Vibrational Frequencies calculated at HF/CEP-31G
| 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' |
3331 |
3002 |
33.18 |
|
|
|
| 2 |
A' |
1815 |
1636 |
322.77 |
|
|
|
| 3 |
A' |
1468 |
1323 |
4.37 |
|
|
|
| 4 |
A' |
1115 |
1005 |
151.80 |
|
|
|
| 5 |
A' |
619 |
558 |
60.07 |
|
|
|
| 6 |
A" |
1088 |
980 |
0.02 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 4717.5 cm
-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 4252.3 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 HF/CEP-31G
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
0.080 |
|
|
|
| 2 |
H |
0.196 |
|
|
|
| 3 |
O |
-0.203 |
|
|
|
| 4 |
O |
-0.073 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
| |
x |
y |
z |
Total |
| |
-1.839 |
2.392 |
0.000 |
3.017 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-22.035 |
-1.362 |
0.000 |
| y |
-1.362 |
-14.670 |
0.000 |
| z |
0.000 |
0.000 |
-16.248 |
|
| Traceless |
| | x | y | z |
| x |
-6.576 |
-1.362 |
0.000 |
| y |
-1.362 |
4.471 |
0.000 |
| z |
0.000 |
0.000 |
2.105 |
|
| Polar |
| 3z2-r2 | 4.210 |
| x2-y2 | -7.365 |
| xy | -1.362 |
| xz | 0.000 |
| yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
| |
x |
y |
z |
| x |
3.055 |
-0.174 |
0.000 |
| y |
-0.174 |
1.815 |
0.000 |
| z |
0.000 |
0.000 |
1.147 |
<r2> (average value of r
2) Å
2
| <r2> |
30.014 |
| (<r2>)1/2 |
5.479 |