Metallomesogens with a manganese core

Citation
J. Barbera et al., Metallomesogens with a manganese core, MOLEC CRYST, 362, 2001, pp. 89-99
Citations number
19
Categorie Soggetti
Physical Chemistry/Chemical Physics
Volume
362
Year of publication
2001
Pages
89 - 99
Database
ISI
SICI code
Abstract
A series of compounds of the formula [MnCl(L-n)(2)] (L= N-alkyl[4-(4-decylo xybenzoyloxy)]salicylaldiminato) have been synthesized and their mesomorphi c properties studied. These Mn(III) complexes display monotropic nematic ph ases when the number of carbon atoms of the N-alkyl moiety has from 3 to 9 carbon atoms, Compounds ranging from 5 to 9 carbon atoms also display monot ropic smectic C phases. When the N-alkyl part is longer (10 to 16 carbon at oms) only enantiotropic smectic C phases appear. Two complexes were studied by X-ray diffraction showing diffraction patterns that account for the pec uliar molecular shape of these molecules.