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

using model chemistry: CISD/cc-pCVDZ

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 CISD/cc-pCVDZ
 hartrees
Energy at 0K-323.731736
Energy at 298.15K 
HF Energy-323.705272
Nuclear repulsion energy20.080422
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 CISD/cc-pCVDZ
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 151 151 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 75.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 75.5 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 CISD/cc-pCVDZ
B
0.14423

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/cc-pCVDZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.594
Na2 0.000 0.000 -1.594

Atom - Atom Distances (Å)
  Na1 Na2
Na13.1887
Na23.1887

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