Vibrational Frequencies calculated at PBEPBE/6-31G
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' |
2118 |
2089 |
0.00 |
172.97 |
0.19 |
0.31 |
2 |
A' |
2099 |
2070 |
0.00 |
619.37 |
0.01 |
0.03 |
3 |
A' |
953 |
940 |
0.00 |
33.47 |
0.74 |
0.85 |
4 |
A' |
900 |
888 |
0.00 |
13.85 |
0.74 |
0.85 |
5 |
A' |
602 |
594 |
0.00 |
1.03 |
0.00 |
0.00 |
6 |
A' |
444 |
438 |
0.00 |
24.28 |
0.09 |
0.17 |
7 |
A" |
2100 |
2071 |
510.26 |
0.00 |
0.75 |
0.86 |
8 |
A" |
880 |
868 |
137.15 |
0.00 |
0.75 |
0.86 |
9 |
A" |
676 |
667 |
115.71 |
0.00 |
0.75 |
0.86 |
10 |
A" |
206 |
203 |
3.36 |
0.00 |
0.75 |
0.86 |
11 |
A" |
74i |
73i |
0.05 |
0.00 |
0.75 |
0.86 |
12 |
E' |
2127 |
2098 |
222.17 |
79.69 |
0.75 |
0.86 |
12 |
E' |
2127 |
2098 |
222.20 |
79.70 |
0.75 |
0.86 |
13 |
E' |
2082 |
2053 |
169.57 |
13.64 |
0.75 |
0.86 |
13 |
E' |
2082 |
2053 |
169.58 |
13.64 |
0.75 |
0.86 |
14 |
E' |
942 |
929 |
34.41 |
3.43 |
0.75 |
0.86 |
14 |
E' |
942 |
929 |
34.41 |
3.43 |
0.75 |
0.86 |
15 |
E' |
911 |
898 |
225.38 |
19.36 |
0.75 |
0.86 |
15 |
E' |
911 |
898 |
225.38 |
19.36 |
0.75 |
0.86 |
16 |
E' |
876 |
863 |
458.41 |
41.46 |
0.75 |
0.86 |
16 |
E' |
876 |
863 |
458.44 |
41.44 |
0.75 |
0.86 |
17 |
E' |
640 |
631 |
2.60 |
16.20 |
0.75 |
0.86 |
17 |
E' |
640 |
631 |
2.60 |
16.20 |
0.75 |
0.86 |
18 |
E' |
183 |
181 |
0.17 |
0.23 |
0.75 |
0.86 |
18 |
E' |
183 |
181 |
0.17 |
0.23 |
0.75 |
0.86 |
19 |
E" |
2095 |
2066 |
0.00 |
137.86 |
0.75 |
0.86 |
19 |
E" |
2095 |
2066 |
0.00 |
137.86 |
0.75 |
0.86 |
20 |
E" |
877 |
865 |
0.00 |
39.27 |
0.75 |
0.86 |
20 |
E" |
877 |
865 |
0.00 |
39.26 |
0.75 |
0.86 |
21 |
E" |
631 |
622 |
0.00 |
19.44 |
0.75 |
0.86 |
21 |
E" |
631 |
622 |
0.00 |
19.44 |
0.75 |
0.86 |
22 |
E" |
40 |
39 |
0.00 |
1.19 |
0.75 |
0.86 |
22 |
E" |
40 |
39 |
0.00 |
1.19 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 16854.4 cm
-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 16621.8 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/6-31G
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
N |
-1.129 |
|
|
|
2 |
Si |
0.634 |
|
|
|
3 |
Si |
0.634 |
|
|
|
4 |
Si |
0.634 |
|
|
|
5 |
H |
-0.091 |
|
|
|
6 |
H |
-0.091 |
|
|
|
7 |
H |
-0.091 |
|
|
|
8 |
H |
-0.083 |
|
|
|
9 |
H |
-0.083 |
|
|
|
10 |
H |
-0.083 |
|
|
|
11 |
H |
-0.083 |
|
|
|
12 |
H |
-0.083 |
|
|
|
13 |
H |
-0.083 |
|
|
|
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 |
-50.909 |
0.000 |
0.000 |
y |
0.000 |
-50.909 |
0.000 |
z |
0.000 |
0.000 |
-53.591 |
|
Traceless |
| x | y | z |
x |
1.341 |
0.000 |
0.000 |
y |
0.000 |
1.341 |
0.000 |
z |
0.000 |
0.000 |
-2.682 |
|
Polar |
3z2-r2 | -5.364 |
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 |
12.251 |
-0.000 |
0.000 |
y |
-0.000 |
12.251 |
0.000 |
z |
0.000 |
0.000 |
9.729 |
<r2> (average value of r
2) Å
2
<r2> |
235.918 |
(<r2>)1/2 |
15.360 |