due to the presence of diamagnetic Fe(II) and Pc(2-). | en |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | Royal Society of Chemistry (RSC) | en |
dc.rights | This is the accepted version of the article, which has been published in final form at http://doi.org/10.1039/c8dt00459e | en |
dc.rights | The full-text file will be made open to the public on 21 Feb 2019 in accordance with publisher's 'Terms and Conditions for Self-Archiving'. | en |
dc.rights | This is not the published version. Please cite only the published version. | en |
dc.rights | この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 | ja |
dc.title | Synthesis and properties of N-methylimidazole solvates of vanadium(II), chromium(II) and iron(II) phthalocyanines. Strong NIR absorption in VII(MeIm)2(Pc2−) | en |
dc.type | journal article | - |
dc.type.niitype | Journal Article | - |
dc.identifier.jtitle | Dalton Transactions | en |
dc.identifier.volume | 47 | - |
dc.identifier.issue | 13 | - |
dc.identifier.spage | 4661 | - |
dc.identifier.epage | 4671 | - |
dc.relation.doi | 10.1039/c8dt00459e | - |
dc.textversion | author | - |
dc.identifier.pmid | 29528080 | - |
dcterms.accessRights | open access | - |
datacite.date.available | 2019-02-21 | - |
datacite.awardNumber | 17H05153 | - |
datacite.awardNumber | 15K17901 | - |
datacite.awardNumber | 26288035 | - |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.funderName.alternative | Japan Society for the Promotion of Science (JSPS) | en |
jpcoar.funderName.alternative | Japan Society for the Promotion of Science (JSPS) | en |
jpcoar.funderName.alternative | Japan Society for the Promotion of Science (JSPS) | en |
出現コレクション: | 学術雑誌掲載論文等 |
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