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' |
3945 |
3542 |
74.87 |
108.12 |
0.30 |
0.46 |
| 2 |
A' |
1478 |
1327 |
199.56 |
3.02 |
0.53 |
0.69 |
| 3 |
A' |
1281 |
1150 |
109.55 |
8.49 |
0.58 |
0.74 |
Unscaled Zero Point Vibrational Energy (zpe) 3351.6 cm
-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 3009.8 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 |
-0.122 |
|
|
|
| 2 |
O |
-0.330 |
|
|
|
| 3 |
H |
0.452 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
| |
x |
y |
z |
Total |
| |
-1.835 |
-1.956 |
0.000 |
2.682 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-10.882 |
1.792 |
0.000 |
| y |
1.792 |
-13.553 |
0.000 |
| z |
0.000 |
0.000 |
-11.155 |
|
| Traceless |
| | x | y | z |
| x |
1.472 |
1.792 |
0.000 |
| y |
1.792 |
-2.535 |
0.000 |
| z |
0.000 |
0.000 |
1.062 |
|
| Polar |
| 3z2-r2 | 2.125 |
| x2-y2 | 2.672 |
| xy | 1.792 |
| xz | 0.000 |
| yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
| |
x |
y |
z |
| x |
1.886 |
0.263 |
0.000 |
| y |
0.263 |
2.251 |
0.000 |
| z |
0.000 |
0.000 |
1.533 |
<r2> (average value of r
2) Å
2
| <r2> |
12.843 |
| (<r2>)1/2 |
3.584 |