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

using model chemistry: B3LYPultrafine/daug-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 B3LYPultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-410.248108
Energy at 298.15K 
HF Energy-410.248108
Nuclear repulsion energy236.157421
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 B3LYPultrafine/daug-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 1448 1448 0.00 25.13 0.62 0.76
2 Ag 839 839 0.00 27.27 0.12 0.22
3 Ag 293 293 0.00 43.66 0.28 0.44
4 Au 86 86 0.00 0.00 0.00 0.00
5 B1u 1311 1311 462.69 0.00 0.00 0.00
6 B1u 750 750 256.16 0.00 0.00 0.00
7 B2g 700 700 0.00 0.34 0.75 0.86
8 B2u 1826 1826 705.82 0.00 0.00 0.00
9 B2u 222 222 0.02 0.00 0.00 0.00
10 B3g 1794 1794 0.00 13.44 0.75 0.86
11 B3g 490 490 0.00 8.35 0.75 0.86
12 B3u 442 442 15.70 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 5100.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5100.4 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 B3LYPultrafine/daug-cc-pVDZ
ABC
0.21776 0.11989 0.07732

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/daug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.897
N2 0.000 0.000 -0.897
O3 0.000 1.100 1.358
O4 0.000 -1.100 1.358
O5 0.000 1.100 -1.358
O6 0.000 -1.100 -1.358

Atom - Atom Distances (Å)
  N1 N2 O3 O4 O5 O6
N11.79451.19281.19282.50962.5096
N21.79452.50962.50961.19281.1928
O31.19282.50962.20002.71693.4959
O41.19282.50962.20003.49592.7169
O52.50961.19282.71693.49592.2000
O62.50961.19283.49592.71692.2000

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 112.748 N1 N2 O6 112.748
N2 N1 O3 112.748 N2 N1 O4 112.748
O3 N1 O4 134.504 O5 N2 O6 134.504
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 1.485      
2 N 1.485      
3 O -0.742      
4 O -0.742      
5 O -0.742      
6 O -0.742      


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 -29.660 0.000 0.000
y 0.000 -36.198 0.000
z 0.000 0.000 -34.711
Traceless
 xyz
x 5.794 0.000 0.000
y 0.000 -4.013 0.000
z 0.000 0.000 -1.782
Polar
3z2-r2-3.563
x2-y26.538
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.299 0.000 0.000
y 0.000 7.293 0.000
z 0.000 0.000 8.386


<r2> (average value of r2) Å2
<r2> 129.979
(<r2>)1/2 11.401