EG$20$

$[8]$ Soki ba spectres IR ya $$tirement C$=$O ezali $1680$cm$-1.$ Sakola position ya ligne Raman soki compos$$ oyo ezali na groupe C$=0$ e irradier na lumi$$re ya mercure ya longueur d$$onde $435,8$nm$.$ Line ya Rayleigh, Stoke na anti Stokes ekobima wapi $?$