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

using model chemistry: PBEPBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-204.969981
Energy at 298.15K-204.971018
HF Energy-204.969981
Nuclear repulsion energy64.558902
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 PBEPBE/6-311+G(3df,2p)
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 1338 1327 0.01 18.25 0.25 0.41
2 A1 742 736 3.95 1.00 0.43 0.60
3 B2 1661 1648 349.81 4.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1870.5 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 1855.2 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 PBEPBE/6-311+G(3df,2p)
ABC
7.88428 0.42938 0.40720

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.326
O2 0.000 1.108 -0.143
O3 0.000 -1.108 -0.143

Atom - Atom Distances (Å)
  N1 O2 O3
N11.20281.2028
O21.20282.2157
O31.20282.2157

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 134.150
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.606      
2 O -0.303      
3 O -0.303      


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 0.261 0.261
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.048 0.000 0.000
y 0.000 -17.757 0.000
z 0.000 0.000 -15.876
Traceless
 xyz
x 1.768 0.000 0.000
y 0.000 -2.294 0.000
z 0.000 0.000 0.526
Polar
3z2-r21.052
x2-y22.708
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.824 0.000 0.000
y 0.000 4.300 0.000
z 0.000 0.000 2.194


<r2> (average value of r2) Å2
<r2> 30.841
(<r2>)1/2 5.553