Vibrational Frequencies calculated at B2PLYP/STO-3G
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' |
2740 |
2740 |
0.00 |
37.75 |
0.59 |
0.75 |
2 |
A' |
2676 |
2676 |
0.00 |
220.19 |
0.01 |
0.01 |
3 |
A' |
1204 |
1204 |
0.00 |
39.66 |
0.70 |
0.82 |
4 |
A' |
1158 |
1158 |
0.00 |
11.44 |
0.74 |
0.85 |
5 |
A' |
754 |
754 |
0.00 |
0.06 |
0.70 |
0.82 |
6 |
A' |
528 |
528 |
0.00 |
9.72 |
0.11 |
0.20 |
7 |
A" |
2711 |
2711 |
124.73 |
0.00 |
0.75 |
0.86 |
8 |
A" |
1141 |
1141 |
222.07 |
0.00 |
0.75 |
0.86 |
9 |
A" |
854 |
854 |
265.94 |
0.00 |
0.75 |
0.86 |
10 |
A" |
199 |
199 |
3.14 |
0.00 |
0.75 |
0.86 |
11 |
A" |
73i |
73i |
0.08 |
0.00 |
0.75 |
0.86 |
12 |
E' |
2742 |
2742 |
39.65 |
42.83 |
0.75 |
0.86 |
12 |
E' |
2742 |
2742 |
39.65 |
42.83 |
0.75 |
0.86 |
13 |
E' |
2671 |
2671 |
54.28 |
3.04 |
0.75 |
0.86 |
13 |
E' |
2671 |
2671 |
54.28 |
3.03 |
0.75 |
0.86 |
14 |
E' |
1179 |
1179 |
92.51 |
13.32 |
0.75 |
0.86 |
14 |
E' |
1179 |
1179 |
92.51 |
13.32 |
0.75 |
0.86 |
15 |
E' |
1122 |
1122 |
660.00 |
23.09 |
0.75 |
0.86 |
15 |
E' |
1122 |
1122 |
659.98 |
23.09 |
0.75 |
0.86 |
16 |
E' |
1114 |
1114 |
91.92 |
2.65 |
0.75 |
0.86 |
16 |
E' |
1114 |
1114 |
91.92 |
2.65 |
0.75 |
0.86 |
17 |
E' |
791 |
791 |
7.23 |
8.67 |
0.75 |
0.86 |
17 |
E' |
791 |
791 |
7.23 |
8.67 |
0.75 |
0.86 |
18 |
E' |
225 |
225 |
0.82 |
0.30 |
0.75 |
0.86 |
18 |
E' |
225 |
225 |
0.82 |
0.30 |
0.75 |
0.86 |
19 |
E" |
2709 |
2709 |
0.00 |
72.89 |
0.75 |
0.86 |
19 |
E" |
2709 |
2709 |
0.00 |
72.89 |
0.75 |
0.86 |
20 |
E" |
1138 |
1138 |
0.00 |
28.55 |
0.75 |
0.86 |
20 |
E" |
1138 |
1138 |
0.00 |
28.55 |
0.75 |
0.86 |
21 |
E" |
789 |
789 |
0.00 |
8.11 |
0.75 |
0.86 |
21 |
E" |
789 |
789 |
0.00 |
8.11 |
0.75 |
0.86 |
22 |
E" |
48 |
48 |
0.00 |
0.14 |
0.75 |
0.86 |
22 |
E" |
48 |
48 |
0.00 |
0.14 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 21473.2 cm
-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21473.2 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/STO-3G
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
N |
-0.745 |
|
|
|
2 |
Si |
0.708 |
|
|
|
3 |
Si |
0.708 |
|
|
|
4 |
Si |
0.708 |
|
|
|
5 |
H |
-0.150 |
|
|
|
6 |
H |
-0.150 |
|
|
|
7 |
H |
-0.150 |
|
|
|
8 |
H |
-0.154 |
|
|
|
9 |
H |
-0.154 |
|
|
|
10 |
H |
-0.154 |
|
|
|
11 |
H |
-0.154 |
|
|
|
12 |
H |
-0.154 |
|
|
|
13 |
H |
-0.154 |
|
|
|
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 |
-46.546 |
0.000 |
0.000 |
y |
0.000 |
-46.546 |
0.000 |
z |
0.000 |
0.000 |
-46.824 |
|
Traceless |
| x | y | z |
x |
0.139 |
0.000 |
0.000 |
y |
0.000 |
0.139 |
0.000 |
z |
0.000 |
0.000 |
-0.279 |
|
Polar |
3z2-r2 | -0.557 |
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 |
5.723 |
0.000 |
0.000 |
y |
0.000 |
5.723 |
0.000 |
z |
0.000 |
0.000 |
3.966 |
<r2> (average value of r
2) Å
2
<r2> |
219.151 |
(<r2>)1/2 |
14.804 |