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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: CCSD(T)/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CCSD(T)/cc-pVQZ
 hartrees
Energy at 0K-835.954940
Energy at 298.15K 
HF Energy-835.311158
Nuclear repulsion energy142.076102
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 CCSD(T)/cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/cc-pVQZ
ABC
0.88343 0.10659 0.09950

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVQZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.785
S2 0.000 1.537 -0.180
S3 0.000 -1.537 -0.180
H4 0.880 -0.053 1.423
H5 -0.880 0.053 1.423
H6 1.090 1.248 -0.905
H7 -1.090 -1.248 -0.905

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81461.81461.08821.08822.36662.3666
S21.81463.07392.42282.35451.34053.0774
S31.81463.07392.35452.42283.07741.3405
H41.08822.42282.35451.76372.67473.2750
H51.08822.35452.42281.76373.27502.6747
H62.36661.34053.07742.67473.27503.3137
H72.36663.07741.34053.27502.67473.3137

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.034 C1 S3 H7 96.034
S2 C1 S3 115.775 S2 C1 H4 110.655
S2 C1 H5 105.673 S3 C1 H4 105.673
S3 C1 H5 110.655 H4 C1 H5 108.269
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability