Vibrational Frequencies calculated at PBE1PBE/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' |
2264 |
2152 |
0.00 |
587.12 |
0.00 |
0.00 |
2 |
A' |
2254 |
2142 |
0.00 |
77.38 |
0.74 |
0.85 |
3 |
A' |
1030 |
978 |
0.00 |
16.49 |
0.75 |
0.86 |
4 |
A' |
960 |
913 |
0.00 |
14.58 |
0.75 |
0.86 |
5 |
A' |
653 |
621 |
0.00 |
1.41 |
0.05 |
0.09 |
6 |
A' |
490 |
465 |
0.00 |
13.83 |
0.08 |
0.15 |
7 |
A" |
2255 |
2143 |
503.79 |
0.00 |
0.75 |
0.86 |
8 |
A" |
943 |
896 |
194.42 |
0.00 |
0.75 |
0.86 |
9 |
A" |
737 |
700 |
117.40 |
0.00 |
0.75 |
0.86 |
10 |
A" |
166 |
158 |
1.21 |
0.00 |
0.75 |
0.86 |
11 |
A" |
68 |
65 |
0.01 |
0.00 |
0.75 |
0.86 |
12 |
E' |
2265 |
2152 |
283.14 |
62.20 |
0.75 |
0.86 |
12 |
E' |
2265 |
2152 |
283.19 |
62.20 |
0.75 |
0.86 |
13 |
E' |
2248 |
2136 |
93.43 |
2.37 |
0.75 |
0.86 |
13 |
E' |
2248 |
2136 |
93.44 |
2.37 |
0.75 |
0.86 |
14 |
E' |
1016 |
966 |
137.69 |
2.66 |
0.75 |
0.86 |
14 |
E' |
1016 |
966 |
137.69 |
2.66 |
0.75 |
0.86 |
15 |
E' |
973 |
925 |
295.50 |
5.17 |
0.75 |
0.86 |
15 |
E' |
973 |
925 |
295.51 |
5.17 |
0.75 |
0.86 |
16 |
E' |
946 |
899 |
477.10 |
29.31 |
0.75 |
0.86 |
16 |
E' |
946 |
899 |
477.12 |
29.31 |
0.75 |
0.86 |
17 |
E' |
691 |
656 |
1.41 |
13.79 |
0.75 |
0.86 |
17 |
E' |
691 |
656 |
1.41 |
13.79 |
0.75 |
0.86 |
18 |
E' |
168 |
159 |
0.50 |
0.17 |
0.75 |
0.86 |
18 |
E' |
168 |
159 |
0.50 |
0.17 |
0.75 |
0.86 |
19 |
E" |
2251 |
2139 |
0.00 |
101.91 |
0.75 |
0.86 |
19 |
E" |
2251 |
2139 |
0.00 |
101.90 |
0.75 |
0.86 |
20 |
E" |
938 |
891 |
0.00 |
26.24 |
0.75 |
0.86 |
20 |
E" |
938 |
891 |
0.00 |
26.24 |
0.75 |
0.86 |
21 |
E" |
687 |
653 |
0.00 |
13.64 |
0.75 |
0.86 |
21 |
E" |
687 |
653 |
0.00 |
13.64 |
0.75 |
0.86 |
22 |
E" |
72 |
69 |
0.00 |
0.74 |
0.75 |
0.86 |
22 |
E" |
72 |
69 |
0.00 |
0.74 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 18164.2 cm
-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 17261.4 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 PBE1PBE/6-31G*
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
N |
-0.843 |
|
|
|
2 |
Si |
0.495 |
|
|
|
3 |
Si |
0.495 |
|
|
|
4 |
Si |
0.495 |
|
|
|
5 |
H |
-0.078 |
|
|
|
6 |
H |
-0.078 |
|
|
|
7 |
H |
-0.078 |
|
|
|
8 |
H |
-0.068 |
|
|
|
9 |
H |
-0.068 |
|
|
|
10 |
H |
-0.068 |
|
|
|
11 |
H |
-0.068 |
|
|
|
12 |
H |
-0.068 |
|
|
|
13 |
H |
-0.068 |
|
|
|
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 |
-50.554 |
0.000 |
0.000 |
y |
0.000 |
-50.554 |
0.000 |
z |
0.000 |
0.000 |
-51.974 |
|
Traceless |
| x | y | z |
x |
0.710 |
0.000 |
0.000 |
y |
0.000 |
0.710 |
0.000 |
z |
0.000 |
0.000 |
-1.420 |
|
Polar |
3z2-r2 | -2.839 |
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 |
11.063 |
-0.000 |
0.000 |
y |
-0.000 |
11.063 |
0.000 |
z |
0.000 |
0.000 |
9.086 |
<r2> (average value of r
2) Å
2
<r2> |
223.796 |
(<r2>)1/2 |
14.960 |