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All results from a given calculation for N2 (Nitrogen diatomic)

using model chemistry: CCD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
2 1 yes D*H 3Π

State 1 (1Σg)

Jump to S2C1
Energy calculated at CCD/TZVP
 hartrees
Energy at 0K-109.302751
Energy at 298.15K-109.302748
HF Energy-108.979483
Nuclear repulsion energy23.646989
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 CCD/TZVP
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 2420 2294 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 1209.7 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 1146.8 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 CCD/TZVP
B
2.00244

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.548
N2 0.000 0.000 -0.548

Atom - Atom Distances (Å)
  N1 N2
N11.0965
N21.0965

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

State 2 (3Π)

Jump to S1C1
Energy calculated at CCD/TZVP
 hartrees
Energy at 0K-109.025896
Energy at 298.15K 
HF Energy-108.708664
Nuclear repulsion energy21.461889
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 CCD/TZVP
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 1809 1715 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 904.7 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 857.7 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 CCD/TZVP
B
1.64947

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.604
N2 0.000 0.000 -0.604

Atom - Atom Distances (Å)
  N1 N2
N11.2082
N21.2082

picture of Nitrogen diatomic state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability