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Degtyareva SS, Bardonov DA, Afanaseva AV, Puntus LN, Lyssenko KA, Birin KP, Minyaev ME, Burykina JV, Taydakov IV, Varaksina EA, Nifant'ev IE, Roitershtein DM. Tridentate Nitrogen Ligand as a Tool for the Construction of Well-Defined Rare Earth Trichloride Complexes. Inorg Chem 2024; 63:1867-1878. [PMID: 38237143 DOI: 10.1021/acs.inorgchem.3c03492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2024]
Abstract
LnCl3(THF)3 (Ln = Y, La ÷ Nd, Sm ÷ Lu) readily react with the tridentate 1,3,5-trimethyl-1,3,5-triazacyclohexane (Me3tach) ligand to form mono- or binuclear lanthanide trichloride complexes, depending on the stoichiometry of the reaction and the ionic radius of the metal: mononuclear pseudosandwich [LnCl3(Me3tach)2], (Ln = Y, La ÷ Ho) or binuclear complexes [Ln2Cl6(Me3tach)3], or [LnCl3(Me3tach)(THF)]2 (Ln = Sm, Tb). Detailed analysis of the NMR data of [LnCl3(Me3tach)2] complexes with paramagnetic lanthanide ions showed that their structures remained unchanged in the toluene solution. A series of isomorphous complexes [LnCl3(Me3tach)(Py)2] (Ln = La, Sm, Tb, Er, Lu; Py = pyridine) have been obtained by the recrystallization of either mononuclear or binuclear complexes from pyridine. Complexes of terbium and europium ions with the Me3tach ligand exhibit relatively high quantum yields of metal-centered luminescence (0.39 and 0.32, respectively).
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Affiliation(s)
- Svetlana S Degtyareva
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 119991 Moscow, Russian Federation
- National Research University Higher School of Economics (HSE University), 101000 Moscow, Russian Federation
| | - Daniil A Bardonov
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 119991 Moscow, Russian Federation
- National Research University Higher School of Economics (HSE University), 101000 Moscow, Russian Federation
| | - Anna V Afanaseva
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 119991 Moscow, Russian Federation
- National Research University Higher School of Economics (HSE University), 101000 Moscow, Russian Federation
| | - Lada N Puntus
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 119991 Moscow, Russian Federation
- V.A. Kotel'nikov Institute of Radioengineering and Electronics, Russian Academy of Sciences, Fryazino, 141190 Moscow, Russian Federation
| | - Konstantin A Lyssenko
- Department of Chemistry, M.V. Lomonosov Moscow State University, 119991 Moscow, Russian Federation
| | - Kirill P Birin
- A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 119071 Moscow, Russian Federation
| | - Mikhail E Minyaev
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 119991 Moscow, Russian Federation
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russian Federation
| | - Julia V Burykina
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russian Federation
| | - Ilya V Taydakov
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 119991 Moscow, Russian Federation
- P.N. Lebedev Physical Institute, Russian Academy of Sciences, 119991 Moscow, Russian Federation
| | - Evgenia A Varaksina
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 119991 Moscow, Russian Federation
- P.N. Lebedev Physical Institute, Russian Academy of Sciences, 119991 Moscow, Russian Federation
| | - Ilya E Nifant'ev
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 119991 Moscow, Russian Federation
- Department of Chemistry, M.V. Lomonosov Moscow State University, 119991 Moscow, Russian Federation
| | - Dmitrii M Roitershtein
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 119991 Moscow, Russian Federation
- National Research University Higher School of Economics (HSE University), 101000 Moscow, Russian Federation
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russian Federation
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