An AlAl One‐Electron π Bond | Zendy

Pluta Christian | Zendy; Pörschke KlausR. | Zendy; Krüger Carl | Zendy; Hildenbrand Knut | Zendy

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An AlAl One‐Electron π Bond

Author(s) -

Pluta Christian,

Pörschke KlausR.,

Krüger Carl,

Hildenbrand Knut

Publication year - 1993

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.199303881

Subject(s) - bond , lithium (medication) , electron , ion , crystallography , chemistry , bond length , salt (chemistry) , materials science , physics , crystal structure , economics , organic chemistry , nuclear physics , finance , medicine , endocrinology

Not a reductive rupture, but a strengthening of the AlAl bond is the result of the reduction of the dialane 1 with lithium. The salt isolated after addition of TMEDA contains the radical anion of 1 , in which, as results of an X‐ray structural analysis show, the AlC bonds are distinctly longer (+0.06 Å) and the AlAl bond considerably shorter (−0.13 Å) than in 1 itself. These findings are in accord with results of MO calculations, which indicate a stabilization of the AlAl bond by the additional electron.

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