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

using model chemistry: B3LYP/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-205.167132
Energy at 298.15K-205.168181
HF Energy-205.167132
Nuclear repulsion energy65.202747
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/Def2TZVPP
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 1394 1342 0.30 22.47 0.19 0.31
2 A1 768 739 6.87 1.36 0.75 0.86
3 B2 1697 1634 422.82 6.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1929.3 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 1857.1 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 B3LYP/Def2TZVPP
ABC
8.13637 0.43732 0.41502

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.321
O2 0.000 1.098 -0.140
O3 0.000 -1.098 -0.140

Atom - Atom Distances (Å)
  N1 O2 O3
N11.19071.1907
O21.19072.1954
O31.19072.1954

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 134.419
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.358      
2 O -0.179      
3 O -0.179      


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 0.328 0.328
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.815 0.000 0.000
y 0.000 -17.994 0.000
z 0.000 0.000 -15.582
Traceless
 xyz
x 1.973 0.000 0.000
y 0.000 -2.796 0.000
z 0.000 0.000 0.823
Polar
3z2-r21.645
x2-y23.180
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.391 0.000 0.000
y 0.000 3.985 0.000
z 0.000 0.000 1.700


<r2> (average value of r2) Å2
<r2> 30.390
(<r2>)1/2 5.513