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Spontaneous Deracemization of Disc‐like Molecules in the Columnar Phase
Author(s) -
Nagayama Hiroki,
Varshney Sanjay Kumar,
Goto Masanao,
Araoka Fumito,
Ishikawa Ken,
Prasad Veena,
Takezoe Hideo
Publication year - 2010
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200904819
Subject(s) - molecule , chirality (physics) , phase (matter) , circular dichroism , crystallography , chemical physics , materials science , chemistry , nanotechnology , physics , chiral symmetry breaking , organic chemistry , quantum mechanics , symmetry breaking , nambu–jona lasinio model
Chiral discs : Seemingly flat disc‐like molecules form a columnar phase and spontaneously segregate into macroscopic chiral domains (deracemization). Quantum chemical calculations suggest that these molecules have a twisted axially chiral core (see picture). Their aggregation into chiral superstructures is evidenced by electronic and vibrational circular dichroism spectra.