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Electron Donor‐Acceptor Compounds, 46 Molecular Structures and Charge‐Transfer Absorptions of [2.2]‐, [3.3]‐, and [4.4] Paracyclophanes with Tetracyanobenzene as Acceptor Unit
Author(s) -
Staab Heinz A.,
Krieger Claus,
Wahl Peter,
Kay KwangYol
Publication year - 1987
Publication title -
chemische berichte
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 0009-2940
DOI - 10.1002/cber.19871200415
Subject(s) - chemistry , acceptor , steric effects , electron acceptor , electron donor , charge (physics) , crystallography , electron transfer , molecule , photochemistry , stereochemistry , catalysis , organic chemistry , condensed matter physics , physics , quantum mechanics
Based on X‐ray analyses the molecular structures of the electron donor‐acceptor [2.2]‐ and [3.3]paracyclophanes 1, 2, 4, 6, 10 , and 11 are discussed in terms of steric and electronic effects. The charge‐transfer absorptions of 1–9 were measured and are dealt with in correlation to the variation of the strength of the electron donors and of the donor‐acceptor distances in the series 1–9 .

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