Vibrational Frequencies calculated at B1B95/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 |
A1g |
2228 |
2136 |
0.00 |
|
|
|
2 |
A1g |
913 |
875 |
0.00 |
|
|
|
3 |
A1g |
433 |
415 |
0.00 |
|
|
|
4 |
A1u |
146 |
140 |
0.00 |
|
|
|
5 |
A2u |
2220 |
2128 |
108.76 |
|
|
|
6 |
A2u |
838 |
803 |
482.47 |
|
|
|
7 |
Eg |
2231 |
2139 |
0.00 |
|
|
|
7 |
Eg |
2231 |
2139 |
0.00 |
|
|
|
8 |
Eg |
935 |
896 |
0.00 |
|
|
|
8 |
Eg |
935 |
896 |
0.00 |
|
|
|
9 |
Eg |
627 |
601 |
0.00 |
|
|
|
9 |
Eg |
627 |
601 |
0.00 |
|
|
|
10 |
Eu |
2241 |
2148 |
184.67 |
|
|
|
10 |
Eu |
2241 |
2148 |
184.71 |
|
|
|
11 |
Eu |
948 |
909 |
76.23 |
|
|
|
11 |
Eu |
948 |
909 |
76.24 |
|
|
|
12 |
Eu |
374 |
359 |
19.22 |
|
|
|
12 |
Eu |
374 |
358 |
19.21 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 10746.2 cm
-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 10300.2 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 B1B95/aug-cc-pVTZ
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Si |
0.367 |
|
|
|
2 |
Si |
0.367 |
|
|
|
3 |
H |
-0.122 |
|
|
|
4 |
H |
-0.122 |
|
|
|
5 |
H |
-0.122 |
|
|
|
6 |
H |
-0.122 |
|
|
|
7 |
H |
-0.122 |
|
|
|
8 |
H |
-0.122 |
|
|
|
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 |
-31.120 |
0.000 |
0.000 |
y |
0.000 |
-31.120 |
0.000 |
z |
0.000 |
0.000 |
-31.974 |
|
Traceless |
| x | y | z |
x |
0.427 |
0.000 |
0.000 |
y |
0.000 |
0.427 |
0.000 |
z |
0.000 |
0.000 |
-0.854 |
|
Polar |
3z2-r2 | -1.707 |
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 |
8.353 |
0.000 |
0.000 |
y |
0.000 |
8.353 |
0.000 |
z |
0.000 |
0.000 |
11.143 |
<r2> (average value of r
2) Å
2
<r2> |
86.400 |
(<r2>)1/2 |
9.295 |