Vibrational Frequencies calculated at HF/CEP-121G*
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 |
2487 |
2247 |
78.72 |
77.66 |
0.17 |
0.30 |
2 |
A1 |
878 |
793 |
108.20 |
3.24 |
0.00 |
0.00 |
3 |
A1 |
433 |
391 |
92.23 |
0.57 |
0.66 |
0.80 |
4 |
E |
1023 |
924 |
324.28 |
0.30 |
0.75 |
0.86 |
4 |
E |
1023 |
924 |
324.28 |
0.30 |
0.75 |
0.86 |
5 |
E |
895 |
808 |
24.30 |
7.50 |
0.75 |
0.86 |
5 |
E |
895 |
808 |
24.30 |
7.50 |
0.75 |
0.86 |
6 |
E |
306 |
277 |
16.17 |
0.44 |
0.75 |
0.86 |
6 |
E |
306 |
277 |
16.17 |
0.44 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 4122.9 cm
-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 3724.6 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-121G*
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Si |
1.235 |
|
|
|
2 |
H |
-0.055 |
|
|
|
3 |
F |
-0.394 |
|
|
|
4 |
F |
-0.394 |
|
|
|
5 |
F |
-0.394 |
|
|
|
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 |
1.740 |
1.740 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-28.650 |
0.000 |
0.000 |
y |
0.000 |
-28.650 |
0.000 |
z |
0.000 |
0.000 |
-24.497 |
|
Traceless |
| x | y | z |
x |
-2.076 |
0.000 |
0.000 |
y |
0.000 |
-2.076 |
0.000 |
z |
0.000 |
0.000 |
4.153 |
|
Polar |
3z2-r2 | 8.306 |
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 |
2.505 |
0.000 |
0.000 |
y |
0.000 |
2.505 |
0.000 |
z |
0.000 |
0.000 |
2.670 |
<r2> (average value of r
2) Å
2
<r2> |
67.164 |
(<r2>)1/2 |
8.195 |