C Dim 11 chord — Open D
1 voicing · Open D
Tuning:DADF#AD
Open position
1 / 1
Chord tones
C
R
D#
+3
F#
+6
A
+9
D
+2
F
+5
C Dim 11 in other tunings
Dim 11 in other keys — Open D
C Dim 11 in Open D — video lessons
About C Dim 11 in Open D
The C Dim 11 chord contains the notes C, D#, F#, A, D, F. In Open D tuning (strings: D–A–D–F#–A–D), the chord shapes differ from standard tuning because the open string pitches change. Open D tuning gives an open D major chord across all strings — ideal for slide guitar and Joni Mitchell-style playing. Diagrams above show all playable shapes in this tuning.