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All results from a given calculation for N2O4 (Dinitrogen tetroxide)

using model chemistry: B97D3/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1Ag
Energy calculated at B97D3/STO-3G
 hartrees
Energy at 0K-404.513401
Energy at 298.15K 
HF Energy-404.513401
Nuclear repulsion energy213.818643
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 B97D3/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 1294 1294 0.00 11.66 0.11 0.21
2 Ag 703 703 0.00 5.19 0.21 0.35
3 Ag 222 222 0.00 14.13 0.34 0.51
4 Au 56 56 0.00 0.00 0.00 0.00
5 B1u 1226 1226 124.51 0.00 0.00 0.00
6 B1u 597 597 94.23 0.00 0.00 0.00
7 B2g 422 422 0.00 0.01 0.75 0.86
8 B2u 1629 1629 41.79 0.00 0.00 0.00
9 B2u 72 72 0.04 0.00 0.00 0.00
10 B3g 1646 1646 0.00 10.50 0.75 0.86
11 B3g 340 340 0.00 6.70 0.75 0.86
12 B3u 251 251 0.16 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4230.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4230.1 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.
Rotational Constants (cm-1) from geometry optimized at B97D3/STO-3G
ABC
0.18618 0.09361 0.06229

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.005
N2 0.000 0.000 -1.005
O3 0.000 1.190 1.540
O4 0.000 -1.190 1.540
O5 0.000 1.190 -1.540
O6 0.000 -1.190 -1.540

Atom - Atom Distances (Å)
  N1 N2 O3 O4 O5 O6
N12.01031.30441.30442.80962.8096
N22.01032.80962.80961.30441.3044
O31.30442.80962.37923.08053.8923
O41.30442.80962.37923.89233.0805
O52.80961.30443.08053.89232.3792
O62.80961.30443.89233.08052.3792

picture of Dinitrogen tetroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 O5 114.219 N1 N2 O6 114.219
N2 N1 O3 114.219 N2 N1 O4 114.219
O3 N1 O4 131.562 O5 N2 O6 131.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.097      
2 N 0.097      
3 O -0.048      
4 O -0.048      
5 O -0.048      
6 O -0.048      


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
 xyz
x -26.226 0.000 0.000
y 0.000 -30.745 0.000
z 0.000 0.000 -28.317
Traceless
 xyz
x 3.305 0.000 0.000
y 0.000 -3.473 0.000
z 0.000 0.000 0.168
Polar
3z2-r20.336
x2-y24.519
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.719 0.000 0.000
y 0.000 4.555 0.000
z 0.000 0.000 6.096


<r2> (average value of r2) Å2
<r2> 153.102
(<r2>)1/2 12.373