Vibrational Frequencies calculated at PBEPBE/3-21G*
Mode Number |
Symmetry |
Frequency (cm-1) |
Scaled Frequency (cm-1) |
IR Intensities (km mol-1) |
Raman Act (Å4/u) |
Dep P |
Dep U |
1 |
A' |
3299 |
3146 |
20.39 |
87.70 |
0.31 |
0.47 |
2 |
A' |
1079 |
1029 |
55.99 |
7.38 |
0.59 |
0.74 |
3 |
A' |
585 |
558 |
5.23 |
13.57 |
0.29 |
0.45 |
Unscaled Zero Point Vibrational Energy (zpe) 2481.6 cm
-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 2366.2 cm
-1
See section
III.C.1 List or set vibrational scaling factors
to change the scale factors used here.
See section
III.C.2
Calculate a vibrational scaling factor for a given set of molecules
to determine the least squares best scaling factor.
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G*
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
O |
-0.486 |
|
|
|
2 |
I |
0.131 |
|
|
|
3 |
H |
0.355 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
|
x |
y |
z |
Total |
|
-1.547 |
-0.167 |
0.000 |
1.555 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-32.699 |
-3.752 |
0.000 |
y |
-3.752 |
-30.877 |
0.000 |
z |
0.000 |
0.000 |
-34.829 |
|
Traceless |
| x | y | z |
x |
0.155 |
-3.752 |
0.000 |
y |
-3.752 |
2.887 |
0.000 |
z |
0.000 |
0.000 |
-3.042 |
|
Polar |
3z2-r2 | -6.083 |
x2-y2 | -1.822 |
xy | -3.752 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
3.624 |
-0.331 |
0.000 |
y |
-0.331 |
5.438 |
0.000 |
z |
0.000 |
0.000 |
3.136 |
<r2> (average value of r
2) Å
2
<r2> |
54.705 |
(<r2>)1/2 |
7.396 |