Cdim7 Guitar 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.
Strings
X–X–1–2–1–2
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 |
All Variations
Open
X–X–1–2–1–2
Open
X–3–4–2–4–2
Fret 7
8–X–7–8–7–X
Fret 10
X–X–10–11–10–11