20.25 If the J = 2 to 3 rotational transition for a diatomicmolecule occurs at λ = 2.00 cm, find λ for the J = 6 to 7 tran-sition of this molecule.11S

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Answered: 20.25 If the J = 2 to 3 rotational…

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter15: Introduction To Electronic Spectroscopy And Structure

Section: Chapter Questions

Problem 15.58E

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Why is 133C-133C spin-spin splitting not observed in ordinary organic compounds?
Is the bond length in 1HCl the same as that in 2HCl? The wavenumbers of the J = 1 ← 0 rotational transitions for 1H35Cl and 2H35Cl are 20.8784 and 10.7840 cm–1, respectively. Accurate atomic masses are 1.007 825mu and 2.0140mu for 1H and 2H, respectively. The mass of 35Cl is 34.968 85mu. Based on this information alone, can you conclude that the bond lengths are the same or different in the two molecules?
1/ Please explain the answer in detail
You know that the wavenumbers of the rotational transition J = 1← 0 for 1H35Cl and2H35Cl are 20.8784 and 10.7840cm-1, respectively. Accurate atomic masses are1.007825 and 2.0140 for 1H and 2H, respectively. The mass of 35Cl is34.96885. Conclude based on this information that the bond lengths are the sameor different
2.2 You know that the wavenumbers of the rotational transition J = 1← 0 for 1H35Cl and 2H35Cl are 20.8784 and 10.7840cm-1, respectively. Accurate atomic masses are 1.007825 and 2.0140 for 1H and 2H, respectively. The mass of 35Cl is 34.96885. Conclude based on this information that the bond lengths are the same
Which of the following equation represents an allowed transition in a pure rotational spectrum (in joules)? Select one: O a. AE = 2B hc (J+ 1) O b. AE = B hc J(J + 1) %3D O c. AE = J (J + 1)B 2. d. AE = J (J + 1) h /8n / 2.
5. Calculate the frequency and wavenumber of the J = 3 € 2 transition in the pure rotational spectrum of 14N160. The equilibrium bond length is 115 pm. Does the frequency increase or decrease if centrifugal distortion is considered?
we can model 1,3,5-hexatriene as a box of the length 0.904 nm, with 6 electrons in the first three energy levels. what is the frequency of an electronic transition form the highest occupied orbital to the lowest unoccupied orbital
9. Calculate the bond length of carbon monoxide if the J=0 to J=1 transition for 12C160 in its microwave spectrum is 1.153×10° MHz.
A series of lines in the spectrum of neutral Li atoms rise from transitions between 1s22p1 2P and 1s2nd1 2D and occur at 610.36 nm, 460.29 nm, and 413.23 nm. The d orbitals are hydrogenic. It is known that the transition from the 2P to the 2S term (which arises from the ground-state configuration 1s22s1) occurs at 670.78 nm. Calculate the ionization energy of the ground-state atom.
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4) Calculate the energies E of the first three rotational levels (those giving the minimal energy) of 1H35Cl molecule that is free to rotate in three dimensions. For its moment of inertia I = μeffR2 use the effective mass with μeff = mH * mCl / (mH + mCl) and bond length R = 127 pm.

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20.25 If the J = 2 to 3 rotational transition for a diatomic molecule occurs at λ = 2.00 cm, find λ for the J = 6 to 7 tran- sition of this molecule. 11 S