4-1, (0123): Chromatic-4
   
Interval-content vector <321000>
Distance (80/4)*

the minimum Euclidean distance from this set to any transposition of the perfectly even 4 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