For the hypothetical molecule shown, how many IR-active and Raman-active C-N stretches would you expect? NH3 NC I M NC CN NH3 O O IR-active, 1 Raman-active O 1 IR-active, O Raman-active O 1 IR-active, 1 Raman-active O 1 IR-active, 2 Raman-active 2 IR-active, 1 Raman-active 2 IR-active, 2 Raman-active