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

using model chemistry: B97D3/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-410.150825
Energy at 298.15K 
HF Energy-410.150825
Nuclear repulsion energy232.288328
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/daug-cc-pVTZ
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 1411 1411 0.00 19.93 0.51 0.68
2 Ag 828 828 0.00 20.83 0.09 0.16
3 Ag 258 258 0.00 37.11 0.26 0.42
4 Au 82 82 0.00 0.00 0.00 0.00
5 B1u 1258 1258 476.43 0.00 0.00 0.00
6 B1u 732 732 288.94 0.00 0.00 0.00
7 B2g 627 627 0.00 0.27 0.75 0.86
8 B2u 1768 1768 628.31 0.00 0.00 0.00
9 B2u 189 189 0.03 0.00 0.00 0.00
10 B3g 1740 1740 0.00 21.85 0.75 0.86
11 B3g 444 444 0.00 8.13 0.75 0.86
12 B3u 393 393 10.44 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4864.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4864.9 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/daug-cc-pVTZ
ABC
0.21767 0.11045 0.07327

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.952
N2 0.000 0.000 -0.952
O3 0.000 1.100 1.410
O4 0.000 -1.100 1.410
O5 0.000 1.100 -1.410
O6 0.000 -1.100 -1.410

Atom - Atom Distances (Å)
  N1 N2 O3 O4 O5 O6
N11.90381.19191.19192.60592.6059
N21.90382.60592.60591.19191.1919
O31.19192.60592.20052.82063.5774
O41.19192.60592.20053.57742.8206
O52.60591.19192.82063.57742.2005
O62.60591.19193.57742.82062.2005

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 112.620 N1 N2 O6 112.620
N2 N1 O3 112.620 N2 N1 O4 112.620
O3 N1 O4 134.759 O5 N2 O6 134.759
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 1.927      
2 N 1.927      
3 O -0.963      
4 O -0.963      
5 O -0.963      
6 O -0.963      


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 -29.366 0.000 0.000
y 0.000 -35.536 0.000
z 0.000 0.000 -33.841
Traceless
 xyz
x 5.322 0.000 0.000
y 0.000 -3.933 0.000
z 0.000 0.000 -1.389
Polar
3z2-r2-2.779
x2-y26.170
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.384 0.000 0.000
y 0.000 7.396 0.000
z 0.000 0.000 9.342


<r2> (average value of r2) Å2
<r2> 135.626
(<r2>)1/2 11.646