Compounds of Group 14 Elements with an Element-Element (E = Si, Ge, Sn) Bond: Effect of the Nature of the Element Atom

Kirill V. Zaitsev, Elmira Kh Lermontova, Andrei V. Churakov, Viktor A. Tafeenko, Boris N. Tarasevich, Oleg Kh Poleshchuk, Anastasia V. Kharcheva, Tatiana V. Magdesieva, Oleg M. Nikitin, Galina S. Zaitseva, Sergey S. Karlov

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Abstract

Two series of germanium compounds, (p-Tol)₃Ge-MMe₃ (M = Si (1), Ge (2), Sn (3)) and (Me₃Si)₃Ge-MPh₃ (M = Ge (4), Sn (5)), were prepared using lithium or potassium intermediates. The changing of the reaction conditions results in trigermane Ph₃Ge-Ge(SiMe₃)₂-GePh₃ (6). The molecular structures of 1, 2, and 6 were investigated by X-ray analysis. By UV/visible spectroscopy it is established that introduction of a tin atom results in a significant bathochromic absorption shift. Furthermore, according to cyclic voltammetry, oxidation potentials decrease in the order 1 > 2 > 3. The electronic structures of 1-4 and related (Me₃Si)₃Ge-SiPh₃ were investigated by DFT calculations. Fluorescence properties of 1-3 were studied in the solid state and in solution; for compound 3 phosphorescence (lifetime is 4.58 ms) is observed in the solid state. (Graph Presented).

Original language	English
Pages (from-to)	2765-2774
Number of pages	10
Journal	Organometallics
Volume	34
Issue number	12
DOIs	https://doi.org/10.1021/om501293t
Publication status	Published - 22 Jun 2015

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ASJC Scopus subject areas

Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry

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Zaitsev, K. V., Lermontova, E. K., Churakov, A. V., Tafeenko, V. A., Tarasevich, B. N., Poleshchuk, O. K., ... Karlov, S. S. (2015). Compounds of Group 14 Elements with an Element-Element (E = Si, Ge, Sn) Bond: Effect of the Nature of the Element Atom. Organometallics, 34(12), 2765-2774. https://doi.org/10.1021/om501293t

Compounds of Group 14 Elements with an Element-Element (E = Si, Ge, Sn) Bond : Effect of the Nature of the Element Atom. / Zaitsev, Kirill V.; Lermontova, Elmira Kh; Churakov, Andrei V.; Tafeenko, Viktor A.; Tarasevich, Boris N.; Poleshchuk, Oleg Kh; Kharcheva, Anastasia V.; Magdesieva, Tatiana V.; Nikitin, Oleg M.; Zaitseva, Galina S.; Karlov, Sergey S.

In: Organometallics, Vol. 34, No. 12, 22.06.2015, p. 2765-2774.

Research output: Contribution to journal › Article

Zaitsev, Kirill V. ; Lermontova, Elmira Kh ; Churakov, Andrei V. ; Tafeenko, Viktor A. ; Tarasevich, Boris N. ; Poleshchuk, Oleg Kh ; Kharcheva, Anastasia V. ; Magdesieva, Tatiana V. ; Nikitin, Oleg M. ; Zaitseva, Galina S. ; Karlov, Sergey S. / Compounds of Group 14 Elements with an Element-Element (E = Si, Ge, Sn) Bond : Effect of the Nature of the Element Atom. In: Organometallics. 2015 ; Vol. 34, No. 12. pp. 2765-2774.

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abstract = "Two series of germanium compounds, (p-Tol)3Ge-MMe3 (M = Si (1), Ge (2), Sn (3)) and (Me3Si)3Ge-MPh3 (M = Ge (4), Sn (5)), were prepared using lithium or potassium intermediates. The changing of the reaction conditions results in trigermane Ph3Ge-Ge(SiMe3)2-GePh3 (6). The molecular structures of 1, 2, and 6 were investigated by X-ray analysis. By UV/visible spectroscopy it is established that introduction of a tin atom results in a significant bathochromic absorption shift. Furthermore, according to cyclic voltammetry, oxidation potentials decrease in the order 1 > 2 > 3. The electronic structures of 1-4 and related (Me3Si)3Ge-SiPh3 were investigated by DFT calculations. Fluorescence properties of 1-3 were studied in the solid state and in solution; for compound 3 phosphorescence (lifetime is 4.58 ms) is observed in the solid state. (Graph Presented).",

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AU - Zaitseva, Galina S.

AU - Karlov, Sergey S.

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10.1021/om501293t