Vibrational Frequencies calculated at B3LYP/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' |
2689 |
2400 |
0.00 |
39.29 |
0.57 |
0.73 |
2 |
A' |
2624 |
2341 |
0.00 |
233.84 |
0.00 |
0.01 |
3 |
A' |
1177 |
1050 |
0.00 |
39.65 |
0.70 |
0.82 |
4 |
A' |
1130 |
1009 |
0.00 |
11.40 |
0.74 |
0.85 |
5 |
A' |
737 |
657 |
0.00 |
0.06 |
0.63 |
0.77 |
6 |
A' |
519 |
463 |
0.00 |
10.20 |
0.11 |
0.20 |
7 |
A" |
2657 |
2371 |
132.34 |
0.00 |
0.75 |
0.86 |
8 |
A" |
1111 |
992 |
197.87 |
0.00 |
0.75 |
0.86 |
9 |
A" |
834 |
745 |
246.70 |
0.00 |
0.75 |
0.86 |
10 |
A" |
199 |
178 |
3.18 |
0.00 |
0.75 |
0.86 |
11 |
A" |
69i |
61i |
0.05 |
0.00 |
0.75 |
0.86 |
12 |
E' |
2691 |
2402 |
41.21 |
44.25 |
0.75 |
0.86 |
12 |
E' |
2691 |
2402 |
41.20 |
44.24 |
0.75 |
0.86 |
13 |
E' |
2617 |
2335 |
61.07 |
3.90 |
0.75 |
0.86 |
13 |
E' |
2617 |
2335 |
61.08 |
3.90 |
0.75 |
0.86 |
14 |
E' |
1150 |
1027 |
76.25 |
13.17 |
0.75 |
0.86 |
14 |
E' |
1150 |
1027 |
76.25 |
13.17 |
0.75 |
0.86 |
15 |
E' |
1096 |
978 |
713.94 |
17.91 |
0.75 |
0.86 |
15 |
E' |
1096 |
978 |
713.93 |
17.91 |
0.75 |
0.86 |
16 |
E' |
1090 |
973 |
7.91 |
7.91 |
0.75 |
0.86 |
16 |
E' |
1090 |
973 |
7.91 |
7.91 |
0.75 |
0.86 |
17 |
E' |
774 |
690 |
5.81 |
8.52 |
0.75 |
0.86 |
17 |
E' |
774 |
690 |
5.81 |
8.52 |
0.75 |
0.86 |
18 |
E' |
219 |
196 |
0.69 |
0.34 |
0.75 |
0.86 |
18 |
E' |
219 |
196 |
0.69 |
0.34 |
0.75 |
0.86 |
19 |
E" |
2655 |
2369 |
0.00 |
76.11 |
0.75 |
0.86 |
19 |
E" |
2655 |
2369 |
0.00 |
76.11 |
0.75 |
0.86 |
20 |
E" |
1109 |
990 |
0.00 |
27.78 |
0.75 |
0.86 |
20 |
E" |
1109 |
990 |
0.00 |
27.78 |
0.75 |
0.86 |
21 |
E" |
771 |
688 |
0.00 |
8.19 |
0.75 |
0.86 |
21 |
E" |
771 |
688 |
0.00 |
8.19 |
0.75 |
0.86 |
22 |
E" |
49 |
43 |
0.00 |
0.14 |
0.75 |
0.86 |
22 |
E" |
49 |
43 |
0.00 |
0.14 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 21024.6 cm
-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 18762.4 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 B3LYP/STO-3G
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
N |
-0.727 |
|
|
|
2 |
Si |
0.670 |
|
|
|
3 |
Si |
0.670 |
|
|
|
4 |
Si |
0.670 |
|
|
|
5 |
H |
-0.140 |
|
|
|
6 |
H |
-0.140 |
|
|
|
7 |
H |
-0.140 |
|
|
|
8 |
H |
-0.144 |
|
|
|
9 |
H |
-0.144 |
|
|
|
10 |
H |
-0.144 |
|
|
|
11 |
H |
-0.144 |
|
|
|
12 |
H |
-0.144 |
|
|
|
13 |
H |
-0.144 |
|
|
|
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 |
-46.291 |
0.000 |
0.000 |
y |
0.000 |
-46.291 |
0.000 |
z |
0.000 |
0.000 |
-46.655 |
|
Traceless |
| x | y | z |
x |
0.182 |
0.000 |
0.000 |
y |
0.000 |
0.182 |
0.000 |
z |
0.000 |
0.000 |
-0.363 |
|
Polar |
3z2-r2 | -0.727 |
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 |
5.900 |
-0.000 |
0.000 |
y |
-0.000 |
5.900 |
0.000 |
z |
0.000 |
0.000 |
4.050 |
<r2> (average value of r
2) Å
2
<r2> |
220.154 |
(<r2>)1/2 |
14.838 |