Name
This is the half-whole diminished scale.
Alternative name
Use dominant diminished instead of half-whole diminished
Use messiaen's mode #2 instead of half-whole diminished
Intervals
How to construct the half-whole diminished scale?
Use the following intervals in any order to construct this scale.
Start on a specific note on which you want to construct this scale
from (for instance the note "C") and calculate each interval on top
of it. Afterwards, you will be able to play it on your instrument.