The normal modes of cyanogen, C_{2}N_{2}, are shown in Figure 23.14. (The last two diagrams represent two modes each, of equal frequency.) Determine which modes are infrared active.
The normal modes of cyanogen, C_{2}N_{2}, are shown in Figure 23.14. (The last two diagrams represent two modes each, of equal frequency.) Determine which modes are infrared active.