One-Dimensional π-Stacks of Pancake-Bonded 5,6- Dichloro-2,3-dicyanosemiquinone Radical Anions (CROSBI ID 315016)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Stanić, Petra ; Barišić, Dario ; Pajić, Damir ; Šantić, Ana ; Molčanov, Krešimir
engleski
One-Dimensional π-Stacks of Pancake-Bonded 5,6- Dichloro-2,3-dicyanosemiquinone Radical Anions
A series of six novel salts of 5, 6-dichloro-2, 3- dicyanosemiquinone (DDQ) radical anions with aromatic cations is studied by structural characterization, magnetization, and conductivity measurements. Different types of stacking of DDQ radicals, which determine electrical and magnetic properties, are observed: regular stacks of equidistant radicals (resulting in semiconductivity along the direction of stacking), stacks of pancake-bonded dimers, isolated pancake- bonded dimers, and mixed stacks comprising DDQ radicals and aromatic cations. General features of pancake bonding of DDQ radicals are defined: parallel ring planes, offset along the carbonyl···carbonyl axis by 2.05–2.15 Å, and interplanar separations of 2.90–2.95 Å (for pancake-bonded dimers) or 3.08– 3.24 Å (for regular stacks of equidistant radicals).
DDQ , ; radica ; , multicentre two-electron bonding ; π-stacking, crystal engineering ; electrical conductivity ; diamagnetism
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Podaci o izdanju
22 (11)
2022.
6461-6471
objavljeno
1528-7483
1528-7505
10.1021/acs.cgd.2c00638
Povezanost rada
Interdisciplinarne prirodne znanosti, Kemija