Love it, but only if it's spelled Viveca, or possibly
Viveka. It has a very energetic feeling to me. Musical also.
If you're using the Vivica spelling in order to get the cute nn Vivi / Vivie, then you can still do that by using the traditional spellings.
Viveca
Sophie /
SofieViveca
JulieViveca
Mary /
MarenViveca
CharlotteViveca
LucyViveca
AlixViveca
LaurelViveca
NerysViveca
Annabel
You like?