Vibrational Frequencies calculated at B1B95/TZVP
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' |
2237 |
2140 |
0.00 |
746.61 |
0.00 |
0.01 |
2 |
A' |
2226 |
2130 |
0.00 |
95.81 |
0.62 |
0.77 |
3 |
A' |
1010 |
966 |
0.00 |
12.29 |
0.75 |
0.86 |
4 |
A' |
954 |
913 |
0.00 |
9.06 |
0.74 |
0.85 |
5 |
A' |
644 |
616 |
0.00 |
1.40 |
0.17 |
0.30 |
6 |
A' |
487 |
466 |
0.00 |
13.68 |
0.07 |
0.14 |
7 |
A" |
2228 |
2132 |
396.01 |
0.00 |
0.75 |
0.86 |
8 |
A" |
940 |
900 |
172.73 |
0.00 |
0.75 |
0.86 |
9 |
A" |
734 |
702 |
118.67 |
0.00 |
0.75 |
0.86 |
10 |
A" |
162 |
155 |
0.68 |
0.00 |
0.75 |
0.86 |
11 |
A" |
80 |
76 |
0.07 |
0.00 |
0.75 |
0.86 |
12 |
E' |
2236 |
2139 |
234.33 |
73.96 |
0.75 |
0.86 |
12 |
E' |
2236 |
2139 |
234.39 |
73.93 |
0.75 |
0.86 |
13 |
E' |
2222 |
2126 |
71.75 |
0.80 |
0.75 |
0.86 |
13 |
E' |
2222 |
2126 |
71.78 |
0.80 |
0.75 |
0.86 |
14 |
E' |
1014 |
970 |
142.85 |
2.11 |
0.75 |
0.86 |
14 |
E' |
1013 |
970 |
142.86 |
2.11 |
0.75 |
0.86 |
15 |
E' |
966 |
925 |
196.18 |
8.64 |
0.75 |
0.86 |
15 |
E' |
966 |
925 |
196.21 |
8.63 |
0.75 |
0.86 |
16 |
E' |
932 |
892 |
538.06 |
20.56 |
0.75 |
0.86 |
16 |
E' |
932 |
892 |
538.07 |
20.55 |
0.75 |
0.86 |
17 |
E' |
682 |
653 |
0.77 |
13.46 |
0.75 |
0.86 |
17 |
E' |
682 |
653 |
0.77 |
13.45 |
0.75 |
0.86 |
18 |
E' |
156 |
150 |
0.65 |
0.21 |
0.75 |
0.86 |
18 |
E' |
156 |
150 |
0.65 |
0.21 |
0.75 |
0.86 |
19 |
E" |
2225 |
2129 |
0.00 |
133.52 |
0.75 |
0.86 |
19 |
E" |
2225 |
2129 |
0.00 |
133.58 |
0.75 |
0.86 |
20 |
E" |
937 |
897 |
0.00 |
26.46 |
0.75 |
0.86 |
20 |
E" |
937 |
897 |
0.00 |
26.43 |
0.75 |
0.86 |
21 |
E" |
683 |
653 |
0.00 |
15.69 |
0.75 |
0.86 |
21 |
E" |
683 |
653 |
0.00 |
15.68 |
0.75 |
0.86 |
22 |
E" |
78 |
75 |
0.00 |
0.51 |
0.75 |
0.86 |
22 |
E" |
78 |
75 |
0.00 |
0.51 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 17981.8 cm
-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 17206.8 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 B1B95/TZVP
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
N |
-0.587 |
|
|
|
2 |
Si |
0.449 |
|
|
|
3 |
Si |
0.449 |
|
|
|
4 |
Si |
0.449 |
|
|
|
5 |
H |
-0.090 |
|
|
|
6 |
H |
-0.090 |
|
|
|
7 |
H |
-0.090 |
|
|
|
8 |
H |
-0.082 |
|
|
|
9 |
H |
-0.082 |
|
|
|
10 |
H |
-0.082 |
|
|
|
11 |
H |
-0.082 |
|
|
|
12 |
H |
-0.082 |
|
|
|
13 |
H |
-0.082 |
|
|
|
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 |
-51.101 |
0.000 |
0.000 |
y |
0.000 |
-51.101 |
0.000 |
z |
0.000 |
0.000 |
-52.412 |
|
Traceless |
| x | y | z |
x |
0.655 |
0.000 |
0.000 |
y |
0.000 |
0.655 |
0.000 |
z |
0.000 |
0.000 |
-1.310 |
|
Polar |
3z2-r2 | -2.621 |
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 |
12.512 |
-0.001 |
0.000 |
y |
-0.001 |
12.512 |
0.000 |
z |
0.000 |
0.000 |
10.729 |
<r2> (average value of r
2) Å
2
<r2> |
224.223 |
(<r2>)1/2 |
14.974 |