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

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

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., Kharcheva, A. V., Magdesieva, T. V., Nikitin, O. M., Zaitseva, G. S., & 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 › peer-review

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

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).",

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

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AU - Lermontova, Elmira Kh

AU - Churakov, Andrei V.

AU - Tafeenko, Viktor A.

AU - Tarasevich, Boris N.

AU - Poleshchuk, Oleg Kh

AU - Kharcheva, Anastasia V.

AU - Magdesieva, Tatiana V.

AU - Nikitin, Oleg M.

AU - Zaitseva, Galina S.

AU - Karlov, Sergey S.

PY - 2015/6/22

Y1 - 2015/6/22

N2 - 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).

AB - 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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