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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: CID/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 CID/cc-pVTZ
 hartrees
Energy at 0K-835.792773
Energy at 298.15K 
HF Energy-835.299682
Nuclear repulsion energy142.563166
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 CID/cc-pVTZ
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 3189 2954 7.25      
2 A 2818 2611 0.09      
3 A 1518 1406 1.05      
4 A 1259 1167 0.40      
5 A 947 878 3.85      
6 A 677 627 3.16      
7 A 304 282 10.47      
8 A 230 213 5.09      
9 B 3247 3008 1.11      
10 B 2817 2610 0.31      
11 B 1322 1225 22.33      
12 B 1053 976 18.54      
13 B 825 764 16.93      
14 B 743 688 0.36      
15 B 249 231 34.88      

Unscaled Zero Point Vibrational Energy (zpe) 10598.9 cm-1
Scaled (by 0.9265) Zero Point Vibrational Energy (zpe) 9819.9 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 CID/cc-pVTZ
ABC
0.89773 0.10689 0.09991

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.777
S2 0.000 1.534 -0.178
S3 0.000 -1.534 -0.178
H4 0.872 -0.051 1.412
H5 -0.872 0.051 1.412
H6 1.089 1.271 -0.896
H7 -1.089 -1.271 -0.896

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.80741.80741.08021.08022.36642.3664
S21.80743.06852.40912.34321.33063.0934
S31.80743.06852.34322.40913.09341.3306
H41.08022.40912.34321.74762.66873.2653
H51.08022.34322.40911.74763.26532.6687
H62.36641.33063.09342.66873.26533.3470
H72.36643.09341.33063.26532.66873.3470

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.719 C1 S3 H7 96.719
S2 C1 S3 116.182 S2 C1 H4 110.541
S2 C1 H5 105.704 S3 C1 H4 105.704
S3 C1 H5 110.541 H4 C1 H5 107.979
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability