C# chords with alternative bass notes

C# major chords for piano with alternative bass notes presented by keyboard diagrams.
Explanation: The slash in the chord name indicates that the second letter is added as a new bass note. C#/A# should therefore be read as C sharp Major chord with a A sharp note in the bass.
Theory: C#/A# is identical with the third inversion of C#6.

C#/A#

C#/A# chord diagram
Notes: A# - C# - F - G# / A# - C# - E# - G#
Left hand: 5-3-2-1
Right hand: 1-2-3-5

C# chord categories

C# C#m C#7 C#m7 C#maj7 C#mM7 C#6 C#m6 C#6/9 C#5 C#9 C#m9 C#maj9 C#11 C#m11 C#13 C#m13 C#add C#7-5 C#7+5 C#sus C#dim C#dim7 C#m7b5 C#aug C#aug7