C#m7♭5 chord on 12-String Guitar – Open C
in Open C (C-C-G-G-C-C-G-G-C-C-E-E) tuning
C#m7♭5
Half-Diminished
Notes:C# · E · G · B
Piano Left hand Right hand
Fingerings (16)
C#m7♭5 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 1 1 4 4 1 1 0 0 4 4 0 0 | 1 1 2 2 1 1 – – 3 3 – – | C# C# B B C# C# G G E E E E | medium · barre on fret 1 | |
| x x 6 6 x x 4 4 4 4 3 3 | – – 4 4 – – 2 2 3 3 1 1 | x x C# C# x x B B E E G G | hard | |
| x x 6 6 4 4 0 0 4 4 7 7 | – – 3 3 1 1 – – 2 2 4 4 | x x C# C# E E G G E E B B | medium | |
| x x 6 6 x x 9 9 7 7 7 7 | – – 1 1 – – 4 4 2 2 3 3 | x x C# C# x x E E G G B B | hard | |
| 7 7 9 9 7 7 0 0 11 11 9 9 | 1 1 2 2 1 1 – – 4 4 3 3 | G G E E G G G G B B C# C# | hard · barre on fret 7 | |
| 11 11 0 0 11 11 9 9 11 11 9 9 | 2 2 – – 3 3 1 1 4 4 1 1 | B B G G B B E E B B C# C# | medium · barre on fret 9 | |
| 1 1 4 4 1 1 0 0 4 4 3 3 | 1 1 3 3 1 1 – – 4 4 2 2 | C# C# B B C# C# G G E E G G | medium · barre on fret 1 | |
| x x 6 6 4 4 4 4 x x 3 3 | – – 4 4 2 2 3 3 – – 1 1 | x x C# C# E E B B x x G G | hard | |
| x x 6 6 4 4 0 0 7 7 7 7 | – – 2 2 1 1 – – 3 3 4 4 | x x C# C# E E G G G G B B | medium | |
| x x 6 6 7 7 9 9 x x 7 7 | – – 1 1 2 2 4 4 – – 3 3 | x x C# C# G G E E x x B B | hard | |
| 11 11 0 0 7 7 9 9 7 7 9 9 | 4 4 – – 1 1 2 2 1 1 3 3 | B B G G G G E E G G C# C# | hard · barre on fret 7 | |
| x x 0 0 11 11 9 9 11 11 9 9 | – – – – 2 2 1 1 3 3 1 1 | x x G G B B E E B B C# C# | medium · barre on fret 9 | |
| 1 1 0 0 1 1 4 4 1 1 0 0 | 1 1 – – 2 2 4 4 3 3 – – | C# C# G G C# C# B B C# C# E E | medium | |
| x x 4 4 x x 6 6 4 4 3 3 | – – 2 2 – – 4 4 3 3 1 1 | x x B B x x C# C# E E G G | hard | |
| x x 6 6 4 4 4 4 7 7 0 0 | – – 3 3 1 1 2 2 4 4 – – | x x C# C# E E B B G G E E | medium | |
| x x 9 9 x x 6 6 7 7 7 7 | – – 4 4 – – 1 1 2 2 3 3 | x x E E x x C# C# G G B B | hard |
The C#m7♭5 chord (Half-Diminished) is built from the notes C#, E, G, B. Below are playable fingerings for 12-String Guitar – Open C 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#m7♭5 chord is built
Formula: 1 · ♭3 · ♭5 · ♭7
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | C# |
| ♭3 | 3 | E |
| ♭5 | 6 | G |
| ♭7 | 10 | B |
More C# chords
Other roots
See C#m7♭5 in another tuning
What notes make up the C#m7♭5 chord?
C#m7♭5 is a Half-Diminished chord built from the notes C#, E, G, B.
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.