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 N2 (Nitrogen diatomic)

using model chemistry: CID/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at CID/LANL2DZ
 hartrees
Energy at 0K-109.082183
Energy at 298.15K-109.082180
HF Energy-108.874920
Nuclear repulsion energy22.883240
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/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 2309 2133 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 1154.3 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 1066.6 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 CID/LANL2DZ
B
1.87518

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/LANL2DZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.567
N2 0.000 0.000 -0.567

Atom - Atom Distances (Å)
  N1 N2
N11.1331
N21.1331

picture of Nitrogen diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability