3-1, (012): Chromatic-3
   
Interval-content vector <210000>
Distance (54/3)*

the minimum Euclidean distance from this set to any transposition of the perfectly even 3 note chord, in semitones

Atritonic set contains no tritones
Cohemitonic chromatic-cluster-containing
Hemitonic set contains one or more semitones
Symmetric the inverse of this set is the same set