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Octahedral terbium(III) cationic bis(alkoxide) complexes: synthesis, structural features and luminescence

Ilia A Gogolev 1
Ilia A Gogolev
, 
Vladislav Yu Simanovich 1
Vladislav Yu Simanovich
, 
Anna Vladimirovna Vologzhanina 1
Anna Vladimirovna Vologzhanina
, 
Mikhail Timofeevich Metlin 2, 3
Mikhail Timofeevich Metlin
, 
Il'ya Viktorovich Taydakov 2
Il'ya Viktorovich Taydakov
, 
Andrey Aleksandrovich Tyutyunov 1
Andrey Aleksandrovich Tyutyunov
, 
Aleksandr Anatol'evich Trifonov 1, 4
Aleksandr Anatol'evich Trifonov
3 N. E. Bauman Moscow State Technical University, 105005 Moscow, Russian Federation
4 G. A. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, 603950 Nizhny Novgorod, Russian Federation
10.71267/mencom.7956
Published 4 June 2026 , received 29 October 2025
Communication , Volume 36, Issue 4, 420-424
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Gogolev I. A. et al. Octahedral terbium(III) cationic bis(alkoxide) complexes: synthesis, structural features and luminescence // Mendeleev Communications. 2026. Vol. 36. No. 4. pp. 420-424.
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Gogolev I. A., Simanovich V. Yu., Vologzhanina A. V., Metlin M. T., Taydakov I. V., Tyutyunov A. A., Trifonov A. A. Octahedral terbium(III) cationic bis(alkoxide) complexes: synthesis, structural features and luminescence // Mendeleev Communications. 2026. Vol. 36. No. 4. pp. 420-424.
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TY - JOUR
DO - 10.71267/mencom.7956
UR - https://mendcomm.colab.ws/publications/10.71267/mencom.7956
TI - Octahedral terbium(III) cationic bis(alkoxide) complexes: synthesis, structural features and luminescence
T2 - Mendeleev Communications
AU - Gogolev, Ilia A
AU - Simanovich, Vladislav Yu
AU - Vologzhanina, Anna Vladimirovna
AU - Metlin, Mikhail Timofeevich
AU - Taydakov, Il'ya Viktorovich
AU - Tyutyunov, Andrey Aleksandrovich
AU - Trifonov, Aleksandr Anatol'evich
PY - 2026
DA - 2026/06/04
PB - Mendeleev Communications
SP - 420-424
IS - 4
VL - 36
ER -
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@article{2026_Gogolev,
author = {Ilia A Gogolev and Vladislav Yu Simanovich and Anna Vladimirovna Vologzhanina and Mikhail Timofeevich Metlin and Il'ya Viktorovich Taydakov and Andrey Aleksandrovich Tyutyunov and Aleksandr Anatol'evich Trifonov},
title = {Octahedral terbium(III) cationic bis(alkoxide) complexes: synthesis, structural features and luminescence},
journal = {Mendeleev Communications},
year = {2026},
volume = {36},
publisher = {Mendeleev Communications},
month = {Jun},
url = {https://mendcomm.colab.ws/publications/10.71267/mencom.7956},
number = {4},
pages = {420--424},
doi = {10.71267/mencom.7956}
}
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Gogolev, Ilia A., et al. “Octahedral terbium(III) cationic bis(alkoxide) complexes: synthesis, structural features and luminescence.” Mendeleev Communications, vol. 36, no. 4, Jun. 2026, pp. 420-424. https://mendcomm.colab.ws/publications/10.71267/mencom.7956.
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Keywords

alkoxide anion
cationic complex
lanthanides
luminescence
organo-fluorine compounds
organoterbium compounds
terbium
weak interactions

Abstract

Four new terbium(III) cationic complexes containing two fluorinated alkoxide ligands, [Tb(OCR1R2RF)2(THF)4][BPh4] (R1 = H, R2 = RF = C6F5; R1 = R2 = Ph, RF = CF2Cl; R1 = Me, R2 = Ph, RF = CF3; R1 = R2 = Me, RF = C6F5), were synthesized by protonolysis of Tb–C bonds in cationic organoterbium complex [o-(Me2NC6H4CH2)2Tb][BPh4] with the corresponding alcohols R1R2RFC(OH). The complexes obtained exist as separated ion pairs in which the cationic fragments adopt an octahedral configuration featuring cis-arrangement of the alkoxy groups regardless of their steric demand. The complexes display green luminescence at room temperature which shifts toward the blue region upon cooling to 77 K.

Funders

Russian Science Foundation
24-13-00275
Ministry of Education and Science of the Russian Federation
075-00697-22-00

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