C°7 chord on 6-String Guitar – Open Gm

in Open Gm (D-G-D-G-A#-D) tuning

✕✕4123CD#AF#
C°7
Diminished 7
Notes:C · D# · F# · A
hard
Piano Left hand Right hand
CCCAD#F#
ShapeFretsFingersNotesDifficulty
x 5 1 2 x 4– 4 1 2 – 3x C D# A x F#hard
x 5 4 2 5 x– 3 2 1 4 –x C F# A D# xmedium
x 5 4 x 5 7– 2 1 – 3 4x C F# x D# Ahard
x 5 7 8 8 x– 1 2 3 4 –x C A D# F# xmedium
x x 10 8 8 7– – 4 2 3 1x x C D# F# Amedium
10 8 x 11 11 x2 1 – 3 4 –C D# x F# A xhard
x 5 4 2 x 1– 4 3 2 – 1x C F# A x D#hard
x 5 x 2 5 4– 3 – 1 4 2x C x A D# F#hard
x 5 7 x 5 4– 2 4 – 3 1x C A x D# F#hard
x 5 x 8 8 7– 1 – 3 4 2x C x D# F# Ahard
10 x 7 8 8 74 – 1 2 3 1C x A D# F# Ahard · barre on fret 7
10 11 x 8 11 x2 3 – 1 4 –C F# x D# A xhard
x x 1 2 2 4– – 1 2 3 4x x D# A C F#medium
x 2 4 5 5 x– 1 2 3 4 –x A F# C D# xmedium
x 5 4 8 x 7– 2 1 4 – 3x C F# D# x Ahard
x 8 7 5 8 x– 3 2 1 4 –x D# A C F# xmedium

The C°7 chord (Diminished 7) is built from the notes C, D#, F#, A. Below are playable fingerings for 6-String Guitar – Open Gm 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.