ELECTRONIC-STRUCTURE OF ALKYL LEAD (IV) ACETYLIDES BY GAS-PHASE UV PHOTOELECTRON-SPECTROSCOPY AND PSEUDOPOTENTIAL CALCULATIONS

被引：3

作者：

ANDREOCCI, MV ^{[1
]}

BOSSA, M ^{[1
]}

CAULETTI, C ^{[1
]}

STRANGES, S ^{[1
]}

WRACKMEYER, B ^{[1
]}

HORCHLER, K ^{[1
]}

机构：

[1] UNIV BAYREUTH,ANORGAN CHEM LAB,W-8580 BAYREUTH,GERMANY

来源：

PHYSICA SCRIPTA | 1990年 / 41卷 / 06期

关键词：

D O I：

10.1088/0031-8949/41/6/017

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Gas-phase UV photoelectron spectra and pseudopotential calculations were used to elucidate the electronic structure of a series of alkyl lead acetylides, a trimethylsilyl-trimethylplumbyl-acetylide and bis(trimethylsilyl)butadiyne. The analysis of the results obtained, along with the comparison with previous data on tin analogues, confirmed the presence of a σ/π conjugation between the πC≡C and the σ orbitals of the metal-alkyl moieties. The ionization of the 5d pseudo-valence orbitals of Pb was observed and compared with the calculated net atomic charge on Pb. A spin-orbit effect was found in the ionization of valence MO's with significant contribution of 6p Pb orbitals. © 1990 IOP Publishing Ltd.

引用

页码：800 / 804

页数：5

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