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

using model chemistry: B1B95/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-205.036113
Energy at 298.15K-205.037170
HF Energy-205.036113
Nuclear repulsion energy65.325380
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/cc-pVDZ
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 1458 1401 1.08 18.15 0.20 0.34
2 A1 774 744 9.14 1.89 0.73 0.84
3 B2 1804 1734 376.22 5.70 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2017.9 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 1939.6 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/cc-pVDZ
ABC
8.19548 0.43877 0.41647

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.320
O2 0.000 1.096 -0.140
O3 0.000 -1.096 -0.140

Atom - Atom Distances (Å)
  N1 O2 O3
N11.18841.1884
O21.18842.1918
O31.18842.1918

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 134.500
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.299      
2 O -0.150      
3 O -0.150      


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 0.344 0.344
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.366 0.000 0.000
y 0.000 -17.665 0.000
z 0.000 0.000 -15.085
Traceless
 xyz
x 2.009 0.000 0.000
y 0.000 -2.939 0.000
z 0.000 0.000 0.930
Polar
3z2-r21.861
x2-y23.299
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.901 0.000 0.000
y 0.000 3.466 0.000
z 0.000 0.000 1.179


<r2> (average value of r2) Å2
<r2> 30.054
(<r2>)1/2 5.482