Vibrational Frequencies calculated at B2PLYP/aug-cc-pVTZ
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 |
2262 |
2174 |
0.00 |
396.56 |
0.00 |
0.00 |
2 |
E |
990 |
951 |
0.00 |
10.48 |
0.75 |
0.86 |
2 |
E |
990 |
951 |
0.00 |
10.48 |
0.75 |
0.86 |
3 |
T2 |
2269 |
2180 |
117.16 |
63.88 |
0.75 |
0.86 |
3 |
T2 |
2269 |
2180 |
117.16 |
63.88 |
0.75 |
0.86 |
3 |
T2 |
2269 |
2180 |
117.16 |
63.88 |
0.75 |
0.86 |
4 |
T2 |
933 |
897 |
139.45 |
0.68 |
0.75 |
0.86 |
4 |
T2 |
933 |
897 |
139.45 |
0.68 |
0.75 |
0.86 |
4 |
T2 |
933 |
897 |
139.45 |
0.68 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 6923.2 cm
-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 6653.2 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 B2PLYP/aug-cc-pVTZ
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Si |
1.424 |
|
|
|
2 |
H |
-0.356 |
|
|
|
3 |
H |
-0.356 |
|
|
|
4 |
H |
-0.356 |
|
|
|
5 |
H |
-0.356 |
|
|
|
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 |
-16.679 |
-0.006 |
0.000 |
y |
-0.006 |
-16.679 |
0.000 |
z |
0.000 |
0.000 |
-16.679 |
|
Traceless |
| x | y | z |
x |
0.000 |
-0.006 |
0.000 |
y |
-0.006 |
0.000 |
0.000 |
z |
0.000 |
0.000 |
0.000 |
|
Polar |
3z2-r2 | 0.000 |
x2-y2 | 0.000 |
xy | -0.006 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
4.654 |
0.000 |
0.000 |
y |
0.000 |
4.654 |
0.000 |
z |
0.000 |
0.000 |
4.654 |
<r2> (average value of r
2) Å
2
<r2> |
19.171 |
(<r2>)1/2 |
4.378 |