EBK PHYSICAL CHEMISTRY
2nd Edition
ISBN: 8220100477560
Author: Ball
Publisher: Cengage Learning US
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Textbook Question
Chapter 15, Problem 15.31E
Use group-theoretical arguments to determine the term symbols for
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(a) Use the simple one-electron molecular orbital method, including overlap, to calculate the energies of the molecular orbitals of the hydrogen molecule (H2) in terms of α, β and S?
How do you write the Huckel determinant for the pi electrons of butadiene? How would you find the energies of the molecular orbitals?
(A)Write the Hückel Hamiltonian matrix for benzene. (B) The pictures below represent a top view of the π molecular orbitals for benzene. They are labeled from A to F, in no order.
Place the labels A, B, C, etc., in the boxes according to their energy. SHOW THE NODES.
(B)
Chapter 15 Solutions
EBK PHYSICAL CHEMISTRY
Ch. 15 - Linearly polarized light can be assigned a...Ch. 15 - Linearly polarized light can be assigned a...Ch. 15 - Prob. 15.3ECh. 15 - Determine the value of R for deuterium (2H) and...Ch. 15 - Prob. 15.5ECh. 15 - Draw a Grotrian-type diagram for the first four...Ch. 15 - What is the value of the change in energy, E, for...Ch. 15 - Prob. 15.8ECh. 15 - List the possible values of L, ML, S, MS, J, and...Ch. 15 - Prob. 15.10E
Ch. 15 - Prob. 15.11ECh. 15 - Prob. 15.12ECh. 15 - Prob. 15.13ECh. 15 - What is the term symbol for the ground state of a...Ch. 15 - Prob. 15.15ECh. 15 - Prob. 15.16ECh. 15 - Prob. 15.17ECh. 15 - Prob. 15.18ECh. 15 - Prob. 15.19ECh. 15 - Prob. 15.20ECh. 15 - Prob. 15.21ECh. 15 - Prob. 15.22ECh. 15 - Use Hunds rules to predict the term symbol of the...Ch. 15 - Prob. 15.24ECh. 15 - Prob. 15.25ECh. 15 - An Mg atom is in the excited electron...Ch. 15 - Prob. 15.27ECh. 15 - Prob. 15.28ECh. 15 - Prob. 15.29ECh. 15 - Prob. 15.30ECh. 15 - Use group-theoretical arguments to determine the...Ch. 15 - The GeF molecule, which exists in the gas phase at...Ch. 15 - The SrH molecule in a 2+ electronic ground state....Ch. 15 - Prob. 15.34ECh. 15 - What are the values of and for NF in its 3...Ch. 15 - Prob. 15.36ECh. 15 - Determine the ground-state term symbol of the...Ch. 15 - Prob. 15.38ECh. 15 - Prob. 15.39ECh. 15 - Prob. 15.40ECh. 15 - Prob. 15.41ECh. 15 - Prob. 15.42ECh. 15 - The 1, 1'-diethyl-2, 2'-dicarbocyanine cation has...Ch. 15 - Prob. 15.44ECh. 15 - Naphthacene, C18H12, consists of four benzene...Ch. 15 - Prob. 15.46ECh. 15 - Prob. 15.47ECh. 15 - Construct the Hckel determinants for...Ch. 15 - Prob. 15.49ECh. 15 - Using the Internet, find a Hckel determinant...Ch. 15 - Prob. 15.51ECh. 15 - Explain why cyclopentadiene easily accepts an...Ch. 15 - Prob. 15.53ECh. 15 - Prob. 15.54ECh. 15 - Prob. 15.55ECh. 15 - Prob. 15.56ECh. 15 - Prob. 15.57ECh. 15 - Prob. 15.58ECh. 15 - Would the light from fireflies be considered an...Ch. 15 - Prob. 15.60ECh. 15 - Prob. 15.61ECh. 15 - Prob. 15.62ECh. 15 - How many 632.8-nm photons must a He-Ne laser emit...Ch. 15 - Prob. 15.64ECh. 15 - Green He-Ne lasers are also available; they emit...Ch. 15 - Blu-ray disks and high-density DVDs use an indium...Ch. 15 - Prob. 15.67ECh. 15 - Explain why X-ray lasers would be extremely...Ch. 15 - Prob. 15.69E
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- The photoelectron spectrum of HBr has two main groups of peaks. The first has ionization energy 11.88 eV. The next peak has ionization energy 15.2 eV, and it is followed by a long progression of peaks with higher ionization energies. Identify the molecular orbitals corresponding to these two groups of peaks.arrow_forwardConstruct the (generic) molecular orbital diagram for homonuclear diatomic molecules for elements up to the second period in the periodic table [Write the generic wave functions of the molecular orbitals]arrow_forwardMany of the colours of vegetation are due to electronic transit ions in conjugated π-electron systems. In the freeelectron molecular orbital (FEMO) theory. the electrons in a conjugated molecule are treated as independent particles in a box of length L. (a) Sketch the form of the two occupied orbitals in butadiene predicted by this model and predict the minimum excitation energy of the molecule. (b) In many cases. an extra half bond-length is often added at each end of the box. The tetraene CH2=CHCH=CHCH=CHCH=CH2 can therefore be t reated as a box of length 8R. where R = 140 pm. Ca lcu late the minimum excitation energy of the molecule and sketch the HOMO and LUMO.arrow_forward
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