C#
Leading whole tone
 Scale
notes:C#D#E#F##G##A##B#
intervals:1P2M3M4A5A6A7M
semitones:2222211
F##DG##EAbD#BbE#G##EA##F#3BbE#B#F##A##F#C#G#5B#F##DG##C#AbD#Bb7DG##EA##D#BbE#B#9EA##F#C#E#B#F##DF#C#G#D#1212F##DG##EAbD#BbE#G##EA##F#15BbE#B#F##A##F#C#G#17B#F##DG##C#AbD#Bb19DG##EA##D#BbE#B#

Harmonized chords

IIIIIIIVVVIVII
in 3-notesC#Mb6D#Mb6E#majF##Mb5G##dim-B#m
in 4-notesC#M7b6D#7b13E#7F##7b5G##m7b5-B#m/ma7

other scale chords

C#augC#maj7b5C#+7C#7b5C#M7b6C#Mb6C#maj9#5C#7#5C#9#5C#9#5#11C#M#5add9C#Mb5C#M9b5C#9b5C#7no5C#7b13C#9no5C#9b13

Scale modes

C# Leading whole toneE# Lydian minorF## Locrian majorB# Neopolitan major

Related

with less notes

C# Whole toneC# Lydian #5P pentatonicC# Whole tone pentatonic