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

using model chemistry: wB97X-D/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 wB97X-D/6-31G(2df,p)
 hartrees
Energy at 0K-205.019870
Energy at 298.15K-205.020924
HF Energy-205.019870
Nuclear repulsion energy65.334697
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 wB97X-D/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 1450 1450 0.49 21.53 0.18 0.31
2 A1 771 771 6.39 0.98 0.74 0.85
3 B2 1787 1787 381.47 5.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2003.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2003.9 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 wB97X-D/6-31G(2df,p)
ABC
8.14964 0.43923 0.41677

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.321
O2 0.000 1.095 -0.140
O3 0.000 -1.095 -0.140

Atom - Atom Distances (Å)
  N1 O2 O3
N11.18831.1883
O21.18832.1907
O31.18832.1907

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 134.363
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.470      
2 O -0.235      
3 O -0.235      


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 0.335 0.335
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.472 0.000 0.000
y 0.000 -17.345 0.000
z 0.000 0.000 -15.125
Traceless
 xyz
x 1.763 0.000 0.000
y 0.000 -2.546 0.000
z 0.000 0.000 0.783
Polar
3z2-r21.567
x2-y22.872
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.365 0.000 0.000
y 0.000 3.633 0.000
z 0.000 0.000 1.594


<r2> (average value of r2) Å2
<r2> 30.003
(<r2>)1/2 5.478