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 N2O (Nitrous oxide)

using model chemistry: CID/aug-cc-pCVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at CID/aug-cc-pCVTZ
 hartrees
Energy at 0K-184.317991
Energy at 298.15K 
HF Energy-183.757931
Nuclear repulsion energy61.776393
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 CID/aug-cc-pCVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 2470 2470 507.33      
2 Σ 1393 1393 121.07      
3 Π 666 666 7.85      
3 Π 666 666 7.85      

Unscaled Zero Point Vibrational Energy (zpe) 2597.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2597.0 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 CID/aug-cc-pCVTZ
B
0.43433

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/aug-cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.179
N2 0.000 0.000 -0.075
O3 0.000 0.000 1.098

Atom - Atom Distances (Å)
  N1 N2 O3
N11.10382.2766
N21.10381.1728
O32.27661.1728

picture of Nitrous oxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability