O=C1C([P+](c2ccccc2)(c2ccccc2)c2ccccc2)=C([O-])C(=Cc2ccc(Cl)c(Cl)c2)C([O-])=C1[P+](c1ccccc1)(c1ccccc1)c1ccccc1
For non-ionizable compounds Log P = Log D throughout pH range, whereas for ionizable compounds Log D takes into account the partition of both ionized and non-ionized forms. What is the negative log D of this molecule?