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

using model chemistry: B97D3/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1Ag
Energy calculated at B97D3/6-31G
 hartrees
Energy at 0K-409.815619
Energy at 298.15K 
HF Energy-409.815619
Nuclear repulsion energy226.246101
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 B97D3/6-31G
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 1305 1305 0.00 15.06 0.19 0.32
2 Ag 774 774 0.00 8.53 0.20 0.33
3 Ag 262 262 0.00 28.25 0.31 0.48
4 Au 84 84 0.00 0.00 0.00 0.00
5 B1u 1169 1169 426.58 0.00 0.00 0.00
6 B1u 695 695 221.75 0.00 0.00 0.00
7 B2g 557 557 0.00 0.18 0.75 0.86
8 B2u 1625 1625 360.71 0.00 0.00 0.00
9 B2u 171 171 0.16 0.00 0.00 0.00
10 B3g 1603 1603 0.00 12.32 0.75 0.86
11 B3g 407 407 0.00 10.93 0.75 0.86
12 B3u 364 364 4.67 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4508.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4508.1 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 B97D3/6-31G
ABC
0.20382 0.10683 0.07009

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.962
N2 0.000 0.000 -0.962
O3 0.000 1.137 1.436
O4 0.000 -1.137 1.436
O5 0.000 1.137 -1.436
O6 0.000 -1.137 -1.436

Atom - Atom Distances (Å)
  N1 N2 O3 O4 O5 O6
N11.92381.23181.23182.65362.6536
N21.92382.65362.65361.23181.2318
O31.23182.65362.27402.87153.6629
O41.23182.65362.27403.66292.8715
O52.65361.23182.87153.66292.2740
O62.65361.23183.66292.87152.2740

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 112.625 N1 N2 O6 112.625
N2 N1 O3 112.625 N2 N1 O4 112.625
O3 N1 O4 134.750 O5 N2 O6 134.750
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.389      
2 N 0.389      
3 O -0.195      
4 O -0.195      
5 O -0.195      
6 O -0.195      


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 -29.400 0.000 0.000
y 0.000 -36.923 0.000
z 0.000 0.000 -33.460
Traceless
 xyz
x 5.791 0.000 0.000
y 0.000 -5.492 0.000
z 0.000 0.000 -0.299
Polar
3z2-r2-0.597
x2-y27.522
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.513 0.000 0.000
y 0.000 6.625 0.000
z 0.000 0.000 7.345


<r2> (average value of r2) Å2
<r2> 141.061
(<r2>)1/2 11.877