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All results from a given calculation for Na2 (Sodium diatomic)

using model chemistry: CCSD(T)/6-31G**

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 CCSD(T)/6-31G**
 hartrees
Energy at 0K-323.707278
Energy at 298.15K 
HF Energy-323.681704
Nuclear repulsion energy20.235723
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)/6-31G**
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 155 147 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 77.3 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 73.3 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)/6-31G**
B
0.14646

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G**

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.582
Na2 0.000 0.000 -1.582

Atom - Atom Distances (Å)
  Na1 Na2
Na13.1644
Na23.1644

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability