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

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1Ag
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-410.137974
Energy at 298.15K 
HF Energy-410.137974
Nuclear repulsion energy232.522896
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 B97D3/6-311+G(3df,2p)
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 1419 1401 0.00 19.24 0.52 0.68
2 Ag 827 817 0.00 19.59 0.09 0.17
3 Ag 254 251 0.00 36.16 0.27 0.42
4 Au 82 81 0.00 0.00 0.00 0.00
5 B1u 1266 1249 477.98 0.00 0.00 0.00
6 B1u 730 721 291.54 0.00 0.00 0.00
7 B2g 629 621 0.00 0.13 0.75 0.86
8 B2u 1783 1760 626.76 0.00 0.00 0.00
9 B2u 182 180 0.03 0.00 0.00 0.00
10 B3g 1749 1727 0.00 21.70 0.75 0.86
11 B3g 435 429 0.00 8.19 0.75 0.86
12 B3u 395 390 9.87 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4875.9 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 4812.5 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 B97D3/6-311+G(3df,2p)
ABC
0.21796 0.11074 0.07343

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.951
N2 0.000 0.000 -0.951
O3 0.000 1.099 1.408
O4 0.000 -1.099 1.408
O5 0.000 1.099 -1.408
O6 0.000 -1.099 -1.408

Atom - Atom Distances (Å)
  N1 N2 O3 O4 O5 O6
N11.90211.19081.19082.60302.6030
N21.90212.60302.60301.19081.1908
O31.19082.60302.19902.81663.5733
O41.19082.60302.19903.57332.8166
O52.60301.19082.81663.57332.1990
O62.60301.19083.57332.81662.1990

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 112.581 N1 N2 O6 112.581
N2 N1 O3 112.581 N2 N1 O4 112.581
O3 N1 O4 134.838 O5 N2 O6 134.838
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.633      
2 N 0.633      
3 O -0.317      
4 O -0.317      
5 O -0.317      
6 O -0.317      


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 -29.461 0.000 0.000
y 0.000 -35.403 0.000
z 0.000 0.000 -33.860
Traceless
 xyz
x 5.170 0.000 0.000
y 0.000 -3.742 0.000
z 0.000 0.000 -1.428
Polar
3z2-r2-2.856
x2-y25.941
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.232 0.000 0.000
y 0.000 7.276 0.000
z 0.000 0.000 9.188


<r2> (average value of r2) Å2
<r2> 135.367
(<r2>)1/2 11.635