return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B97D3/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 B97D3/cc-pVQZ
 hartrees
Energy at 0K-205.071542
Energy at 298.15K-205.072582
HF Energy-205.071542
Nuclear repulsion energy64.748791
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 B97D3/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 1340 1340 0.08 19.93 0.18 0.31
2 A1 752 752 5.17 1.41 0.69 0.82
3 B2 1648 1648 334.23 5.66 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1869.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1869.9 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 B97D3/cc-pVQZ
ABC
7.89233 0.43218 0.40974

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.326
O2 0.000 1.104 -0.143
O3 0.000 -1.104 -0.143

Atom - Atom Distances (Å)
  N1 O2 O3
N11.19941.1994
O21.19942.2085
O31.19942.2085

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 134.037
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.247      
2 O -0.124      
3 O -0.124      


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 0.266 0.266
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.678 0.000 0.000
y 0.000 -17.627 0.000
z 0.000 0.000 -15.432
Traceless
 xyz
x 1.852 0.000 0.000
y 0.000 -2.573 0.000
z 0.000 0.000 0.720
Polar
3z2-r21.441
x2-y22.950
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.524 0.000 0.000
y 0.000 4.040 0.000
z 0.000 0.000 1.833


<r2> (average value of r2) Å2
<r2> 30.516
(<r2>)1/2 5.524