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Magnetic Alignment in Solid State and Temperature Hysteresis in Aqueous Tetrahydrofuran Solution for Tetrathiafulvaleno[18]annulenes
Author(s) -
Enozawa Hideo,
Hasegawa Masashi,
Isomura Eigo,
Nishinaga Tohru,
Kato Tadashi,
Yamato Masafumi,
Kimura Tsunehisa,
Iyoda Masahiko
Publication year - 2009
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.200900545
Subject(s) - annulene , tetrahydrofuran , hysteresis , aqueous solution , chemistry , cluster (spacecraft) , octane , amphiphile , crystallography , organic chemistry , polymer , condensed matter physics , physics , copolymer , solvent , computer science , programming language
Tris(tetrathiafulvaleno)dodecadehydro[18]annulene‐hexaesters have a multi‐functionality that is very sensitive to small differences in the ester side‐chain. Self‐aggregation of the [18]annulenes in amphiphilic media such as THF–H 2 O (v/v, 1:1) either produce a fibrous structure or result in temperature hysteresis of the color and 1 H NMR signals. This temperature hysteresis in solution is due to both strong self‐aggregation behavior and unique cluster formation in a binary solution of THF and water.