return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: QCISD(TQ)=FULL/aug-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 QCISD(TQ)=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-204.860343
Energy at 298.15K 
HF Energy-204.113877
Nuclear repulsion energy65.162107
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 QCISD(TQ)=FULL/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(TQ)=FULL/aug-cc-pVTZ
ABC
8.15974 0.43652 0.41436

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)=FULL/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.320
O2 0.000 1.099 -0.140
O3 0.000 -1.099 -0.140

Atom - Atom Distances (Å)
  N1 O2 O3
N11.19131.1913
O21.19132.1974
O31.19132.1974

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 134.515
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability