The results of calculation show that fluophosphathioketene and chlorophasphatioketene presents cumulative double bonds, isomer presents C(P)triple bonds, all of molecules have a trans-bent geometries.
计算结果表明，氟代和氯代磷杂硫烯酮为累积双烯结构，磷杂硫烯酮的异构体含C P 三键，所有分子都具有弯曲几何构型。