Permethyloligosilanes, Me(SiMe2)nMe where n = 9, 10, 11, and 12, show the enantiotropic smectic B phase. In the liquid crystalline state, the silicon chains of these oligosilanes adopt all-trans conformation.
Permethyloligosilanes,Me(SiMe2)nMe,其中n=9、10、11和12,表现出外消旋的层状B相。在液晶态下,这些寡
硅烷的
硅链采用全反式构象。