Jump to
S1C2
Vibrational Frequencies calculated at B1B95/6-31G(2df,p)
Geometric Data calculated at B1B95/6-31G(2df,p)
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Jump to
S1C1
Energy calculated at B1B95/6-31G(2df,p)
| | hartrees |
| Energy at 0K | -280.169638 |
| Energy at 298.15K | -280.171377 |
| Nuclear repulsion energy | 120.369041 |
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 B1B95/6-31G(2df,p)
| 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 |
1428 |
1367 |
43.02 |
|
|
|
| 2 |
A1 |
1151 |
1102 |
1.01 |
|
|
|
| 3 |
A1 |
193 |
185 |
1.52 |
|
|
|
| 4 |
B1 |
822 |
788 |
13.25 |
|
|
|
| 5 |
B2 |
1061 |
1016 |
13.91 |
|
|
|
| 6 |
B2 |
439 |
421 |
20.58 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 2547.1 cm
-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 2439.4 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 B1B95/6-31G(2df,p)
Point Group is C2v
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| N1 |
0.000 |
0.000 |
0.037 |
| O2 |
0.000 |
0.000 |
1.241 |
| O3 |
0.000 |
1.038 |
-0.637 |
| O4 |
0.000 |
-1.038 |
-0.637 |
Atom - Atom Distances (Å)
| |
N1 |
O2 |
O3 |
O4 |
| N1 | | 1.2038 | 1.2379 | 1.2379 |
O2 | 1.2038 | | 2.1457 | 2.1457 | O3 | 1.2379 | 2.1457 | | 2.0767 | O4 | 1.2379 | 2.1457 | 2.0767 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| O2 |
N1 |
O3 |
122.987 |
|
O2 |
N1 |
O4 |
122.987 |
| O3 |
N1 |
O4 |
114.027 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p)
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
N |
0.905 |
|
|
|
| 2 |
O |
-0.339 |
|
|
|
| 3 |
O |
-0.283 |
|
|
|
| 4 |
O |
-0.283 |
|
|
|
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 |
-0.118 |
0.118 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-19.518 |
0.000 |
0.000 |
| y |
0.000 |
-21.592 |
0.000 |
| z |
0.000 |
0.000 |
-22.137 |
|
| Traceless |
| | x | y | z |
| x |
2.347 |
0.000 |
0.000 |
| y |
0.000 |
-0.765 |
0.000 |
| z |
0.000 |
0.000 |
-1.582 |
|
| Polar |
| 3z2-r2 | -3.164 |
| x2-y2 | 2.074 |
| 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 |
1.663 |
0.000 |
0.000 |
| y |
0.000 |
4.452 |
0.000 |
| z |
0.000 |
0.000 |
3.941 |
<r2> (average value of r
2) Å
2
| <r2> |
49.237 |
| (<r2>)1/2 |
7.017 |