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All results from a given calculation for S2 (Sulfur diatomic)

using model chemistry: MP3=FULL/3-21G

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 MP3=FULL/3-21G
 hartrees
Energy at 0K-791.234238
Energy at 298.15K-791.234062
HF Energy-791.100230
Nuclear repulsion energy64.212266
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 MP3=FULL/3-21G
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 539 539 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 269.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 269.6 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 MP3=FULL/3-21G
B
0.23692

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.055
S2 0.000 0.000 -1.055

Atom - Atom Distances (Å)
  S1 S2
S12.1097
S22.1097

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