Photoelektronenspektroskopische Untersuchungen an Bor-Verbindungen, I / Photoelectronspectroscopic Investigations on Boron Compounds, I

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Abstract
The photoelectron(PE) spectra of methylthio- (X = SCH3) and methoxyboranes (X = OCH3) (CH3)3-nBXn are compared and assigned by means of modified CNDO/2 calculations. Substituent effects on π-orbitals and chemical shifts (δ11B) confirm the existence of non-negligible π-contributions to the boron-sulphur bond.