Cdim7 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
C4 · Eb4 · F#4 · A4
Notation for Cdim7 chord
Other names: C diminished 7th, C dim7, C°7
Music theory name: diminished seventh chord
Common name: C diminished seventh chord
Intervals and tones in Cdim7 chord
| Note | Interval |
|---|---|
| C | Root |
| Eb | Minor 3rd |
| F# | Diminished 5th |
| A | Diminished 7th |
Inversions
1st inversion
Eb4 · F#4 · A4 · C5
2nd inversion
F#4 · A4 · C5 · Eb5