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

using model chemistry: MP2/aug-cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-795.319493
Energy at 298.15K-795.319401
HF Energy-795.065634
Nuclear repulsion energy69.793193
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-pVDZ
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 684 655 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 341.7 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 327.7 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-pVDZ
B
0.27990

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.971
S2 0.000 0.000 -0.971

Atom - Atom Distances (Å)
  S1 S2
S11.9410
S21.9410

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/aug-cc-pVDZ
 hartrees
Energy at 0K-795.287792
Energy at 298.15K-795.287681
Nuclear repulsion energy69.162399
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-pVDZ
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 643 617 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 321.7 cm-1
Scaled (by 0.959) 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/aug-cc-pVDZ
B
0.27486

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.979
S2 0.000 0.000 -0.979

Atom - Atom Distances (Å)
  S1 S2
S11.9587
S21.9587

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability