Vibrational Frequencies calculated at B1B95/6-311G*
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' |
2249 |
2156 |
0.00 |
713.26 |
0.00 |
0.01 |
2 |
A' |
2233 |
2141 |
0.00 |
95.52 |
0.67 |
0.80 |
3 |
A' |
1029 |
987 |
0.00 |
17.30 |
0.73 |
0.85 |
4 |
A' |
961 |
921 |
0.00 |
12.27 |
0.73 |
0.84 |
5 |
A' |
651 |
624 |
0.00 |
0.94 |
0.06 |
0.12 |
6 |
A' |
492 |
472 |
0.00 |
13.57 |
0.09 |
0.16 |
7 |
A" |
2237 |
2145 |
413.15 |
0.00 |
0.75 |
0.86 |
8 |
A" |
946 |
907 |
203.75 |
0.00 |
0.75 |
0.86 |
9 |
A" |
746 |
715 |
128.48 |
0.00 |
0.75 |
0.86 |
10 |
A" |
177 |
170 |
0.76 |
0.00 |
0.75 |
0.86 |
11 |
A" |
84 |
80 |
0.13 |
0.00 |
0.75 |
0.86 |
12 |
E' |
2244 |
2151 |
266.44 |
73.22 |
0.75 |
0.86 |
12 |
E' |
2244 |
2151 |
266.52 |
73.22 |
0.75 |
0.86 |
13 |
E' |
2234 |
2141 |
47.91 |
1.62 |
0.75 |
0.86 |
13 |
E' |
2234 |
2141 |
47.89 |
1.62 |
0.75 |
0.86 |
14 |
E' |
1017 |
975 |
120.35 |
2.95 |
0.75 |
0.86 |
14 |
E' |
1017 |
975 |
120.31 |
2.95 |
0.75 |
0.86 |
15 |
E' |
974 |
934 |
297.16 |
7.42 |
0.75 |
0.86 |
15 |
E' |
974 |
934 |
297.15 |
7.41 |
0.75 |
0.86 |
16 |
E' |
945 |
906 |
529.66 |
29.89 |
0.75 |
0.86 |
16 |
E' |
945 |
906 |
529.77 |
29.88 |
0.75 |
0.86 |
17 |
E' |
689 |
660 |
0.86 |
14.18 |
0.75 |
0.86 |
17 |
E' |
689 |
660 |
0.86 |
14.16 |
0.75 |
0.86 |
18 |
E' |
161 |
154 |
0.58 |
0.30 |
0.75 |
0.86 |
18 |
E' |
161 |
154 |
0.58 |
0.30 |
0.75 |
0.86 |
19 |
E" |
2234 |
2141 |
0.00 |
134.48 |
0.75 |
0.86 |
19 |
E" |
2234 |
2141 |
0.00 |
134.44 |
0.75 |
0.86 |
20 |
E" |
941 |
902 |
0.00 |
30.16 |
0.75 |
0.86 |
20 |
E" |
941 |
902 |
0.00 |
30.21 |
0.75 |
0.86 |
21 |
E" |
689 |
661 |
0.00 |
16.55 |
0.75 |
0.86 |
21 |
E" |
689 |
661 |
0.00 |
16.53 |
0.75 |
0.86 |
22 |
E" |
77 |
73 |
0.00 |
0.50 |
0.75 |
0.86 |
22 |
E" |
77 |
73 |
0.00 |
0.51 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 18105.2 cm
-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 17355.7 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 B1B95/6-311G*
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
N |
-1.073 |
|
|
|
2 |
Si |
0.582 |
|
|
|
3 |
Si |
0.582 |
|
|
|
4 |
Si |
0.582 |
|
|
|
5 |
H |
-0.081 |
|
|
|
6 |
H |
-0.081 |
|
|
|
7 |
H |
-0.081 |
|
|
|
8 |
H |
-0.072 |
|
|
|
9 |
H |
-0.072 |
|
|
|
10 |
H |
-0.072 |
|
|
|
11 |
H |
-0.072 |
|
|
|
12 |
H |
-0.072 |
|
|
|
13 |
H |
-0.072 |
|
|
|
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 |
-51.088 |
0.000 |
0.000 |
y |
0.000 |
-51.088 |
0.000 |
z |
0.000 |
0.000 |
-52.530 |
|
Traceless |
| x | y | z |
x |
0.721 |
0.000 |
0.000 |
y |
0.000 |
0.721 |
0.000 |
z |
0.000 |
0.000 |
-1.442 |
|
Polar |
3z2-r2 | -2.883 |
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 |
11.870 |
-0.001 |
0.000 |
y |
-0.001 |
11.870 |
0.000 |
z |
0.000 |
0.000 |
10.234 |
<r2> (average value of r
2) Å
2
<r2> |
222.813 |
(<r2>)1/2 |
14.927 |