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

using model chemistry: LSDA/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 LSDA/6-31G**
 hartrees
Energy at 0K-408.178583
Energy at 298.15K-408.181974
Nuclear repulsion energy237.597471
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 LSDA/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 1470 1442 0.00      
2 Ag 835 819 0.00      
3 Ag 311 305 0.00      
4 Au 104 102 0.00      
5 B1u 1348 1323 358.82      
6 B1u 749 735 190.67      
7 B2g 671 659 0.00      
8 B2u 1906 1870 478.26      
9 B2u 222 217 0.27      
10 B3g 1877 1842 0.00      
11 B3g 505 495 0.00      
12 B3u 417 409 13.06      

Unscaled Zero Point Vibrational Energy (zpe) 5206.8 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 5109.5 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 LSDA/6-31G**
ABC
0.21581 0.12474 0.07905

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.878
N2 0.000 0.000 -0.878
O3 0.000 1.105 1.332
O4 0.000 -1.105 1.332
O5 0.000 1.105 -1.332
O6 0.000 -1.105 -1.332

Atom - Atom Distances (Å)
  N1 N2 O3 O4 O5 O6
N11.75611.19461.19462.47112.4711
N21.75612.47112.47111.19461.1946
O31.19462.47112.20992.66443.4616
O41.19462.47112.20993.46162.6644
O52.47111.19462.66443.46162.2099
O62.47111.19463.46162.66442.2099

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 112.343 N1 N2 O6 112.343
N2 N1 O3 112.343 N2 N1 O4 112.343
O3 N1 O4 135.314 O5 N2 O6 135.314
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.516      
2 N 0.516      
3 O -0.258      
4 O -0.258      
5 O -0.258      
6 O -0.258      


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 -28.937 0.000 0.000
y 0.000 -35.230 0.000
z 0.000 0.000 -33.203
Traceless
 xyz
x 5.279 0.000 0.000
y 0.000 -4.160 0.000
z 0.000 0.000 -1.119
Polar
3z2-r2-2.238
x2-y26.292
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.945 0.000 0.000
y 0.000 6.106 0.000
z 0.000 0.000 5.970


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000