9-11, (01235679A)
   
Interval-content vector <667773>
Distance (8/9)*

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
Nearly Even divides the octave nearly evenly
Tritonic set contains one or more tritones