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(Mesityl) 2 Ge(fluorenylidene)–Stabilization of a Ge–C Double Bond by Charge Transfer into an Aromatic System
Author(s) -
Lazraq Mohamed,
Escudié Jean,
Couret Claude,
Satgé Jacques,
Dräger Martin,
Dammel Ralph
Publication year - 1988
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198808281
Subject(s) - delocalized electron , steric effects , mndo , electron delocalization , charge (physics) , atom (system on chip) , chemistry , double bond , resonance (particle physics) , electromagnetic shielding , photochemistry , computational chemistry , crystallography , atomic physics , materials science , stereochemistry , physics , molecule , organic chemistry , quantum mechanics , computer science , composite material , embedded system
Not only steric shielding but also resonance with a delocalized π‐electron system can help to stabilize nonclassical multiple bonds. Thus, despite high steric demands, 15 C atoms and the Ge atom of the title compound 1 lie nearly in the same plane. The experimental finding is in agreement with the result of a MNDO calculation.

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