C°7 chord on 12-String Guitar – Open G

in Open G (D-D-G-G-D-D-G-G-B-B-D-D) tuning

✕✕4411221133CCD#D#AACCF#F#
C°7
Diminished 7
Notes:C · D# · F# · A
hardbarre on fret 1
Piano Left hand Right hand
CCCAD#F#
ShapeFretsFingersNotesDifficulty
x x 5 5 1 1 2 2 1 1 4 4– – 4 4 1 1 2 2 1 1 3 3x x C C D# D# A A C C F# F#hard · barre on fret 1
x x 5 5 4 4 2 2 4 4 x x– – 4 4 2 2 1 1 3 3 – –x x C C F# F# A A D# D# x xmedium
x x 5 5 4 4 5 5 4 4 7 7– – 2 2 1 1 3 3 1 1 4 4x x C C F# F# C C D# D# A Amedium · barre on fret 4
x x 5 5 7 7 8 8 7 7 x x– – 1 1 2 2 4 4 3 3 – –x x C C A A D# D# F# F# x xmedium
10 10 8 8 7 7 8 8 7 7 7 74 4 2 2 1 1 3 3 1 1 1 1C C D# D# A A D# D# F# F# A Amedium · barre on fret 7
10 10 8 8 x x 11 11 10 10 x x2 2 1 1 – – 4 4 3 3 – –C C D# D# x x F# F# A A x xhard
1 1 2 2 1 1 2 2 1 1 4 41 1 2 2 1 1 3 3 1 1 4 4D# D# A A D# D# A A C C F# F#medium · barre on fret 1
x x 5 5 x x 2 2 4 4 4 4– – 4 4 – – 1 1 2 2 3 3x x C C x x A A D# D# F# F#hard
x x 5 5 4 4 8 8 4 4 7 7– – 2 2 1 1 4 4 1 1 3 3x x C C F# F# D# D# D# D# A Ahard · barre on fret 4
x x 5 5 x x 8 8 7 7 7 7– – 1 1 – – 4 4 2 2 3 3x x C C x x D# D# F# F# A Ahard
10 10 8 8 7 7 8 8 7 7 x x4 4 2 2 1 1 3 3 1 1 – –C C D# D# A A D# D# F# F# x xmedium · barre on fret 7
10 10 11 11 x x 8 8 10 10 x x2 2 4 4 – – 1 1 3 3 – –C C F# F# x x D# D# A A x xhard
1 1 2 2 4 4 2 2 1 1 1 11 1 2 2 4 4 3 3 1 1 1 1D# D# A A F# F# A A C C D# D#medium · barre on fret 1
x x 2 2 4 4 5 5 4 4 x x– – 1 1 2 2 4 4 3 3 – –x x A A F# F# C C D# D# x xmedium
x x 5 5 4 4 x x 4 4 7 7– – 3 3 1 1 – – 2 2 4 4x x C C F# F# x x D# D# A Ahard
x x 8 8 7 7 5 5 7 7 x x– – 4 4 2 2 1 1 3 3 – –x x D# D# A A C C F# F# x xmedium

The C°7 chord (Diminished 7) is built from the notes C, D#, F#, A. Below are playable fingerings for 12-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

DegreeSemitonesNote
10C
♭33D#
♭56F#
69A

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.