Vibrational Frequencies calculated at PBEPBE/Def2TZVPP
| 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 |
3048 |
3011 |
26.83 |
|
|
|
| 2 |
A1 |
2971 |
2935 |
3.16 |
|
|
|
| 3 |
A1 |
2116 |
2091 |
145.20 |
|
|
|
| 4 |
A1 |
1422 |
1405 |
9.18 |
|
|
|
| 5 |
A1 |
1242 |
1227 |
5.17 |
|
|
|
| 6 |
A1 |
842 |
832 |
57.38 |
|
|
|
| 7 |
A1 |
604 |
597 |
1.49 |
|
|
|
| 8 |
A1 |
231 |
228 |
0.97 |
|
|
|
| 9 |
A2 |
3053 |
3016 |
0.00 |
|
|
|
| 10 |
A2 |
1400 |
1383 |
0.00 |
|
|
|
| 11 |
A2 |
657 |
649 |
0.00 |
|
|
|
| 12 |
A2 |
135 |
133 |
0.00 |
|
|
|
| 13 |
E |
3054 |
3017 |
15.62 |
|
|
|
| 13 |
E |
3054 |
3017 |
15.62 |
|
|
|
| 14 |
E |
3046 |
3009 |
1.33 |
|
|
|
| 14 |
E |
3046 |
3009 |
1.33 |
|
|
|
| 15 |
E |
2971 |
2935 |
7.06 |
|
|
|
| 15 |
E |
2971 |
2935 |
7.06 |
|
|
|
| 16 |
E |
1414 |
1397 |
2.74 |
|
|
|
| 16 |
E |
1414 |
1397 |
2.74 |
|
|
|
| 17 |
E |
1404 |
1387 |
0.12 |
|
|
|
| 17 |
E |
1404 |
1387 |
0.12 |
|
|
|
| 18 |
E |
1232 |
1217 |
30.45 |
|
|
|
| 18 |
E |
1232 |
1217 |
30.44 |
|
|
|
| 19 |
E |
883 |
872 |
152.28 |
|
|
|
| 19 |
E |
883 |
872 |
152.28 |
|
|
|
| 20 |
E |
823 |
813 |
15.49 |
|
|
|
| 20 |
E |
823 |
813 |
15.50 |
|
|
|
| 21 |
E |
693 |
685 |
11.53 |
|
|
|
| 21 |
E |
693 |
685 |
11.52 |
|
|
|
| 22 |
E |
595 |
588 |
7.76 |
|
|
|
| 22 |
E |
595 |
588 |
7.76 |
|
|
|
| 23 |
E |
198 |
195 |
0.62 |
|
|
|
| 23 |
E |
198 |
195 |
0.62 |
|
|
|
| 24 |
E |
147 |
145 |
0.00 |
|
|
|
| 24 |
E |
147 |
145 |
0.00 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 25318.7 cm
-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 25012.3 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/Def2TZVPP
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
Si |
0.347 |
|
|
|
| 2 |
H |
-0.097 |
|
|
|
| 3 |
C |
-0.374 |
|
|
|
| 4 |
C |
-0.374 |
|
|
|
| 5 |
C |
-0.374 |
|
|
|
| 6 |
H |
0.094 |
|
|
|
| 7 |
H |
0.094 |
|
|
|
| 8 |
H |
0.094 |
|
|
|
| 9 |
H |
0.098 |
|
|
|
| 10 |
H |
0.098 |
|
|
|
| 11 |
H |
0.098 |
|
|
|
| 12 |
H |
0.098 |
|
|
|
| 13 |
H |
0.098 |
|
|
|
| 14 |
H |
0.098 |
|
|
|
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 |
-0.615 |
0.615 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-35.578 |
0.000 |
0.000 |
| y |
0.000 |
-35.578 |
0.000 |
| z |
0.000 |
0.000 |
-36.831 |
|
| Traceless |
| | x | y | z |
| x |
0.627 |
0.000 |
0.000 |
| y |
0.000 |
0.627 |
0.000 |
| z |
0.000 |
0.000 |
-1.253 |
|
| Polar |
| 3z2-r2 | -2.506 |
| 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 |
10.390 |
0.000 |
0.000 |
| y |
0.000 |
10.391 |
0.000 |
| z |
0.000 |
0.000 |
9.059 |
<r2> (average value of r
2) Å
2
| <r2> |
139.197 |
| (<r2>)1/2 |
11.798 |