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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: CCSD=FULL/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-836.209745
Energy at 298.15K 
HF Energy-835.290155
Nuclear repulsion energy142.533804
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/6-311+G(3df,2p)
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 3114 3114 6.10      
2 A 2726 2726 0.05      
3 A 1488 1488 1.34      
4 A 1233 1233 0.47      
5 A 931 931 3.79      
6 A 663 663 2.19      
7 A 299 299 7.49      
8 A 226 226 4.14      
9 B 3168 3168 1.44      
10 B 2725 2725 0.13      
11 B 1292 1292 20.23      
12 B 1032 1032 18.57      
13 B 806 806 15.90      
14 B 728 728 0.47      
15 B 244 244 29.55      

Unscaled Zero Point Vibrational Energy (zpe) 10337.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10337.2 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/6-311+G(3df,2p)
ABC
0.89587 0.10700 0.10006

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-311+G(3df,2p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.776
S2 0.000 1.533 -0.179
S3 0.000 -1.533 -0.179
H4 0.877 -0.052 1.415
H5 -0.877 0.052 1.415
H6 1.103 1.267 -0.885
H7 -1.103 -1.267 -0.885

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.80601.80601.08631.08632.36262.3626
S21.80603.06642.41312.34561.33673.0916
S31.80603.06642.34562.41313.09161.3367
H41.08632.41312.34561.75622.66203.2692
H51.08632.34562.41311.75623.26922.6620
H62.36261.33673.09162.66203.26923.3598
H72.36263.09161.33673.26922.66203.3598

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.348 C1 S3 H7 96.348
S2 C1 S3 116.196 S2 C1 H4 110.612
S2 C1 H5 105.674 S3 C1 H4 105.674
S3 C1 H5 110.612 H4 C1 H5 107.872
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability