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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: CCSD(T)/daug-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(T)/daug-cc-pVDZ
 hartrees
Energy at 0K-835.768642
Energy at 298.15K 
HF Energy-835.260542
Nuclear repulsion energy140.162873
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)/daug-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 3069 3069        
2 A 2684 2684        
3 A 1433 1433        
4 A 1194 1194        
5 A 892 892        
6 A 632 632        
7 A 289 289        
8 A 215 215        
9 B 3132 3132        
10 B 2683 2683        
11 B 1242 1242        
12 B 994 994        
13 B 757 757        
14 B 706 706        
15 B 230 230        

Unscaled Zero Point Vibrational Energy (zpe) 10075.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10075.5 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(T)/daug-cc-pVDZ
ABC
0.86092 0.10362 0.09682

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.795
S2 0.000 1.558 -0.183
S3 0.000 -1.558 -0.183
H4 0.893 -0.053 1.439
H5 -0.893 0.053 1.439
H6 1.118 1.272 -0.896
H7 -1.118 -1.272 -0.896

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83991.83991.10201.10202.39322.3932
S21.83993.11682.45422.38631.35653.1257
S31.83993.11682.38632.45423.12571.3565
H41.10202.45422.38631.78892.69363.3138
H51.10202.38632.45421.78893.31382.6936
H62.39321.35653.12572.69363.31383.3873
H72.39323.12571.35653.31382.69363.3873

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 95.771 C1 S3 H7 95.771
S2 C1 S3 115.771 S2 C1 H4 110.549
S2 C1 H5 105.665 S3 C1 H4 105.665
S3 C1 H5 110.549 H4 C1 H5 108.523
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability