MODEL ANSWER
1)
Determine the point group.
BF3 is in the D3h point group.
2)
Degrees of freedom.
BF3 is a non-linear molecule, with 4 atoms.
Using the equation 3N, we see that BF3 has 12 degrees of
freedom.
Using the equation 3N 6, we see that BF3 has (12
3.4. Characters and Character Tables
3.4.1. Deriving character tables: Where do all the numbers come from?
A general and rigorous method for deriving character tables is based on five theorems
which in turn are based on something called The Great Orthogon
Chapter 3 - Molecular Symmetry
Symmetry helps us understand molecular structure, some chemical
properties, and characteristics of physical properties (spectroscopy)
used with group theory to predict vibrational spectra for the
identification of molecular
‘ [LE7
Chemistry 322 '
Indrganic Chemistry
Spring 2007
Problem Set 2 (Due on Wednesday, January 31)
In solving the problems for this class, I encourage you to work together using whatever
resources you need. Please answer the questions fully; use prose, c
Take_home-Statistical_Thermodynamics-Answers-30Sept13
1. N independent particles exist in one of the 3 non-degenerate energy levels of energies
E, 0, +E. The system is in contact with a thermal reservoir at temperature T. What is
the partition function of
Problems
4.1 IF3 O2 has three isomers, and the structures and point group assignment are as
following:
F
F
I
O
O
F
point group = C2v .
The electron-pairs of double bonds would occupy two of the equatorial sites to reduce
repulsive forces, similar to that