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

using model chemistry: MP2/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 3Σg
2 1 yes D*H 1Σ

State 1 (3Σg)

Jump to S2C1
Energy calculated at MP2/aug-cc-pVTZ
 hartrees
Energy at 0K-795.415929
Energy at 298.15K-795.415849
HF Energy-795.097262
Nuclear repulsion energy70.898678
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 MP2/aug-cc-pVTZ
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 711 677 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 355.3 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 338.5 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 MP2/aug-cc-pVTZ
B
0.28883

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.955
S2 0.000 0.000 -0.955

Atom - Atom Distances (Å)
  S1 S2
S11.9107
S21.9107

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

State 2 (1Σ)

Jump to S1C1
Energy calculated at MP2/aug-cc-pVTZ
 hartrees
Energy at 0K-795.386484
Energy at 298.15K-795.386387
Nuclear repulsion energy70.320820
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 MP2/aug-cc-pVTZ
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 673 642 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 336.7 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 320.9 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 MP2/aug-cc-pVTZ
B
0.28415

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.963
S2 0.000 0.000 -0.963

Atom - Atom Distances (Å)
  S1 S2
S11.9264
S21.9264

picture of Sulfur diatomic state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability