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

using model chemistry: HSEh1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-204.961309
Energy at 298.15K-204.962367
HF Energy-204.961309
Nuclear repulsion energy65.557018
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 HSEh1PBE/cc-pVTZ
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 1439 1383 0.61 21.27 0.20 0.33
2 A1 781 751 7.39 1.37 0.75 0.86
3 B2 1780 1710 427.00 6.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2000.0 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 1922.2 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 HSEh1PBE/cc-pVTZ
ABC
8.35465 0.44120 0.41907

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.317
O2 0.000 1.093 -0.139
O3 0.000 -1.093 -0.139

Atom - Atom Distances (Å)
  N1 O2 O3
N11.18391.1839
O21.18392.1858
O31.18392.1858

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 134.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.291      
2 O -0.145      
3 O -0.145      


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 -14.616 0.000 0.000
y 0.000 -17.775 0.000
z 0.000 0.000 -15.345
Traceless
 xyz
x 1.944 0.000 0.000
y 0.000 -2.794 0.000
z 0.000 0.000 0.850
Polar
3z2-r21.700
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 1.255 0.000 0.000
y 0.000 3.776 0.000
z 0.000 0.000 1.537


<r2> (average value of r2) Å2
<r2> 30.057
(<r2>)1/2 5.482