Question

Essay 2: List the different modes of carbon tetrachloride. Which modes are IR active and which are Raman active? [20 points)

Answer 1

of Celt. 10! : There are 3 types of vibration (is Pure stretching (ii) Pure bending (1) Mixed. isole aps only () mixed vibration are IR active IR active mode : IR active vibratim ar which involve change in moment, weep only (si)' Mixe Ramon active mode : Ramon active vibration are - those which involve change in pola rigability, all cis pure stretching (ii) pure a bending and (iii) mixed are roman det active. cu 3 ay C G Pure Stretching (IR-inactive ) Roman = active Pure bending (IR= inactivel Ramau= Active) Mixed Beading IR = inactive) Raman = active) Jtu dy CG Mixed ered 1 cup mixed IR=active Raman - Active IR=a R = active IR = active chas.com, Festetive CamScanner Active Raman -

a → į ug çe le IR TR mixed = Active Ramau - Active Raman 1. mixed IR = tetive Ranau = Active - mixed IR= active Raman = active. cs Scanned with CamScanner