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All results from a given calculation for NO2 (Nitrogen dioxide)

using model chemistry: M06-2X/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at M06-2X/6-31G(2df,p)
 hartrees
Energy at 0K-205.003008
Energy at 298.15K-205.004065
HF Energy-205.003008
Nuclear repulsion energy65.601133
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 M06-2X/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 1481 1411 1.09 22.99 0.19 0.32
2 A1 777 740 7.51 0.75 0.73 0.84
3 B2 1818 1732 457.61 4.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2038.1 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 1941.1 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 M06-2X/6-31G(2df,p)
ABC
8.38884 0.44164 0.41955

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.316
O2 0.000 1.092 -0.138
O3 0.000 -1.092 -0.138

Atom - Atom Distances (Å)
  N1 O2 O3
N11.18301.1830
O21.18302.1847
O31.18302.1847

picture of Nitrogen dioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 O3 134.842
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.508      
2 O -0.254      
3 O -0.254      


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 0.369 0.369
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.565 0.000 0.000
y 0.000 -17.442 0.000
z 0.000 0.000 -15.184
Traceless
 xyz
x 1.748 0.000 0.000
y 0.000 -2.567 0.000
z 0.000 0.000 0.820
Polar
3z2-r21.639
x2-y22.877
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.346 0.000 0.000
y 0.000 3.611 0.000
z 0.000 0.000 1.552


<r2> (average value of r2) Å2
<r2> 29.921
(<r2>)1/2 5.470