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

using model chemistry: CCSD(T)/6-311G*

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 CCSD(T)/6-311G*
 hartrees
Energy at 0K-109.310596
Energy at 298.15K-109.310593
HF Energy-108.966880
Nuclear repulsion energy23.366827
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 CCSD(T)/6-311G*
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 2340 2253 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 1170.0 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 1126.2 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 CCSD(T)/6-311G*
B
1.95641

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G*

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.555
N2 0.000 0.000 -0.555

Atom - Atom Distances (Å)
  N1 N2
N11.1094
N21.1094

picture of Nitrogen diatomic state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

State 2 (3Π)

Jump to S1C1
Energy calculated at CCSD(T)/6-311G*
 hartrees
Energy at 0K-109.042319
Energy at 298.15K 
HF Energy-108.699243
Nuclear repulsion energy21.167221
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 CCSD(T)/6-311G*
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 1740 1675 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 869.8 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 837.2 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 CCSD(T)/6-311G*
B
1.60533

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G*

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.612
N2 0.000 0.000 -0.612

Atom - Atom Distances (Å)
  N1 N2
N11.2247
N21.2247

picture of Nitrogen diatomic state 2 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability