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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: CCSD/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-835.892078
Energy at 298.15K 
HF Energy-835.301219
Nuclear repulsion energy141.906653
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/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD/daug-cc-pVTZ
ABC
0.88376 0.10618 0.09920

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/daug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.784
S2 0.000 1.539 -0.180
S3 0.000 -1.539 -0.180
H4 0.880 -0.051 1.421
H5 -0.880 0.051 1.421
H6 1.100 1.263 -0.895
H7 -1.100 -1.263 -0.895

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81661.81661.08711.08712.37132.3713
S21.81663.07902.42192.35671.34043.0940
S31.81663.07902.35672.42193.09401.3404
H41.08712.42192.35671.76262.67123.2787
H51.08712.35672.42191.76263.27872.6712
H62.37131.34043.09402.67123.27873.3489
H72.37133.09401.34043.27872.67123.3489

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.206 C1 S3 H7 96.206
S2 C1 S3 115.869 S2 C1 H4 110.505
S2 C1 H5 105.746 S3 C1 H4 105.746
S3 C1 H5 110.505 H4 C1 H5 108.324
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability