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 NaO (sodium monoxide)

using model chemistry: CCSD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Σ
Energy calculated at CCSD/TZVP
 hartrees
Energy at 0K-236.867526
Energy at 298.15K-236.867871
HF Energy-236.690475
Nuclear repulsion energy22.278470
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/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 Σ 474 452 46.23      

Unscaled Zero Point Vibrational Energy (zpe) 236.8 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 226.0 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/TZVP
B
0.40905

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 0.880
O2 0.000 0.000 -1.210

Atom - Atom Distances (Å)
  Na1 O2
Na12.0903
O22.0903

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