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

被引：25

作者：

Zaitsev, Kirill V. ^{[1
]}

Lermontova, Elmira Kh. ^{[2
]}

Churakov, Andrei V. ^{[2
]}

Tafeenko, Viktor A. ^{[1
]}

Tarasevich, Boris N. ^{[1
]}

Poleshchuk, Oleg Kh. ^{[3
,4
]}

Kharcheva, Anastasia V. ^{[1
]}

Magdesieva, Tatiana V. ^{[1
]}

Nikitin, Oleg M. ^{[1
,5
]}

Zaitseva, Galina S. ^{[1
]}

Karlov, Sergey S. ^{[1
]}

机构：

[1] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119991, Russia

[2] Russian Acad Sci, NS Kurnakov Gen & Inorgan Chem Inst, Moscow 119991, Russia

[3] Natl Res Tomsk Polytech Univ, Tomsk 634050, Russia

[4] Tomsk State Pedag Univ, Tomsk 634061, Russia

[5] Russian Acad Sci, AN Nesmeyanov Organoelement Cpds Inst, Moscow 119991, Russia

来源：

ORGANOMETALLICS | 2015年 / 34卷 / 12期

关键词：

HEXA-TERT-BUTYLCYCLOTRIGERMANE; BRANCHED OLIGOGERMANES; CRYSTAL-STRUCTURES; SILICON-GERMANIUM; POLYGERMANES; SPECTRA; CYCLOTRIGERMENES; OPTIMIZATION; LUMINESCENT; DERIVATIVES;

D O I：

10.1021/om501293t

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two series of germanium compounds, (p-Tol)(3)Ge-MMe3 (M = Si (1), Ge (2), Sn (3)) and (Me3Si)(3)Ge-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 14 and related (Me3Si)(3)Ge-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 and in solution; for compound 3 phosphorescence (lifetime is 4.58 ms) is observed in the solid state.

引用

页码：2765 / 2774

页数：10

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