2Kirsch P K Tarumi Angew. Synthesis and properties of novel fluorinated bistolane-type liquid crystal[J ]. Chem.Int Ed., 1998,37:484.?A?A?A?A?A 被引量:1
3Kirsch P, Heckmeier M, Tarumi K. Desige and Synthesis of nemafic liquid crystal with negative dielectric anisotropy[J]. Liquid crystal., 1999,26:449. 被引量:1
4M J S Dewar, E G Zoebisch, E F Healy. AM1: A new general purpose quantum mechanical mode [ J ]. J Am. Chem. Soc., 1995,107:3 902. 被引量:1
5J J P Stewart. Optimization of parameters for semiempirical method[J]. J Comput. Chem., 1989,10:209. 被引量:1