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

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-204.119512
Energy at 298.15K-204.120595
HF Energy-204.119512
Nuclear repulsion energy67.123142
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 HF/daug-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 1593 1441 2.51 43.11 0.17 0.30
2 A1 849 768 10.19 1.15 0.19 0.31
3 B2 1845 1669 896.73 8.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2143.8 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 1939.3 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 HF/daug-cc-pVTZ
ABC
9.45732 0.45821 0.43704

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.298
O2 0.000 1.072 -0.130
O3 0.000 -1.072 -0.130

Atom - Atom Distances (Å)
  N1 O2 O3
N11.15461.1546
O21.15462.1448
O31.15462.1448

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 136.504
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.993      
2 O -0.496      
3 O -0.496      


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 0.621 0.621
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.754 0.000 0.000
y 0.000 -18.374 0.000
z 0.000 0.000 -15.361
Traceless
 xyz
x 2.114 0.000 0.000
y 0.000 -3.317 0.000
z 0.000 0.000 1.203
Polar
3z2-r22.406
x2-y23.620
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.686 0.000 0.000
y 0.000 3.971 0.000
z 0.000 0.000 1.981


<r2> (average value of r2) Å2
<r2> 29.387
(<r2>)1/2 5.421