Vibrational Frequencies calculated at HF/STO-3G
| 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' |
4066 |
3320 |
3.52 |
59.44 |
0.30 |
0.47 |
| 2 |
A' |
1552 |
1267 |
40.13 |
7.94 |
0.32 |
0.49 |
| 3 |
A' |
1377 |
1124 |
141.08 |
4.95 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 3497.5 cm
-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 2855.7 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/STO-3G
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
0.066 |
|
|
|
| 2 |
O |
-0.286 |
|
|
|
| 3 |
H |
0.220 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
| |
x |
y |
z |
Total |
| |
-1.477 |
-1.344 |
0.000 |
1.997 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-9.165 |
1.194 |
0.000 |
| y |
1.194 |
-12.194 |
0.000 |
| z |
0.000 |
0.000 |
-9.289 |
|
| Traceless |
| | x | y | z |
| x |
1.577 |
1.194 |
0.000 |
| y |
1.194 |
-2.967 |
0.000 |
| z |
0.000 |
0.000 |
1.390 |
|
| Polar |
| 3z2-r2 | 2.781 |
| x2-y2 | 3.029 |
| xy | 1.194 |
| xz | 0.000 |
| yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
| |
x |
y |
z |
| x |
0.980 |
0.351 |
0.000 |
| y |
0.351 |
1.270 |
0.000 |
| z |
0.000 |
0.000 |
0.668 |
<r2> (average value of r
2) Å
2
| <r2> |
13.908 |
| (<r2>)1/2 |
3.729 |