 Solution

ID: past-exam-of-the-chemistry-course-of-the-year-3-of-the-natural-sciences-course-of-the-university-of-cambridge/2021/paper-2a/section-b/21/a/iii/solution

Three separated infrared fundamentals: one parallel

A_{2 u}

E_{u}

bands. Each

E_{u}

frequency belongs to a doubly degenerate mode, but degeneracy does not create two distinct band origins.

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