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

using model chemistry: BLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-204.995054
Energy at 298.15K-204.996038
HF Energy-204.995054
Nuclear repulsion energy61.916446
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 BLYP/6-31G
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 1175 1166 0.74 14.01 0.19 0.32
2 A1 673 668 7.14 3.74 0.75 0.85
3 B2 1415 1404 173.10 5.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1631.3 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 1618.9 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 BLYP/6-31G
ABC
7.08701 0.39615 0.37518

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.344
O2 0.000 1.153 -0.150
O3 0.000 -1.153 -0.150

Atom - Atom Distances (Å)
  N1 O2 O3
N11.25481.2548
O21.25482.3067
O31.25482.3067

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 133.611
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.348      
2 O -0.174      
3 O -0.174      


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 0.081 0.081
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.789 0.000 0.000
y 0.000 -18.399 0.000
z 0.000 0.000 -15.717
Traceless
 xyz
x 2.268 0.000 0.000
y 0.000 -3.146 0.000
z 0.000 0.000 0.877
Polar
3z2-r21.755
x2-y23.609
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.816 0.000 0.000
y 0.000 3.770 0.000
z 0.000 0.000 1.139


<r2> (average value of r2) Å2
<r2> 32.654
(<r2>)1/2 5.714