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

using model chemistry: B3LYP/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at B3LYP/cc-pVQZ
 hartrees
Energy at 0K-205.173870
Energy at 298.15K-205.174921
HF Energy-205.173870
Nuclear repulsion energy65.216755
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 B3LYP/cc-pVQZ
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 1393 1350 0.21 22.44 0.19 0.32
2 A1 769 745 6.31 1.06 0.74 0.85
3 B2 1695 1642 414.97 6.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1928.7 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 1868.5 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 B3LYP/cc-pVQZ
ABC
8.12745 0.43760 0.41524

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.321
O2 0.000 1.097 -0.140
O3 0.000 -1.097 -0.140

Atom - Atom Distances (Å)
  N1 O2 O3
N11.19051.1905
O21.19052.1948
O31.19052.1948

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 134.384
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.286      
2 O -0.143      
3 O -0.143      


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 0.342 0.342
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.800 0.000 0.000
y 0.000 -17.959 0.000
z 0.000 0.000 -15.542
Traceless
 xyz
x 1.950 0.000 0.000
y 0.000 -2.788 0.000
z 0.000 0.000 0.837
Polar
3z2-r21.675
x2-y23.159
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.500 0.000 0.000
y 0.000 4.023 0.000
z 0.000 0.000 1.803


<r2> (average value of r2) Å2
<r2> 30.361
(<r2>)1/2 5.510