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Spin Transition in the Cu(hfac)2 Complex with (4-Ethylpyridin-3-yl)-Substituted Nitronyl Nitroxide Caused by the “Asymmetric” Structural Rearrangement of Exchange Clusters in the Heterospin Molecule
| Content Provider | Semantic Scholar |
|---|---|
| Author | Artiukhova, Natalia A. Romanenko, Galina Letyagin, G. A. Bogomyakov, Artem S. Veber, Sergey L. Minakova, O. A. Petrova, Marina V. Morozov, Vitaliy A. Ovcharenko, Victor I. |
| Copyright Year | 2019 |
| Abstract | Methods for the synthesis of binuclear [Cu(hfac)2LEt]2 and tetranuclear [[Cu(hfac)2]4(LEt)2] heterospin compounds based on copper hexafluoroacetylacetonate [Cu(hfac)2] and 2-(4-ethylpyridin-3-yl)-4,5-bis(spirocyclopentyl)-4,5-dihydro-1H-imidazole-3-oxide-1-oxyl (LEt), were developed. The crystals of the complexes are elastic and do not crash during repeated cooling–heating cycles. It was found that a singlet–triplet conversion occurred in all of the {Cu(II)–O•–N N–•O–Cu2+} terminal exchange clusters, leading to spin compensation for only two paramagnetic centers of the six centers in the molecule. |
| Starting Page | 285 |
| Ending Page | 285 |
| Page Count | 1 |
| File Format | PDF HTM / HTML |
| DOI | 10.3390/cryst9060285 |
| Volume Number | 9 |
| Alternate Webpage(s) | https://res.mdpi.com/crystals/crystals-09-00285/article_deploy/crystals-09-00285-v2.pdf?attachment=1&filename= |
| Alternate Webpage(s) | https://doi.org/10.3390/cryst9060285 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
