7. a) Calculate the absorption frequency of 2H9F stretch vibratio frequency of vibration of 'H19F...
8. Answer the following questions about CO2: a. What is the theoretical number vibrational modes of this molecule? b. What are factors that limit the number of observed vibrational modes? c. Explain why the symmetric stretch mode depicted here is Raman-active but IR- inactive.
please answer highlighted questions Problems 85 3.9 Which of the following species contain a C4 axis and 3.27 Six of the nine vibrational degrees of freedom of SiF are IR active. Why are IR absorptions observed only at 389 and 1030 cm for this compound? 3.10 How many mirror planes do each of the following molecules contain: (a) SF" (b) H2S; (c) SF" (d) 3.28 AICİ6 belongs to the D2hpoint group: SOF: () SO () SO,? 3.11 (a) What structure...