= 6.5 Given that, for 2002: 0; = 1354.07 cm', 02 = 672.95 cm!, 0); = 2396.30 cm, *11 = - 3.10 cm-', X22 = 1.59 cm!, xz3 = -12.50 cm, X12 = -5.37 cm', X13 = -19.27 cm', X23 = -12.51 cm! 822 = -0.62 cm calculate the wavenumbers of the v = 1 level and the v2 = 2 (lz = 0) level. The resulting levels both have symmetry and, because of this and the fact that they would otherwise be close together, they interact by a process called Fermi resonance. As a result they are pushed much further apart. (0, 0, and 63 are equilibrium values corresponding to the vibrations vi, V2, and vz). = 6.5 Given that, for 2002: 0; = 1354.07 cm', 02 = 672.95 cm!, 0); = 2396.30 cm, *11 = - 3.10 cm-', X22 = 1.59 cm!, xz3 = -12.50 cm, X12 = -5.37 cm', X13 = -19.27 cm', X23 = -12.51 cm! 822 = -0.62 cm calculate the wavenumbers of the v = 1 level and the v2 = 2 (lz = 0) level. The resulting levels both have symmetry and, because of this and the fact that they would otherwise be close together, they interact by a process called Fermi resonance. As a result they are pushed much further apart. (0, 0, and 63 are equilibrium values corresponding to the vibrations vi, V2, and vz)