The fundamental line (v′′ = 0 → v′ = 1) in the infrared absorption spectrum of 12C16O is at2143 cm–1 and the first overtone, (v′′ = 1 → v′ = 2), at 2117 cm–1. Determine Ve and XeVe for 12C16O.
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The fundamental line (v′′ = 0 → v′ = 1) in the infrared absorption spectrum of 12C16O is at
2143 cm–1 and the first overtone, (v′′ = 1 → v′ = 2), at 2117 cm–1. Determine Ve and XeVe for 12C16O.
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- The J = 2 → 3 pure-rotational transition for the ground vibrational state of 39K37C1 occurs at 22410 MHz. Neglecting centrifugal distortion, predict the frequency of the J = 0 → 1 pure-rotational transition of (a) 3ºK³7CI, and (b) 3ºK³C1. You may use the mass numbers as the masses of the corresponding atoms expressed in amu.3. If a hypothetic vibrational motion of a molecule can be described by Tvib = 2A1 + E, within the point group C4v, how many bands/peaks would you expect to see in its IR spectrum? Explain your reasoning. C, (4mm) E 2C, C, 20, 20. h = 8 1 1 1 1 x² + y', z2 A, 1 1 1 -1 -1 R_ B, 1 -1 1 1 -1 x² – y? B, 1 -1 1 -1 1 xy 2 -2 0 0 (x, y) (R, R) (zx, yz)Calculate the proportion of I2 molecules in their basal state, first and second excited state at 25 °C. The wave number is 214.6 cm−1 Hints: Equidistant levels, relation wave numbers and energy y (kT/hc) = 207.226 cm−1 a) At what temperature does the level ν = 1 of I2 have i) half of the population of the basal state, ii) the same population as the basic state?
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