Inorganic Chemistry
5th Edition
ISBN: 9780321811059
Author: Gary L. Miessler, Paul J. Fischer, Donald A. Tarr
Publisher: Prentice Hall
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Chapter 4.4, Problem 4.11E
Interpretation Introduction
Interpretation: The infrared active vibrational modes of
Concept introduction: A molecular vibration is said to be infrared active that means an IR spectrum absorption can be used to measure the excitation of the vibrational mode only if there is any change in the dipole moment of the molecule takes place.
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Write the valence bond wavefunction of the σ bond in a C-H group of a molecule.
9A.2 Write the valence bond wavefunction of the o bond in a C-H group of a molecule.
7. Consider the Jablonski diagrams below, where So, S₁, and S2 are all singlet electronic
states, and T₁ is a triplet electronic state. (So is the electronic ground state.) The horizontal
lines indicate the vibrational energy levels in each electronic state. The arrow drawn on the
diagram represents the absorption of a UV photon with = 250 nm, promoting the
molecule to a high vibrational level in the S₁ state. (The wavelength values here and below
are meant as a guide, but this is not really a quantitative question.)
Two different processes are described below the diagrams. Read each one, and then draw
an appropriate set of arrows on the corresponding diagram to represent the process
described.
E
Diagram #1 - Fluorescence process
S₂
S₁
So
SS5
T₁
Vo
V4
V3
55555
V₂
V₁
V₁
Diagram #2 - Phosphorescence process
E
S₂
S₁
So
55555
Vo
T₁
7.1 Diagram #1: After the absorption shown in the diagram, the molecule fluoresces,
emitting a photon with = 310 nm.
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7.2 Diagram #2: After the absorption…
Chapter 4 Solutions
Inorganic Chemistry
Ch. 4.1 - Prob. 4.1ECh. 4.1 - Find all the symmetry elements in the following...Ch. 4.2 - Use the procedure described previously to verify...Ch. 4.3 - Prob. 4.4ECh. 4.3 - Verify the transformation matrices for the E and...Ch. 4.3 - Prepare a representation flowchart according to...Ch. 4.4 - Which point groups are possible for chiral...Ch. 4.4 - Write the corresponding 99 transformation matrices...Ch. 4.4 - Using the x, y, and z coordinates for each atom in...Ch. 4.4 - Reduce the following representations to their...
Ch. 4.4 - Prob. 4.11ECh. 4.4 - Analysis of the x, y, and z coordinates of each...Ch. 4.4 - Determine the number of IR-active CO stretching...Ch. 4.4 - Prob. 4.14ECh. 4 - Determine the point groups for a. Ethane...Ch. 4 - Determine the point groups for a. Ethylene b....Ch. 4 - Determine the point groups for a. Acetylene b....Ch. 4 - Determine the point groups for a. Naphthalene b....Ch. 4 - Determine the point groups for a. 1,1’ ...Ch. 4 - Determine the point groups for a. Cyclohexane...Ch. 4 - Determine the point groups for a. A sheet of...Ch. 4 - Determine the point groups for a. A flat oval...Ch. 4 - Determine the point groups for a. A triangular...Ch. 4 - Determine the point groups for the examples of...Ch. 4 - Determine the point groups of the molecules in the...Ch. 4 - Determine the point groups of the molecules and...Ch. 4 - Determine the point groups of the following atomic...Ch. 4 - a. Show that a cube has the same symmetry elements...Ch. 4 - Suppose an octahedron can have either yellow or...Ch. 4 - What point groups are represented by the symbols...Ch. 4 - Prob. 4.17PCh. 4 - Determine the point groups for the following flags...Ch. 4 - Prepare a representation flowchart according to...Ch. 4 - For trans-1,2-dichloroethylene, which has C2h...Ch. 4 - Ethylene has D2h symmetry. a. List all the...Ch. 4 - Using the D2d character table, a. Determine the...Ch. 4 - Reduce the following representations to...Ch. 4 - For D4h symmetry use sketches to show that dxy...Ch. 4 - Prob. 4.25PCh. 4 - XeOF4 has one of the more interesting structures...Ch. 4 - Repeat the procedure from the previous problem,...Ch. 4 - For the following molecules, determine the number...Ch. 4 - Prob. 4.29PCh. 4 - The structure of 1,1,2,2-tetraiododisilane is...Ch. 4 - Both cis and trans isomers of IO2F4 have been...Ch. 4 - White elemental phosphorus consists of tetrahedral...Ch. 4 - Complexes of the general formula Fe(CO)5x( PR3)x...Ch. 4 - Prob. 4.35PCh. 4 - Prob. 4.36PCh. 4 - Prob. 4.37PCh. 4 - Prob. 4.38PCh. 4 - Determine the point groups of the following...Ch. 4 - Prob. 4.40PCh. 4 - Determine the point groups of the following: a....Ch. 4 - Use the Internet to search for molecules with the...
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