Vibrational Frequencies calculated at BLYP/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 |
3086 |
3069 |
0.62 |
|
|
|
2 |
A1 |
2170 |
2158 |
31.65 |
|
|
|
3 |
A1 |
1418 |
1410 |
4.35 |
|
|
|
4 |
A1 |
946 |
941 |
13.30 |
|
|
|
5 |
A1 |
879 |
874 |
39.31 |
|
|
|
6 |
A2 |
729 |
725 |
0.00 |
|
|
|
7 |
B1 |
791 |
787 |
58.30 |
|
|
|
8 |
B1 |
371 |
369 |
11.85 |
|
|
|
9 |
B2 |
3176 |
3158 |
1.31 |
|
|
|
10 |
B2 |
2201 |
2189 |
109.54 |
|
|
|
11 |
B2 |
854 |
850 |
67.83 |
|
|
|
12 |
B2 |
473 |
471 |
9.21 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 8547.1 cm
-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 8500.1 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 BLYP/3-21G
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
C |
-0.733 |
|
|
|
2 |
Si |
0.509 |
|
|
|
3 |
H |
0.196 |
|
|
|
4 |
H |
0.196 |
|
|
|
5 |
H |
-0.085 |
|
|
|
6 |
H |
-0.085 |
|
|
|
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 |
0.123 |
0.123 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-22.969 |
0.000 |
0.000 |
y |
0.000 |
-20.815 |
0.000 |
z |
0.000 |
0.000 |
-20.252 |
|
Traceless |
| x | y | z |
x |
-2.436 |
0.000 |
0.000 |
y |
0.000 |
0.796 |
0.000 |
z |
0.000 |
0.000 |
1.640 |
|
Polar |
3z2-r2 | 3.280 |
x2-y2 | -2.154 |
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 |
3.094 |
0.000 |
0.000 |
y |
0.000 |
4.336 |
0.000 |
z |
0.000 |
0.000 |
7.407 |
<r2> (average value of r
2) Å
2
<r2> |
41.070 |
(<r2>)1/2 |
6.409 |