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

using model chemistry: B97D3/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-410.024163
Energy at 298.15K 
HF Energy-410.024163
Nuclear repulsion energy231.921014
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/cc-pVDZ
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 1434 1422 0.00 13.82 0.25 0.40
2 Ag 826 819 0.00 8.52 0.13 0.23
3 Ag 258 256 0.00 26.61 0.30 0.46
4 Au 91 90 0.00 0.00 0.00 0.00
5 B1u 1282 1272 477.33 0.00 0.00 0.00
6 B1u 736 730 256.76 0.00 0.00 0.00
7 B2g 621 616 0.00 0.13 0.75 0.86
8 B2u 1806 1791 517.90 0.00 0.00 0.00
9 B2u 182 181 0.21 0.00 0.00 0.00
10 B3g 1782 1767 0.00 10.33 0.75 0.86
11 B3g 447 443 0.00 9.80 0.75 0.86
12 B3u 388 384 10.17 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4926.8 cm-1
Scaled (by 0.9915) Zero Point Vibrational Energy (zpe) 4884.9 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/cc-pVDZ
ABC
0.21524 0.11136 0.07339

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.946
N2 0.000 0.000 -0.946
O3 0.000 1.106 1.405
O4 0.000 -1.106 1.405
O5 0.000 1.106 -1.405
O6 0.000 -1.106 -1.405

Atom - Atom Distances (Å)
  N1 N2 O3 O4 O5 O6
N11.89141.19801.19802.59822.5982
N21.89142.59822.59821.19801.1980
O31.19802.59822.21282.81043.5770
O41.19802.59822.21283.57702.8104
O52.59821.19802.81043.57702.2128
O62.59821.19803.57702.81042.2128

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 112.554 N1 N2 O6 112.554
N2 N1 O3 112.554 N2 N1 O4 112.554
O3 N1 O4 134.893 O5 N2 O6 134.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.276      
2 N 0.276      
3 O -0.138      
4 O -0.138      
5 O -0.138      
6 O -0.138      


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 -28.581 0.000 0.000
y 0.000 -35.040 0.000
z 0.000 0.000 -32.701
Traceless
 xyz
x 5.290 0.000 0.000
y 0.000 -4.399 0.000
z 0.000 0.000 -0.891
Polar
3z2-r2-1.782
x2-y26.459
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.704 0.000 0.000
y 0.000 6.185 0.000
z 0.000 0.000 6.887


<r2> (average value of r2) Å2
<r2> 134.932
(<r2>)1/2 11.616