A structural and theoretical analysis of some mesogenic
bis(phenylene)azines containing a methyl group on the azine system and
strong electron donorâacceptor groups on the phenylene rings is
reported. Starting from the X-ray molecular structures and with the
support of semiempirical quantum mechanical calculations, the structural
and conformational properties of the azines are analysed and compared
with recent literature data on similar acetophenone azines. Some
geometrical and electronic data of the molecules are also calculated and
discussed in the paper, which may be useful for a better understanding
of the mesophasic behaviour of the compounds.
报告对一些介原双(亚苯基)
叠氮进行了结构和理论分析,这些
叠氮在
叠氮系统上含有一个甲基,在亚苯基环上含有强电子供体和受体基团。从 X 射线分子结构出发,在半经验量子力学计算的支持下,分析了这些偶氮的结构和构象特性,并与最近关于类似
苯乙酮偶氮的文献数据进行了比较。文中还计算并讨论了分子的一些几何和电子数据,这些数据可能有助于更好地理解这些化合物的介相行为。