1989
DOI: 10.1002/ange.19891011206
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Grundlagen der Silicium‐Chemie: Molekülzustände Silicium enthaltender Verbindungen

Abstract: Das Element Silicium und seine Verbindungen ermöglichen die Herstellung neuer Materialien, welche vom Computer bis zur Raumfahrt die Technologie unseres 20. Jahrhunderts mitprägen, und die hierdurch stimulierte rasche Entwicklung der Silicium‐Chemie ist ihrerseits Teil der vielzitierten „Renaissance”︁ der Anorganischen Chemie. – Hier sollen an ausgewählten Beispielen überwiegend siliciumorganischer Verbindungen Messung, Zuordnung und Nutzen geeigneter spektroskopischer „Fingerabdrücke”︁ für den präparativ arbe… Show more

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Cited by 81 publications
(16 citation statements)
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“…This is in good agreement with the small ionization energies measured by photoelectron spectroscopy ( < 10 eV). 71 This redox behavior limits the use of strong electrophiles for substitution reactions. However, strong nucleophiles can also give rise to Si-Si backbone degradation.…”
Section: Chemical Modificationmentioning
confidence: 99%
“…This is in good agreement with the small ionization energies measured by photoelectron spectroscopy ( < 10 eV). 71 This redox behavior limits the use of strong electrophiles for substitution reactions. However, strong nucleophiles can also give rise to Si-Si backbone degradation.…”
Section: Chemical Modificationmentioning
confidence: 99%
“…1: cv (--)). Both the cv and ESR/ENDOR data for 2,5-bis(trimethylsilyl)-p-benzoquinone [6,9], together with the quantum chemical energy hypersurface calculations reported here, provide some insight into the pathway of a consecutive two-electron reduction, although solvent effects are still largely neglected. In general, the partially dynamic contact ion pairs could be of interest both bioinorganically because of their carrier properties and industrially as molecular switches [ll].…”
Section: Introductionmentioning
confidence: 95%
“…In solution, these include contact ion pairs formed as intermediates within the multidimensional network of electron transfer, ion complexation, and ion solvation equilibria that are investigated advantageously by a combination of cyclovoltammetric and ESR/ ENDOR measurements [6,9]. More recently, the first radical contact ion dimer has been isolated as single crystals and structurally characterized [ 101.…”
Section: Introductionmentioning
confidence: 99%
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“…Die mögliche Einelektronen-Oxidation von Molekülen M zu persistenten Radikalkationen M #® in Lösung wird vorteilhaft anhand ih rer PE-spektroskopischen ersten vertikalen Ioni sierungsenergien abgeschätzt: Für das protonen freie und selektive Einelektronen-Oxidationssystem A1C13/H~,CCL [10] mit dem hohen Potential E°x ~ +1,6 V [llfmuß ffiy < 8 eV betragen [11]. So zeigt 1,4,7,10,11.14-Hexathia-dispiro[4.0.4.4]tetradecan [12] (2) in seinem He(I) PE-Spektrum eine Mehrfachionisierungsbande zwischen 7,3 und 8,6 eV [12] und sollte sich daher in Dichlormethan-Lösung mit A1C13 oxidieren lassen.…”
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