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 |
A1 |
2221 |
2118 |
39.36 |
165.05 |
0.03 |
0.07 |
| 2 |
A1 |
1057 |
1008 |
216.55 |
15.05 |
0.55 |
0.71 |
| 3 |
A1 |
906 |
864 |
5.28 |
8.23 |
0.52 |
0.68 |
| 4 |
E |
2226 |
2122 |
161.63 |
51.89 |
0.75 |
0.86 |
| 4 |
E |
2226 |
2122 |
161.66 |
51.89 |
0.75 |
0.86 |
| 5 |
E |
896 |
854 |
83.30 |
24.77 |
0.75 |
0.86 |
| 5 |
E |
896 |
854 |
83.30 |
24.77 |
0.75 |
0.86 |
| 6 |
E |
753 |
718 |
63.23 |
9.48 |
0.75 |
0.86 |
| 6 |
E |
753 |
718 |
63.23 |
9.48 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 5966.3 cm
-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 5688.9 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 |
Si |
0.485 |
|
|
|
| 2 |
F |
-0.260 |
|
|
|
| 3 |
H |
-0.075 |
|
|
|
| 4 |
H |
-0.075 |
|
|
|
| 5 |
H |
-0.075 |
|
|
|
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 |
0.893 |
0.893 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-19.763 |
0.000 |
0.000 |
| y |
0.000 |
-19.763 |
0.000 |
| z |
0.000 |
0.000 |
-20.496 |
|
| Traceless |
| | x | y | z |
| x |
0.366 |
0.000 |
0.000 |
| y |
0.000 |
0.366 |
0.000 |
| z |
0.000 |
0.000 |
-0.733 |
|
| Polar |
| 3z2-r2 | -1.466 |
| x2-y2 | 0.000 |
| 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 |
3.044 |
0.000 |
0.000 |
| y |
0.000 |
3.044 |
0.000 |
| z |
0.000 |
0.000 |
2.756 |
<r2> (average value of r
2) Å
2
| <r2> |
36.268 |
| (<r2>)1/2 |
6.022 |