Variation of molecular stacking with different length of alkyl chain: synthesis, structure determination, and mesogenic study of N,N‐disubstituted aminophenylazo‐(4)‐p‐alkylbenzenes

Abstract

To help understand the influence of polarity and length of the terminal alkyl chain of a molecule on the molecular stacking of a liquid crystal and on its mesogenic behaviour, four new aminophenylazo‐(4)‐p‐alkylbenzenes were prepared and one of them was further studied by single crystal structure determination. The molecular stacking based on this crystallographic data was established, and compared with that of two previously reported homologues. The mesogenic behaviour of this series of compounds was also investigated.

Acknowledgements

We thank the National Chi Nan University and the National Science Council (NSC 92‐2113‐M‐260‐004) for financial support. The National Center of High‐Performing Computing and the Institute of Chemistry, Academia Sinica are also highly appreciated for providing the Beilstein database system, and a most helpful library service, respectively.