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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: CCSD=FULL/aug-cc-pVDZ

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=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-835.765990
Energy at 298.15K 
HF Energy-835.260317
Nuclear repulsion energy140.736696
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=FULL/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 A 3098 3098 8.57      
2 A 2716 2716 0.33      
3 A 1449 1449 0.41      
4 A 1205 1205 0.52      
5 A 907 907 3.94      
6 A 645 645 3.05      
7 A 293 293 7.70      
8 A 226 226 3.45      
9 B 3160 3160 1.76      
10 B 2716 2716 1.32      
11 B 1264 1264 24.74      
12 B 1006 1006 16.51      
13 B 779 779 19.36      
14 B 717 717 0.49      
15 B 229 229 32.15      

Unscaled Zero Point Vibrational Energy (zpe) 10205.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10205.0 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 CCSD=FULL/aug-cc-pVDZ
ABC
0.86605 0.10461 0.09766

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.793
S2 0.000 1.551 -0.182
S3 0.000 -1.551 -0.182
H4 0.890 -0.052 1.436
H5 -0.890 0.052 1.436
H6 1.103 1.263 -0.910
H7 -1.103 -1.263 -0.910

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83201.83201.09941.09942.38952.3895
S21.83203.10252.44532.37861.35253.1088
S31.83203.10252.37862.44533.10881.3525
H41.09942.44532.37861.78302.69773.3076
H51.09942.37862.44531.78303.30762.6977
H62.38951.35253.10882.69773.30763.3527
H72.38953.10881.35253.30762.69773.3527

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.072 C1 S3 H7 96.072
S2 C1 S3 115.726 S2 C1 H4 110.565
S2 C1 H5 105.741 S3 C1 H4 105.741
S3 C1 H5 110.565 H4 C1 H5 108.370
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability