When I try to calculate the logp (or logd, pka etc.) of the molecule Hexafluorophosphate, cxcalc says it's an "Inconsistent molecular structure". Why is that? Bug or feature? :)
cxcalc "F[P-](F)(F)(F)(F)F" logp
F[P-](F)(F)(F)(F)F 1 "logp: Inconsistent molecular structure."