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Valence tautomerism in cobalt complexes based on isopropyl- and cyclohexyl-substituted o-quinones Full article

Journal Inorganica Chimica Acta
ISSN: 0020-1693
Output data Year: 2022, Volume: 534, Article number : 120811, Pages count : 6 DOI: 10.1016/j.ica.2022.120811
Authors Zolotukhin Alexey A. 1 , Bubnov Michael P. 1 , Skorodumova Nina A. 1 , Kocherova Tatyana N. 1 , Bogomyakov Artem S. 2 , Kozlova Ekaterina A. 1 , Fukin Georgy K. 1 , Cherkasov Vladimir K. 1
Affiliations
1 G. A. Razuvaev Institute of Organometallic Chemistry of RAS, Tropinina str. 49, GSP-445, 603950 Nizhny Novgorod, Russian Federation
2 The International Tomography Center of the SB of RAS, Institutskaya 3a, Novosibirsk 630090, Russian Federation

Abstract: A series of novel dioxolene cobalt complexes with general formula (N-N)Co(3,6-diox)2 (where N-N = 2,2′-dipyridine (bpy) and 1,10-phenanthroline (phen), diox – mono- and dianionic forms of 3,6-di-isopropyl-o-benzoquinone (3,6-iPr-Q) and 3,6-di-cyclohexyl-o-benzoquinone (3,6-cHex-Q)) has been synthesized and characterized. The molecular structures of dipyridine adducts have been established by single crystal X-Ray structural analysis. Magnetic susceptibility measurements detect solid-state valence-tautomeric transformation occurring for complexes (phen)Co(3,6-iPr-SQ)2 and (bpy)Co(3,6-cHex-SQ)2. The phase transitions that accompany valence tautomeric transformation have been investigated by differential scanning calorimetry (DSC).
Cite: Zolotukhin A.A. , Bubnov M.P. , Skorodumova N.A. , Kocherova T.N. , Bogomyakov A.S. , Kozlova E.A. , Fukin G.K. , Cherkasov V.K.
Valence tautomerism in cobalt complexes based on isopropyl- and cyclohexyl-substituted o-quinones
Inorganica Chimica Acta. 2022. V.534. 120811 :1-6. DOI: 10.1016/j.ica.2022.120811 WOS Scopus OpenAlex
Dates:
Submitted: Dec 6, 2021
Published print: Jan 21, 2022
Identifiers:
Web of science: WOS:000780323300006
Scopus: 2-s2.0-85123120356
OpenAlex: W4206582269
Citing:
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