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All results from a given calculation for CH3SSCH3 (Disulfide, dimethyl)

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-874.808177
Energy at 298.15K 
HF Energy-874.258897
Nuclear repulsion energy222.250373
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 MP2/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP2/6-31+G**
ABC
0.26727 0.09421 0.08563

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.450 0.925 -0.507
S2 0.450 -0.925 -0.507
C3 0.450 1.778 0.814
C4 -0.450 -1.778 0.814
H5 0.060 2.795 0.850
H6 0.282 1.307 1.781
H7 1.515 1.810 0.599
H8 -0.060 -2.795 0.850
H9 -0.282 -1.307 1.781
H10 -1.515 -1.810 0.599

Atom - Atom Distances (Å)
  S1 S2 C3 C4 H5 H6 H7 H8 H9 H10
S12.05661.81203.00852.36642.43232.42233.97883.20063.1366
S22.05663.00851.81203.97883.20063.13662.36642.43232.4223
C31.81203.00853.66821.08971.08791.08734.60183.31514.0969
C43.00851.81203.66824.60183.31514.09691.08971.08791.0873
H52.36643.97881.08974.60181.76921.77455.59184.22084.8741
H62.43233.20061.08793.31511.76921.78034.22082.67493.7879
H72.42233.13661.08734.09691.77451.78034.87413.78794.7214
H83.97882.36644.60181.08975.59184.22084.87411.76921.7745
H93.20062.43233.31511.08794.22082.67493.78791.76921.7803
H103.13662.42234.09691.08734.87413.78794.72141.77451.7803

picture of Disulfide, dimethyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 C4 101.910 S1 C3 H5 106.609
S1 C3 H6 111.567 S1 C3 H7 110.838
S2 S1 C3 101.910 S2 C4 H8 106.609
S2 C4 H9 111.567 S2 C4 H10 110.838
H5 C3 H6 108.670 H5 C3 H7 109.195
H6 C3 H7 109.863 H8 C4 H9 108.670
H8 C4 H10 109.195 H9 C4 H10 109.863
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability