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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: CCSD=FULL/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/cc-pVDZ
 hartrees
Energy at 0K-835.728378
Energy at 298.15K 
HF Energy-835.252023
Nuclear repulsion energy140.788733
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/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 3111 3111 12.89      
2 A 2745 2745 2.64      
3 A 1459 1459 0.41      
4 A 1210 1210 0.63      
5 A 914 914 3.67      
6 A 648 648 2.71      
7 A 301 301 13.30      
8 A 233 233 5.20      
9 B 3174 3174 2.08      
10 B 2744 2744 5.32      
11 B 1271 1271 25.11      
12 B 1018 1018 17.82      
13 B 789 789 19.44      
14 B 719 719 0.68      
15 B 261 261 38.01      

Unscaled Zero Point Vibrational Energy (zpe) 10298.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10298.2 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/cc-pVDZ
ABC
0.87599 0.10430 0.09756

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.784
S2 0.000 1.553 -0.181
S3 0.000 -1.553 -0.181
H4 0.888 -0.056 1.433
H5 -0.888 0.056 1.433
H6 1.113 1.271 -0.892
H7 -1.113 -1.271 -0.892

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82881.82881.10151.10152.37972.3797
S21.82883.10662.44622.37431.35053.1176
S31.82883.10662.37432.44623.11761.3505
H41.10152.44622.37431.78032.68613.2996
H51.10152.37432.44621.78033.29962.6861
H62.37971.35053.11762.68613.29963.3785
H72.37973.11761.35053.29962.68613.3785

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 95.744 C1 S3 H7 95.744
S2 C1 S3 116.281 S2 C1 H4 110.725
S2 C1 H5 105.540 S3 C1 H4 105.540
S3 C1 H5 110.725 H4 C1 H5 107.827
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability