# MATH

1 D = 10^-18 statC·cm
= 10^-10 esu·Å
= 1⁄299,792,458×10^−21 C·m
≈ 3.33564×10^−30 C·m
≈ 1.10048498×1023
≈ 0.393430307 au

A dipole of 1 Debye is equal to 3.33 x 10-30 C m . Show that in atomic units 1 D = 0.39345 au.

The above is the deriviation that I found online, and the question says show this in atomic units, I don't really understand what its saying. Can you help please thanks.

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