Vibrational Frequencies calculated at B2PLYP/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 |
A' |
2256 |
2168 |
0.02 |
872.07 |
0.00 |
0.00 |
2 |
A' |
2244 |
2156 |
0.00 |
69.27 |
0.75 |
0.86 |
3 |
A' |
1034 |
993 |
0.00 |
1.93 |
0.73 |
0.84 |
4 |
A' |
977 |
938 |
0.00 |
5.19 |
0.75 |
0.86 |
5 |
A' |
659 |
634 |
0.00 |
0.34 |
0.21 |
0.35 |
6 |
A' |
484 |
465 |
0.00 |
20.49 |
0.05 |
0.09 |
7 |
A" |
2246 |
2158 |
386.37 |
0.00 |
0.75 |
0.86 |
8 |
A" |
962 |
924 |
176.92 |
0.00 |
0.75 |
0.86 |
9 |
A" |
747 |
717 |
108.24 |
0.00 |
0.75 |
0.86 |
10 |
A" |
171 |
164 |
0.37 |
0.00 |
0.75 |
0.86 |
11 |
A" |
98 |
94 |
0.26 |
0.00 |
0.75 |
0.86 |
12 |
E' |
2254 |
2166 |
239.33 |
59.88 |
0.75 |
0.86 |
12 |
E' |
2254 |
2166 |
239.63 |
59.83 |
0.75 |
0.86 |
13 |
E' |
2242 |
2155 |
59.96 |
4.32 |
0.75 |
0.86 |
13 |
E' |
2242 |
2154 |
60.26 |
4.23 |
0.75 |
0.86 |
14 |
E' |
1014 |
974 |
54.20 |
2.77 |
0.75 |
0.86 |
14 |
E' |
1014 |
974 |
54.51 |
2.76 |
0.75 |
0.86 |
15 |
E' |
985 |
946 |
186.57 |
5.30 |
0.75 |
0.86 |
15 |
E' |
985 |
946 |
186.09 |
5.32 |
0.75 |
0.86 |
16 |
E' |
954 |
917 |
620.05 |
5.20 |
0.75 |
0.86 |
16 |
E' |
954 |
917 |
620.18 |
5.15 |
0.75 |
0.86 |
17 |
E' |
696 |
669 |
1.65 |
4.96 |
0.75 |
0.86 |
17 |
E' |
696 |
669 |
1.65 |
4.99 |
0.75 |
0.86 |
18 |
E' |
177 |
170 |
0.51 |
0.17 |
0.75 |
0.86 |
18 |
E' |
177 |
170 |
0.51 |
0.18 |
0.75 |
0.86 |
19 |
E" |
2243 |
2155 |
0.00 |
117.38 |
0.75 |
0.86 |
19 |
E" |
2243 |
2155 |
0.00 |
116.97 |
0.75 |
0.86 |
20 |
E" |
959 |
921 |
0.00 |
9.28 |
0.75 |
0.86 |
20 |
E" |
959 |
921 |
0.00 |
9.29 |
0.75 |
0.86 |
21 |
E" |
696 |
669 |
0.00 |
4.07 |
0.75 |
0.86 |
21 |
E" |
696 |
669 |
0.00 |
4.10 |
0.75 |
0.86 |
22 |
E" |
80 |
77 |
0.00 |
0.11 |
0.75 |
0.86 |
22 |
E" |
79 |
76 |
0.00 |
0.11 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 18236.2 cm
-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 17525.0 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/aug-cc-pVTZ
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
N |
0.090 |
|
|
|
2 |
Si |
0.830 |
|
|
|
3 |
Si |
0.830 |
|
|
|
4 |
Si |
0.830 |
|
|
|
5 |
H |
-0.360 |
|
|
|
6 |
H |
-0.360 |
|
|
|
7 |
H |
-0.360 |
|
|
|
8 |
H |
-0.250 |
|
|
|
9 |
H |
-0.250 |
|
|
|
10 |
H |
-0.250 |
|
|
|
11 |
H |
-0.250 |
|
|
|
12 |
H |
-0.250 |
|
|
|
13 |
H |
-0.250 |
|
|
|
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 |
-51.933 |
0.000 |
0.000 |
y |
0.000 |
-51.933 |
0.000 |
z |
0.000 |
0.000 |
-52.882 |
|
Traceless |
| x | y | z |
x |
0.474 |
0.000 |
0.000 |
y |
0.000 |
0.474 |
0.000 |
z |
0.000 |
0.000 |
-0.948 |
|
Polar |
3z2-r2 | -1.897 |
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 |
13.724 |
0.000 |
0.000 |
y |
0.000 |
13.724 |
0.000 |
z |
0.000 |
0.000 |
11.453 |
<r2> (average value of r
2) Å
2
<r2> |
224.196 |
(<r2>)1/2 |
14.973 |