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 S2 (Sulfur diatomic)

using model chemistry: CCSD=FULL/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 3Σg
Energy calculated at CCSD=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-795.515544
Energy at 298.15K-795.515479
HF Energy-795.097938
Nuclear repulsion energy71.399950
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=FULL/daug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σg 749 749 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 374.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 374.6 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=FULL/daug-cc-pVTZ
B
0.29293

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/daug-cc-pVTZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.949
S2 0.000 0.000 -0.949

Atom - Atom Distances (Å)
  S1 S2
S11.8973
S21.8973

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