C#dim7 Piano Chord
A symmetrical chord built from three stacked minor thirds — any note can theoretically serve as the root. Common in jazz, classical and film music for dramatic tension.
Recommended voicing
C#4 · E4 · G4 · Bb4
Other names for the C#dim7 chord
Other names: C# diminished 7th, C#°7
Music theory name: diminished seventh chord
Common name: C# diminished seventh chord
Notes and intervals in the C#dim7 chord
| Note | Interval |
|---|---|
| C# | Root |
| E | Minor 3rd |
| G | Diminished 5th |
| Bb | Diminished 7th |
Inversions
1st inversion
E4 · G4 · Bb4 · C#5
2nd inversion
G4 · Bb4 · C#5 · E5