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

using model chemistry: PBE1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-204.862476
Energy at 298.15K-204.863527
HF Energy-204.862476
Nuclear repulsion energy65.037282
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 PBE1PBE/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 A1 1456 1388 0.56 20.45 0.18 0.31
2 A1 766 730 8.38 1.63 0.70 0.82
3 B2 1808 1723 363.94 5.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2014.8 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 1920.3 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 PBE1PBE/6-31G**
ABC
8.03901 0.43550 0.41312

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.323
O2 0.000 1.100 -0.141
O3 0.000 -1.100 -0.141

Atom - Atom Distances (Å)
  N1 O2 O3
N11.19391.1939
O21.19392.2000
O31.19392.2000

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 134.258
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.500      
2 O -0.250      
3 O -0.250      


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 0.341 0.341
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.546 0.000 0.000
y 0.000 -17.593 0.000
z 0.000 0.000 -15.224
Traceless
 xyz
x 1.863 0.000 0.000
y 0.000 -2.708 0.000
z 0.000 0.000 0.845
Polar
3z2-r21.691
x2-y23.048
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.051 0.000 0.000
y 0.000 3.540 0.000
z 0.000 0.000 1.331


<r2> (average value of r2) Å2
<r2> 30.270
(<r2>)1/2 5.502