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

using model chemistry: MP2=FULL/6-31G**

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=FULL/6-31G**
 hartrees
Energy at 0K-795.262813
Energy at 298.15K-795.262726
HF Energy-795.015398
Nuclear repulsion energy70.552255
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=FULL/6-31G**
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 699 653 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 349.4 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 326.5 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=FULL/6-31G**
B
0.28602

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.960
S2 0.000 0.000 -0.960

Atom - Atom Distances (Å)
  S1 S2
S11.9201
S21.9201

picture of Sulfur diatomic state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

State 2 (1Σ)

Jump to S1C1
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-795.229569
Energy at 298.15K-795.229463
Nuclear repulsion energy69.920344
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=FULL/6-31G**
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 660 617 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 330.1 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 308.5 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=FULL/6-31G**
B
0.28092

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.969
S2 0.000 0.000 -0.969

Atom - Atom Distances (Å)
  S1 S2
S11.9375
S21.9375

picture of Sulfur diatomic state 2 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability