C°7 chord on 6-String Guitar – Open Em
in Open Em (E-B-E-G-B-E) tuning · Also known as Open E minor, Cross-note E
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 1 2 2 4 x | – 1 2 3 4 – | x C F# A D# x | medium | |
| x x 2 5 4 5 | – – 1 3 2 4 | x x F# C D# A | medium | |
| 8 4 5 x 7 x | 4 1 2 – 3 – | C D# A x F# x | hard | |
| x x 8 8 7 5 | – – 3 4 2 1 | x x C D# F# A | medium | |
| 8 7 x 8 10 x | 2 1 – 3 4 – | C F# x D# A x | hard | |
| x x 8 11 10 11 | – – 1 3 2 4 | x x C F# A D# | medium | |
| x 1 x 2 4 2 | – 1 – 2 4 3 | x C x A D# F# | hard | |
| x x 5 5 4 2 | – – 3 4 2 1 | x x A C D# F# | medium | |
| 8 7 5 x 4 x | 4 3 2 – 1 – | C F# A x D# x | hard | |
| 8 7 5 8 x x | 3 2 1 4 – – | C F# A D# x x | medium | |
| 8 10 x 8 7 x | 2 4 – 3 1 – | C A x D# F# x | hard | |
| 8 10 11 11 x x | 1 2 3 4 – – | C A D# F# x x | medium | |
| x 1 2 x 4 5 | – 1 2 – 3 4 | x C F# x D# A | hard | |
| 2 4 5 5 x x | 1 2 3 4 – – | F# D# A C x x | medium | |
| x 4 5 5 7 x | – 1 2 3 4 – | x D# A C F# x | medium | |
| 8 x 5 8 7 5 | 3 – 1 4 2 1 | C x A D# F# A | hard · barre on fret 5 |
The C°7 chord (Diminished 7) is built from the notes C, D#, F#, A. Below are playable fingerings for 6-String Guitar – Open Em 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.