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

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-205.030605
Energy at 298.15K-205.031658
HF Energy-205.030605
Nuclear repulsion energy65.435943
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 B1B95/6-31G(2df,p)
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 1449 1387 0.48 20.47 0.18 0.30
2 A1 770 738 6.47 0.98 0.75 0.86
3 B2 1800 1724 373.26 4.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2009.4 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 1924.4 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 B1B95/6-31G(2df,p)
ABC
8.28773 0.43982 0.41765

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.318
O2 0.000 1.095 -0.139
O3 0.000 -1.095 -0.139

Atom - Atom Distances (Å)
  N1 O2 O3
N11.18621.1862
O21.18622.1892
O31.18622.1892

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 134.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.481      
2 O -0.240      
3 O -0.240      


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 0.321 0.321
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.447 0.000 0.000
y 0.000 -17.287 0.000
z 0.000 0.000 -15.102
Traceless
 xyz
x 1.747 0.000 0.000
y 0.000 -2.513 0.000
z 0.000 0.000 0.765
Polar
3z2-r21.531
x2-y22.840
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.352 0.000 0.000
y 0.000 3.580 0.000
z 0.000 0.000 1.570


<r2> (average value of r2) Å2
<r2> 29.939
(<r2>)1/2 5.472