The Phenalenyl Motif: A Magnetic Chameleon | Zendy

Cyrański Michał K. | Zendy; Havenith Remco W. A. | Zendy; Dobrowolski Michał A. | Zendy; Gray Benjamin R. | Zendy; Krygowski Tadeusz M. | Zendy; Fowler Patrick W. | Zendy; Jenneskens Leonardus W. | Zendy

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The Phenalenyl Motif: A Magnetic Chameleon

Author(s) -

Cyrański Michał K.,

Havenith Remco W. A.,

Dobrowolski Michał A.,

Gray Benjamin R.,

Krygowski Tadeusz M.,

Fowler Patrick W.,

Jenneskens Leonardus W.

Publication year - 2007

Publication title -

chemistry – a european journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.687

H-Index - 242

eISSN - 1521-3765

pISSN - 0947-6539

DOI - 10.1002/chem.200601619

Subject(s) - antiaromaticity , nitrogen atom , chemistry , boron , ion , nitrogen , atom (system on chip) , ring (chemistry) , boron trichloride , chemical physics , computational chemistry , stereochemistry , aromaticity , organic chemistry , molecule , engineering , embedded system

The 12π cation ( 3 ) and 14π anion ( 4 ) derived from the phenalenyl radical ( 2 ) support diatropic (“aromatic”) perimeter ring currents, but isoelectronic replacement of the central atom by either boron ( 5 ) or nitrogen ( 6 ) leads to paratropic (“antiaromatic”) current; the ipsocentric approach to molecular magnetic response accounts for all four patterns in terms of competition between translationally and rotationally allowed virtual π–π* excitations.

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