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All results from a given calculation for CH2SHCH2SH (1,2-Ethanedithiol)

using model chemistry: MP2/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-34.526141
Energy at 298.15K-34.519048
HF Energy-34.234239
Nuclear repulsion energy64.098903
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/CEP-121G
Rotational Constants (cm-1) from geometry optimized at MP2/CEP-121G
ABC
0.79785 0.04710 0.04525

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.774 0.000
C2 0.000 -0.774 0.000
S3 1.833 -1.353 0.000
S4 -1.833 1.353 0.000
H5 1.558 -2.715 0.000
H6 -1.558 2.715 0.000
H7 -0.491 -1.164 0.902
H8 -0.491 -1.164 -0.902
H9 0.491 1.164 0.902
H10 0.491 1.164 -0.902

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.54702.80771.92253.82102.48962.19312.19311.09911.0991
C21.54701.92252.80772.48963.82101.09911.09912.19312.1931
S32.80771.92254.55691.38955.29652.50052.50052.99192.9919
S41.92252.80774.55695.29651.38952.99192.99192.50052.5005
H53.82102.48961.38955.29656.26122.72412.72414.12334.1233
H62.48963.82105.29651.38956.26124.12334.12332.72412.7241
H72.19311.09912.50052.99192.72414.12331.80452.52713.1052
H82.19311.09912.50052.99192.72414.12331.80453.10522.5271
H91.09912.19312.99192.50054.12332.72412.52713.10521.8045
H101.09912.19312.99192.50054.12332.72413.10522.52711.8045

picture of 1,2-Ethanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 107.553 C1 C2 H7 110.815
C1 C2 H8 110.815 C1 S4 H6 96.141
C2 C1 S4 107.553 C2 C1 H9 110.815
C2 C1 H10 110.815 C2 S3 H5 96.141
S3 C2 H7 108.606 S3 C2 H8 108.606
S4 C1 H9 108.606 S4 C1 H10 108.606
H7 C2 H8 110.349 H9 C1 H10 110.349
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability