Calculate the value of rotational constant for Bond length
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if you know that the Rotational spectroscopy for Molecule Br79 F19 gives a series of equal lines by 0.71433 cm-1 .
Calculate the value of rotational constant for Bond length
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- A CO molecule starts in the vibrational and rotational ground state with k = 900 N/m. Calculate the energy of the CO molecule.P11C.15 The rotational constant for a diatomic molecule in the vibrational state with quantum number v typically fits the expression B, = B,- a(v+}), where B, is the rotational constant corresponding to the equilibrium bond length. For the interhalogen molecule IF it is found that B, = 0.279 71 cm and a = 0.187 m (note the change of units). Calculate B, and B, and use these values to calculate the wavenumbers of the transitions originating from J= 3 of the P and R branches. You will need the following additional information: v = 610.258 cm and x,ỹ = 3.141 cm. Estimate the dissociation energy of the IF molecule.The internuclear distance (bond length) of carbon monoxide molecule is 1.13 Å. Calculate the energy (in joules and eV) of this molecule in the first excited rotational level. Also calculate the angular velocity of the molecule. Given atomic masses of 12^C = 1.99x10^-26 kg; 16^O = 2.66x10^-26 kg.
- Determine the wavenumbers for the two lowest energy rotational excitations for trans- 3251°F4 H2 if the S-F bond distance is 1.74 Å and the S-H bond distance is 1.34 Å.A hypothetical NH molecule makes a rotational-level transition from l=3 to l=1 and gives off a photon of wavelength 1.800 nm in doing so. What is the seperation between the two atoms in this molecule if we model them as point masses? The mass of hydrogen 1.67 * 10^-27 kg, and the mass of nitrogen is 2.33 * 10^-26 kg.The transition from theℓ = 2 to the ℓ = 1 state in CO is accompanied by the emission of a 9.55 x 10-4 eV photon. (a) Use this information to fi nd the rotational inertia of the CO molecule. (b) What is the bond length between the C and O atoms?
- Suppose the distance between the two atoms is equal to the equilibrium distance found in part A. What minimum energy must be added to the molecule to dissociate it-that is, to separate the two atoms to an infinite distance apart? This is called the dissociation energy of the molecule. For the molecule CO, the equilibrium distance between the carbon and oxygen atoms is 1.13×10−10m and the dissociation energy is 1.54×10−18J per molecule. Find the value of the constant a. Find the value of the constant b.Assume the distance between the protons in the H2 molecule is 0.750 x 10-10 m. (a) Find the energy of the first excited rotational state, with J = 1. (b) Find the wavelength of radiation emitted in the transition from J = 1 to J = 0.Consider a triatomic molecule of the shape shown in the figure in three dimensions. The heat capacity of this molecule at high temperature (temperature much higher than the vibrational and rotational energy scales of the molecule but lower than its bond dissociation energies) is: