Novel Cobalt Bis-o-semiquinonato Complexes with Bidentate N-Donor Ligands

Novel Cobalt Bis-o-semiquinonato Complexes with Bidentate N-Donor Ligands Full article

Journal

Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya
ISSN: 1070-3284

Output data

Year: 2023, Volume: 49, Number: 3, Pages: 158-166 Pages count : 9 DOI: 10.31857/s013234422700165

Authors

Zolotukhin A.A. ¹ , Bubnov M.P. ¹ , Rumyantsev R.V. ¹ , Fukin G.K. ¹ , Bogomyakov A.S. ² , Cherkasov V.K. ¹

Affiliations

1	Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, Nizhny Novgorod, Russia
2	International Tomography Center, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia

Two new cobalt bis-o-semiquinonato complexes, (Pyz-Phen)Co(3,6-DBSQ)2 (I) and (Bpyz)Co(3,6-DBSQ)2 (II) (Pyz-Phen = pyrazino[2,3-f][1,10]phenanthroline, Bpyz = bipyrazine, 3,6-DBSQ = 3,6-di-tert-butyl-o-benzoquinone radical anion), were synthesized. According to X-ray diffraction data, both complexes have a trigonal-prismatic geometry of the inner coordination sphere. The distribution of C–O and Co–O bond lengths, which reflects the valence state of the metal and the ligands, indicates that the complexes are formed by cobalt(II) surrounded by two semiquinone radical anions. The results of magnetochemical measurements show that the pyrazino[2,3-f][1,10]phenanthroline complex is a derivative of low-spin divalent cobalt, whereas its bipyrazine structural analogue is a high-spin cobalt(II) derivative.

Zolotukhin A.A. , Bubnov M.P. , Rumyantsev R.V. , Fukin G.K. , Bogomyakov A.S. , Cherkasov V.K.
Novel Cobalt Bis-o-semiquinonato Complexes with Bidentate N-Donor Ligands
Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya. 2023. V.49. N3. P.158-166. DOI: 10.31857/s013234422700165 OpenAlex

Золотухин А.А. , Бубнов М.П. , Румянцев Р.В. , Фукин Г.К. , Богомяков А.С. , Черкасов В.К.
Новые бис-о-семихиноновые комплексы кобальта с бидентатными N-донорными лигандами
Координационная химия. 2023. Т.49. №3. С.174-182. DOI: 10.31857/s0132344x22700165

Submitted:	Jun 28, 2022
Accepted:	Aug 23, 2022
Published print:	May 22, 2023

OpenAlex:

W4394941437

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