Vibrational Frequencies calculated at B2PLYP/daug-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 |
A' |
3896 |
3896 |
88.87 |
85.89 |
0.17 |
0.29 |
2 |
A' |
2292 |
2292 |
102.43 |
130.86 |
0.17 |
0.29 |
3 |
A' |
2247 |
2247 |
94.16 |
240.16 |
0.05 |
0.09 |
4 |
A' |
1004 |
1004 |
183.00 |
2.14 |
0.74 |
0.85 |
5 |
A' |
986 |
986 |
102.83 |
4.49 |
0.74 |
0.85 |
6 |
A' |
908 |
908 |
27.05 |
6.27 |
0.32 |
0.49 |
7 |
A' |
840 |
840 |
175.75 |
7.34 |
0.18 |
0.31 |
8 |
A' |
690 |
690 |
64.34 |
2.62 |
0.62 |
0.76 |
9 |
A" |
2242 |
2242 |
170.38 |
60.58 |
0.75 |
0.86 |
10 |
A" |
968 |
968 |
76.13 |
5.69 |
0.75 |
0.86 |
11 |
A" |
723 |
723 |
62.57 |
4.42 |
0.75 |
0.86 |
12 |
A" |
194 |
194 |
97.21 |
0.55 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 8495.2 cm
-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8495.2 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/daug-cc-pVTZ
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Si |
1.186 |
|
|
|
2 |
O |
-0.070 |
|
|
|
3 |
H |
-0.344 |
|
|
|
4 |
H |
-0.353 |
|
|
|
5 |
H |
-0.353 |
|
|
|
6 |
H |
-0.066 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
|
x |
y |
z |
Total |
|
-1.284 |
-0.043 |
0.000 |
1.284 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-20.230 |
-2.921 |
0.005 |
y |
-2.921 |
-20.837 |
0.014 |
z |
0.005 |
0.014 |
-22.119 |
|
Traceless |
| x | y | z |
x |
1.247 |
-2.921 |
0.005 |
y |
-2.921 |
0.338 |
0.014 |
z |
0.005 |
0.014 |
-1.585 |
|
Polar |
3z2-r2 | -3.170 |
x2-y2 | 0.606 |
xy | -2.921 |
xz | 0.005 |
yz | 0.014 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
4.910 |
-0.031 |
-0.001 |
y |
-0.031 |
5.037 |
-0.001 |
z |
-0.001 |
-0.001 |
4.856 |
<r2> (average value of r
2) Å
2
<r2> |
39.524 |
(<r2>)1/2 |
6.287 |