C°7 chord on 6-String Guitar – Open G
in Open G (D-G-D-G-B-D) tuning · Also known as Spanish, Taro Patch, Slack Key G
C°7
Diminished 7
Notes:C · D# · F# · A
Piano Left hand Right hand
Fingerings (16)
C°7 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| x 5 1 2 1 4 | – 4 1 2 1 3 | x C D# A C F# | hard · barre on fret 1 | |
| x 5 4 2 4 x | – 4 2 1 3 – | x C F# A D# x | medium | |
| x 5 4 5 4 7 | – 2 1 3 1 4 | x C F# C D# A | medium · barre on fret 4 | |
| x 5 7 8 7 x | – 1 2 4 3 – | x C A D# F# x | medium | |
| 10 8 7 8 7 7 | 4 2 1 3 1 1 | C D# A D# F# A | medium · barre on fret 7 | |
| 10 8 x 11 10 x | 2 1 – 4 3 – | C D# x F# A x | hard | |
| 1 2 1 2 1 4 | 1 2 1 3 1 4 | D# A D# A C F# | medium · barre on fret 1 | |
| x 5 x 2 4 4 | – 4 – 1 2 3 | x C x A D# F# | hard | |
| x 5 4 8 4 7 | – 2 1 4 1 3 | x C F# D# D# A | hard · barre on fret 4 | |
| x 5 x 8 7 7 | – 1 – 4 2 3 | x C x D# F# A | hard | |
| 10 8 7 8 7 x | 4 2 1 3 1 – | C D# A D# F# x | medium · barre on fret 7 | |
| 10 11 x 8 10 x | 2 4 – 1 3 – | C F# x D# A x | hard | |
| 1 2 4 2 1 1 | 1 2 4 3 1 1 | D# A F# A C D# | medium · barre on fret 1 | |
| x 2 4 5 4 x | – 1 2 4 3 – | x A F# C D# x | medium | |
| x 5 4 x 4 7 | – 3 1 – 2 4 | x C F# x D# A | hard | |
| x 8 7 5 7 x | – 4 2 1 3 – | x D# A C F# x | medium |
The C°7 chord (Diminished 7) is built from the notes C, D#, F#, A. Below are playable fingerings for 6-String Guitar – Open G generated for your selected tuning, ordered from open-position shapes up the neck. Tap a diagram to hear it, or switch to the piano view to see the same harmony on keys.
How the C°7 chord is built
Formula: 1 · ♭3 · ♭5 · 6
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | C |
| ♭3 | 3 | D# |
| ♭5 | 6 | F# |
| 6 | 9 | A |
More C chords
Other roots
See C°7 in another tuning
What notes make up the C°7 chord?
C°7 is a Diminished 7 chord built from the notes C, D#, F#, A.
How do I read the diagram?
Strings run left to right from the lowest to the first string; the numbers show which finger presses each fret. An ○ marks an open string, an ✕ marks a muted one.