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S1C2
Vibrational Frequencies calculated at B1B95/STO-3G
Geometric Data calculated at B1B95/STO-3G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
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S1C1
Energy calculated at B1B95/STO-3G
| | hartrees |
| Energy at 0K | -276.334494 |
| Energy at 298.15K | -276.336005 |
| Nuclear repulsion energy | 110.263015 |
The energy at 298.15K was derived from the energy at 0K
and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B1B95/STO-3G
| Mode Number |
Symmetry |
Frequency (cm-1) |
Scaled Frequency (cm-1) |
IR Intensities (km mol-1) |
Raman Act (Å4/u) |
Dep P |
Dep U |
| 1 |
A1 |
1662 |
1468 |
43.61 |
|
|
|
| 2 |
A1 |
1028 |
908 |
0.01 |
|
|
|
| 3 |
A1 |
426 |
376 |
3.51 |
|
|
|
| 4 |
B1 |
488 |
431 |
3.54 |
|
|
|
| 5 |
B2 |
556 |
491 |
113.18 |
|
|
|
| 6 |
B2 |
488 |
431 |
2.03 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 2324.4 cm
-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 2052.4 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.
Geometric Data calculated at B1B95/STO-3G
Point Group is C2v
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| N1 |
0.000 |
0.000 |
0.126 |
| O2 |
0.000 |
0.000 |
1.417 |
| O3 |
0.000 |
1.047 |
-0.764 |
| O4 |
0.000 |
-1.047 |
-0.764 |
Atom - Atom Distances (Å)
| |
N1 |
O2 |
O3 |
O4 |
| N1 | | 1.2911 | 1.3740 | 1.3740 |
O2 | 1.2911 | | 2.4190 | 2.4190 | O3 | 1.3740 | 2.4190 | | 2.0941 | O4 | 1.3740 | 2.4190 | 2.0941 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| O2 |
N1 |
O3 |
130.353 |
|
O2 |
N1 |
O4 |
130.353 |
| O3 |
N1 |
O4 |
99.293 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
N |
0.159 |
|
|
|
| 2 |
O |
-0.081 |
|
|
|
| 3 |
O |
-0.039 |
|
|
|
| 4 |
O |
-0.039 |
|
|
|
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 |
-0.048 |
0.048 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-17.711 |
0.000 |
0.000 |
| y |
0.000 |
-18.945 |
0.000 |
| z |
0.000 |
0.000 |
-20.259 |
|
| Traceless |
| | x | y | z |
| x |
1.891 |
0.000 |
0.000 |
| y |
0.000 |
0.040 |
0.000 |
| z |
0.000 |
0.000 |
-1.931 |
|
| Polar |
| 3z2-r2 | -3.862 |
| x2-y2 | 1.234 |
| 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 |
0.367 |
0.000 |
0.000 |
| y |
0.000 |
2.808 |
0.000 |
| z |
0.000 |
0.000 |
2.635 |
<r2> (average value of r
2) Å
2
| <r2> |
54.896 |
| (<r2>)1/2 |
7.409 |