About the C Scriabin scale
C Scriabin is used for impressionist and mystical concert music. Think of it as a five-note scale from the late, mystical harmony of Scriabin. It is C Major Pentatonic with the second lowered.
Its notes are C, D♭, E, G, and A. The formula is H 1½ 1½ W 1½.
Also called Major Pentatonic ♭2 and Vibhas.
This scale draws one black key from the piano, D♭.