Also Cdim7, F#dim7

D#dim7 (D# diminished 7th): D# F# A C. Formula 1 ♭3 ♭5 ♭♭7. Also Cdim7, F#dim7, Adim7. Minor 3rds stacked all the way: symmetrical and very tense, it works as a passing chord and as a dominant with a ♭9.

Made of4

Notes4

Contains & part of20

Scales that contain it20

Inversions4

  • D#dim77

    Root position · D# F# A C

  • D#dim7/F#6/5

    1st inversion · F# A C D#

  • D#dim7/A4/3

    2nd inversion · A C D# F#

  • D#dim7/C4/2

    3rd inversion · C D# F# A

Relatives8

Same notes, other names3

Type1

Genres that use it4

Where it goes13

One small move away12

Its dominant1