Jump to
S1C2
Vibrational Frequencies calculated at B1B95/3-21G
Geometric Data calculated at B1B95/3-21G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Jump to
S1C1
Energy calculated at B1B95/3-21G
| | hartrees |
| Energy at 0K | -278.547161 |
| Energy at 298.15K | -278.548946 |
| Nuclear repulsion energy | 114.036422 |
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 B1B95/3-21G
| 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 |
1426 |
1364 |
161.61 |
|
|
|
| 2 |
A1 |
928 |
888 |
1.17 |
|
|
|
| 3 |
A1 |
477 |
457 |
8.97 |
|
|
|
| 4 |
B1 |
648 |
620 |
12.49 |
|
|
|
| 5 |
B2 |
571 |
546 |
1.36 |
|
|
|
| 6 |
B2 |
441 |
422 |
51.62 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 2245.3 cm
-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 2148.1 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 B1B95/3-21G
Point Group is C2v
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| N1 |
0.000 |
0.000 |
0.113 |
| O2 |
0.000 |
0.000 |
1.340 |
| O3 |
0.000 |
1.046 |
-0.719 |
| O4 |
0.000 |
-1.046 |
-0.719 |
Atom - Atom Distances (Å)
| |
N1 |
O2 |
O3 |
O4 |
| N1 | | 1.2273 | 1.3360 | 1.3360 |
O2 | 1.2273 | | 2.3092 | 2.3092 | O3 | 1.3360 | 2.3092 | | 2.0912 | O4 | 1.3360 | 2.3092 | 2.0912 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| O2 |
N1 |
O3 |
128.499 |
|
O2 |
N1 |
O4 |
128.499 |
| O3 |
N1 |
O4 |
103.001 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
N |
0.506 |
|
|
|
| 2 |
O |
-0.245 |
|
|
|
| 3 |
O |
-0.130 |
|
|
|
| 4 |
O |
-0.130 |
|
|
|
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 |
0.098 |
0.098 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-19.761 |
0.000 |
0.000 |
| y |
0.000 |
-21.489 |
0.000 |
| z |
0.000 |
0.000 |
-22.921 |
|
| Traceless |
| | x | y | z |
| x |
2.444 |
0.000 |
0.000 |
| y |
0.000 |
-0.148 |
0.000 |
| z |
0.000 |
0.000 |
-2.296 |
|
| Polar |
| 3z2-r2 | -4.593 |
| x2-y2 | 1.728 |
| 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 |
0.630 |
0.000 |
0.000 |
| y |
0.000 |
3.963 |
0.000 |
| z |
0.000 |
0.000 |
3.349 |
<r2> (average value of r
2) Å
2
| <r2> |
53.575 |
| (<r2>)1/2 |
7.320 |