Chord · 11ths
Cm7♭5/11 — C Half-Diminished / 11th
Cm7♭5/11 is the C half-diminished / 11th chord. It is built on the root C with minor 3rd (E♭), diminished 5th (G♭), minor 7th (B♭) and perfect 11th (F) above it — the formula 1 ♭3 ♭5 ♭7 11, sounding the notes C E♭ G♭ B♭ F. On the piano it sits at C (octave 4) and above in the library's voicing; the same 5 notes in any octave are still Cm7♭5/11.
- Root
- C
- Quality
- Half-Diminished / 11th
- Formula
- 1 ♭3 ♭5 ♭7 11
- Notes
- C E♭ G♭ B♭ F
On the keyboard
The notes of Cm7♭5/11
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | C | root | C4 |
| ♭3 | E♭ | minor 3rd | E♭4 |
| ♭5 | G♭ | diminished 5th | G♭4 |
| ♭7 | B♭ | minor 7th | B♭4 |
| 11 | F | perfect 11th | F5 |
Other 11ths on C
Half-Diminished / 11th chords on every root
Part of the chord reference. See also the scales and the keys.