Vibrational Frequencies calculated at HF/6-311+G(3df,2p)
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 |
2325 |
2112 |
83.03 |
|
|
|
2 |
A1 |
1662 |
1510 |
47.33 |
|
|
|
3 |
A1 |
1026 |
932 |
86.57 |
|
|
|
4 |
A1 |
741 |
673 |
50.93 |
|
|
|
5 |
A2 |
904 |
821 |
0.00 |
|
|
|
6 |
B1 |
1675 |
1522 |
95.39 |
|
|
|
7 |
B1 |
949 |
862 |
156.28 |
|
|
|
8 |
B2 |
2318 |
2106 |
165.83 |
|
|
|
9 |
B2 |
818 |
743 |
118.22 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 6208.6 cm
-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 5641.1 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/6-311+G(3df,2p)
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Si |
0.384 |
|
|
|
2 |
H |
-0.096 |
|
|
|
3 |
H |
-0.096 |
|
|
|
4 |
H |
-0.096 |
|
|
|
5 |
H |
-0.096 |
|
|
|
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 |
0.000 |
0.000 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-16.741 |
0.000 |
0.000 |
y |
0.000 |
-16.741 |
0.000 |
z |
0.000 |
0.000 |
-16.741 |
|
Traceless |
| x | y | z |
x |
-0.000 |
0.000 |
0.000 |
y |
0.000 |
0.000 |
0.000 |
z |
0.000 |
0.000 |
-0.000 |
|
Polar |
3z2-r2 | -0.000 |
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 |
4.216 |
0.000 |
0.000 |
y |
0.000 |
4.216 |
0.000 |
z |
0.000 |
0.000 |
4.216 |
<r2> (average value of r
2) Å
2
<r2> |
19.163 |
(<r2>)1/2 |
4.378 |