9-1, (012345678): Chromatic-9
   
Interval-content vector <876663>
Distance (60/9)*

the minimum Euclidean distance from this set to any transposition of the perfectly even 9 note chord, in semitones

Cohemitonic chromatic-cluster-containing
Hemitonic set contains one or more semitones
Symmetric the inverse of this set is the same set
Tritonic set contains one or more tritones