title: Hydrogen-bonded dihydrotetraazapentacenes.
abstract: Three new members of N-heteropentacenes explored herein have adjacent pyrazine and dihydropyrazine rings at one end of the pentacene backbone. Interesting findings from this study include self-complementary N-H···N H-bonds in the solid state, solvent-dependent UV-vis absorption caused by H-bonding, and new p-type organic semiconductors with field effect mobility up to 0.7 cm(2) V(-1) s(-1).
authors.affiliation: Department of Chemistry, the Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China.
authors.forename: Zikai
authors.initials: Z
authors.lastname: He
authors.forename: Danqing
authors.initials: D
authors.lastname: Liu
authors.forename: Renxin
authors.initials: R
authors.lastname: Mao
authors.forename: Qin
authors.initials: Q
authors.lastname: Tang
authors.forename: Qian
authors.initials: Q
authors.lastname: Miao