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 |
A1 |
3797 |
3100 |
19.77 |
52.08 |
0.12 |
0.22 |
| 2 |
A1 |
2174 |
1775 |
264.71 |
9.00 |
0.39 |
0.56 |
| 3 |
A1 |
1982 |
1619 |
2.09 |
14.66 |
0.09 |
0.16 |
| 4 |
A1 |
1360 |
1111 |
75.00 |
4.56 |
0.48 |
0.65 |
| 5 |
A1 |
1285 |
1049 |
0.94 |
18.94 |
0.53 |
0.69 |
| 6 |
A1 |
984 |
803 |
20.35 |
7.07 |
0.17 |
0.29 |
| 7 |
A1 |
780 |
637 |
2.57 |
3.60 |
0.49 |
0.66 |
| 8 |
A2 |
1061 |
867 |
0.00 |
0.42 |
0.75 |
0.86 |
| 9 |
A2 |
589 |
481 |
0.00 |
4.30 |
0.75 |
0.86 |
| 10 |
B1 |
897 |
733 |
11.80 |
3.13 |
0.75 |
0.86 |
| 11 |
B1 |
732 |
598 |
41.23 |
1.40 |
0.75 |
0.86 |
| 12 |
B1 |
232 |
190 |
0.86 |
0.03 |
0.75 |
0.86 |
| 13 |
B2 |
3751 |
3062 |
82.50 |
45.27 |
0.75 |
0.86 |
| 14 |
B2 |
1602 |
1308 |
16.27 |
0.31 |
0.75 |
0.86 |
| 15 |
B2 |
1369 |
1118 |
14.67 |
2.13 |
0.75 |
0.86 |
| 16 |
B2 |
1213 |
991 |
47.71 |
0.21 |
0.75 |
0.86 |
| 17 |
B2 |
1009 |
824 |
6.34 |
3.23 |
0.75 |
0.86 |
| 18 |
B2 |
533 |
435 |
2.77 |
2.00 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 12674.6 cm
-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 10348.8 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/STO-3G
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
0.426 |
|
|
|
| 2 |
O |
-0.249 |
|
|
|
| 3 |
O |
-0.219 |
|
|
|
| 4 |
O |
-0.219 |
|
|
|
| 5 |
C |
0.025 |
|
|
|
| 6 |
C |
0.025 |
|
|
|
| 7 |
H |
0.106 |
|
|
|
| 8 |
H |
0.106 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
| |
x |
y |
z |
Total |
| |
0.000 |
0.000 |
-3.464 |
3.464 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-29.330 |
0.000 |
0.000 |
| y |
0.000 |
-31.617 |
0.000 |
| z |
0.000 |
0.000 |
-30.845 |
|
| Traceless |
| | x | y | z |
| x |
1.901 |
0.000 |
0.000 |
| y |
0.000 |
-1.529 |
0.000 |
| z |
0.000 |
0.000 |
-0.371 |
|
| Polar |
| 3z2-r2 | -0.742 |
| x2-y2 | 2.287 |
| xy | 0.000 |
| xz | 0.000 |
| yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
| |
x |
y |
z |
| x |
0.724 |
0.000 |
0.000 |
| y |
0.000 |
3.336 |
0.000 |
| z |
0.000 |
0.000 |
4.788 |
<r2> (average value of r
2) Å
2
| <r2> |
115.593 |
| (<r2>)1/2 |
10.751 |